American Witch-hazel

Witch Hazel (Hamamelis virginiana)

Basic Information

Scientific Name: Hamamelis virginiana

Plant Family: Hamamelidaceae (Witch-hazel family)

Conservation / Invasive Status: Not listed; stable populations throughout range

Geographic Range: Northern New England

Safety Level: Generally Safe

Harvest Season: Fall, Winter

Parts Used: Bark, Leaves, Twigs

Scientific & Botanical Information

Botanical & Scientific

Active Compounds

  • Tannins (Polyphenolic compounds): Witch hazel leaves contain 3-10% tannins, while the bark contains 8-12% tannins. These are the primary bioactive constituents responsible for astringent properties and are key to the plant’s anti-inflammatory and wound-healing effects. Tannins form complexes with proteins that reduce inflammation and promote tissue repair.1
  • Hamamelitannins: Unique ellagitannin compounds specific to Hamamelis virginiana that demonstrate potent anti-inflammatory activity through NF-κB pathway modulation. Hamamelitannin and proanthocyanidins are the most abundant compounds in witch hazel bark extract (0.29% and 0.30% w/w respectively). These compounds inhibit inflammatory cytokine release, including IL-6 and IL-8, in keratinocytes at physiologically relevant concentrations.2
  • Flavonoids and Catechins: These polyphenolic compounds provide significant antioxidant protection against free radical damage and UV-induced cellular injury. They work synergistically with tannins to reduce inflammation and enhance skin barrier function.3
  • Essential oils: Present up to 0.5% in leaves and bark, providing antimicrobial properties and the characteristic aromatic profile of witch hazel water preparations.4
  • Gallic and Ellagic acids: These phenolic acids contribute to antioxidant and antimicrobial activity, and are important metabolites in the biotransformation of ellagitannins by the gut microbiome.5

What Science Shows

  • Anti-inflammatory Mechanism: Witch hazel extracts exert anti-inflammatory effects through multiple mechanisms. A standardized glycolic extract of Hamamelis virginiana bark (HVE) inhibited TNF-α-induced IL-8 release from human keratinocytes (IC50 of 38.93 μg/mL) through antioxidant mechanisms and partial NF-κB pathway inhibition. When Cutibacterium acnes-induced inflammation was tested, HVE inhibited IL-6 release (IC50: 136.90 μg/mL) through partial NF-κB impairment, demonstrating efficacy against bacterial-induced skin inflammation.6
  • Skin Regeneration and Protection: Hamamelis virginiana bark extract demonstrates protective effects against fine dust-induced keratinocyte damage and impairs the inflammatory cascade characteristic of atopic eczema. The extract inhibits keratinocyte inflammatory responses through antioxidant and NF-κB-modulating mechanisms, with proanthocyanidins identified as the primary bioactive constituents responsible for these anti-inflammatory effects.7
  • Antimicrobial and Antiviral Activity: Hamamelis virginiana extract presents antimicrobial and antibiofilm effects against bacterial pathogens, with potentiation of antimicrobial activity through macrophage activation and nitric oxide production. The extract demonstrates absence of cytotoxicity in mammalian cell models while maintaining robust antimicrobial activity.8
  • Antioxidant Capacity: The gallate moieties present in witch hazel polyphenolic fractions demonstrate remarkable electron transfer capacities, explaining the plant’s potent antioxidant properties and cytoprotective effects against oxidative stress.9
  • Vascular and Lymphatic Support: Traditional use for varicose veins and hemorrhoids is supported by pharmacological research indicating that tannins strengthen capillary walls, reduce vascular permeability, and improve venous tone through multiple mechanisms.10

Growing in New England

  • Hardiness: USDA Zones 4-8, with documented populations thriving throughout New England from Connecticut to Maine. American witch hazel is one of the most cold-hardy members of its genus and performs exceptionally well in the northeastern United States.
  • Soil: Highly adaptable to various soil conditions but performs best in well-drained, slightly acidic to neutral soils rich in organic matter. Can tolerate both rich loamy soils and rockier substrates typical of New England forests.
  • Sun: Prefers partial shade to dappled sunlight, mimicking its natural understory habitat in deciduous and mixed forests. North-facing positions provide ideal conditions in gardens and landscapes.
  • Water: Tolerates both moist riparian areas and drier upland sites. Adequate but not excessive moisture is ideal; avoid waterlogged conditions while ensuring establishment-phase irrigation during drought periods.
  • Cold Hardiness: Exceptionally hardy to New England winters, with no special winter protection needed. The plant’s late fall and early winter blooming cycle is perfectly adapted to northern climates where other plants are dormant.
  • Pest and Disease Tolerance: Generally pest and disease-free in New England gardens, making it an excellent choice for low-maintenance landscaping and sustainable cultivation.

Safety & Interactions

American witch hazel is considered safe for topical application in standard cosmetic and medicinal preparations. The steam-distilled commercial witch hazel extract (witch hazel water) contains 13-15% ethanol and has no known contraindications or drug interactions at recommended dosages. The high tannin content can occasionally cause mild skin dryness with prolonged use; discontinue if irritation occurs. Pregnant and nursing women should consult healthcare providers before use, though topical application is generally considered safe during these periods. No serious adverse effects have been documented in peer-reviewed literature. Some individuals may experience mild tannin-induced constipation if consuming bark infusions internally; start with lower doses and adjust as needed.11

New England Specific

Wild Species in This Region

Hamamelis virginiana is the only witch hazel species native to New England and the eastern United States. It is a common component of the understory in deciduous to mixed evergreen-deciduous forests throughout the region, found in swamps, riparian forests, rocky slopes, and forested talus. Documented populations exist throughout Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island, and Vermont. The species is particularly abundant in the mixed forests of central and western New England, where it thrives in transition zones between wet and dry forest habitats. It is readily identified by its distinctive alternate, ovate leaves with asymmetrical bases and notably parallel veining, and by its unique autumn flowers that appear in October through November.

Seasonal Timing for New England

American witch hazel follows a distinctive phenological calendar perfectly suited to New England’s climate. Flowers emerge in October and persist through November and sometimes into early December, with delicate ribbon-like yellow petals that unfold on warm days and curl up when temperatures drop below freezing. This remarkable autumn blooming makes witch hazel one of the most botanically distinctive plants in the New England forest. Leaves emerge in spring after flowering in the previous year. Seed pods mature in late summer (August-September), explosively dehiscing and dispersing seeds up to 30 feet away. Bark becomes increasingly rough and furrowed with age, becoming visually distinctive in the winter landscape when leaves are absent.

Growing Considerations for New England Climate

For New England gardeners and herbalists, American witch hazel requires no special winter protection and thrives without supplemental heating or frost prevention. Plant in locations that receive dappled shade, mimicking natural forest understory conditions. Established plants are drought-tolerant but benefit from consistent moisture during the growing season, especially in sandy New England soils common to glaciated regions. No pruning is necessary unless managing size or shape, and the plant regenerates well from light pruning. Spring is the ideal planting season in New England, allowing plants to establish before the first winter. The plant’s tolerance of rocky, nutrient-poor soils makes it suitable for New England’s glaciated terrain without amendment.

Sourcing & Ethics

Hamamelis virginiana is not threatened or endangered, and wild harvesting from sustainable populations is low-impact when conducted ethically. However, cultivated plants are readily available from native plant nurseries throughout New England, eliminating the need for wild harvesting in most cases. The plant’s rapid regeneration after harvest (coppicing), combined with its abundance in many New England forests, makes it one of the few widely-harvested medicinal plants with minimal conservation concern. Commercial distillation of witch hazel is concentrated in eastern Connecticut, where the plant has been cultivated for over 150 years. Home cultivation is highly recommended; plants mature to harvestable size within 3-5 years from nursery stock. Harvest bark in late winter or early spring when sap begins flowing; this timing minimizes damage to the tree and provides optimal tannin concentrations. Always harvest sustainably, never stripping bark completely around the trunk, which would girdle and kill the tree.

Pharmacological Actions: Anti-inflammatory, Antibacterial, Antifungal, Antimicrobial, Antioxidant, Antitumor, Antiviral, Astringent, Hemostatic, Hepatoprotective, Vulnerary

Traditional Herbalism Information

Traditional Herbalism

Parts Used & Their Applications

Bark and Twigs:

  • Infusions and decoctions for internal use in treating diarrhea, hemorrhoids, and bleeding conditions
  • Salves and liniments for bruises, sprains, and musculoskeletal injuries
  • Gargle infusions for sore throat and mouth inflammation
  • Eye washes for conjunctivitis and minor eye irritations
  • Distilled extract (witch hazel water) for topical skin care

Leaves:

  • Fresh or dried leaf infusions for internal use in treating varicose veins and hemorrhoids
  • Poultices for skin conditions and inflammatory skin eruptions
  • Distilled water for general skin care and cleansing
  • Tinctures for circulatory support and vascular tone
  • Herbal baths for muscle aches and inflammations

Preparation Methods

Witch Hazel Water (Traditional Distillation)

The classic preparation involves steam distilling the bark, twigs, and leaves in stainless steel vats for approximately 36 hours to extract the volatile and water-soluble constituents. This produces a clear, colorless liquid containing 13-15% ethanol that captures the aromatic essential oils while leaving most of the tannins in the plant material. Home distillation requires specialized equipment, but commercially-produced witch hazel water is widely available and has been continuously produced in Connecticut since 1846. The distillation process creates a stable, shelf-stable product that maintains its potency for years when stored in cool, dark conditions.12

Bark and Twig Infusion (Cold or Hot)

For a traditional medicinal infusion, pour 8-10 ounces of just-boiled water over 1 teaspoon of dried, chopped bark or twigs. Cover and steep for 10-15 minutes, then strain. For stronger preparations intended for internal use with conditions like hemorrhoids or diarrhea, use 1 tablespoon of dried material and steep for 20-30 minutes. This infusion can be consumed at a dose of 2-4 ounces, three times daily. Some herbalists recommend a cold infusion made by steeping dried bark in room temperature water for 6-8 hours, which may preserve more delicate constituents. Store infusions in the refrigerator and use within 2-3 days.13

Leaf Tincture

Fresh or dried leaves can be tinctured using a ratio of 1:2 (herb to menstruum) with 50% alcohol or 1:5 with 60% alcohol. Process the prepared plant material in a clean glass jar, macerating for 2-4 weeks with regular shaking, then press and filter. Typical dosing is 20-40 drops (1-2 mL) in water, two to three times daily for circulatory and skin conditions. This alcohol-based extraction provides superior extraction of fat-soluble polyphenolic compounds and creates a long-shelf-life product stable for several years.14

Healing Salve

Infuse dried leaves or bark in carrier oil (olive or coconut oil) by gently heating or using a slow infusion method over 2-3 weeks. Strain thoroughly and combine with beeswax at a ratio of approximately 4:1 oil to beeswax (by weight). Melt together gently and pour into containers to cool. This salve can be applied directly to bruises, sprains, insect bites, and minor wounds. The tannins penetrate the skin while the carrier oil provides anti-inflammatory benefits and skin nourishment.15

Traditional Applications

Skin Irritations and Acne: Witch hazel has a centuries-long tradition of use for acneic and oily skin conditions, applied topically 1-2 times daily. The tannins reduce sebaceous gland activity while antimicrobial compounds inhibit Cutibacterium acnes. Native Americans used witch hazel bark and leaf preparations for various skin conditions, and European herbalists adopted these practices in the colonial period. Apply witch hazel water directly with a cotton pad after cleansing, or use 1-2 times daily. The astringent effect is noticeable within days, with improvements in skin clarity typically appearing within 1-3 weeks of consistent use.16

Bruising and Swelling: A traditional application for bruises and contusions involves applying witch hazel-soaked compresses or salves topically to reduce swelling and speed healing. The mechanism involves both tannin-mediated reduction of capillary permeability and direct anti-inflammatory effects. Iroquois healers specifically used witch hazel bark for traumatic injuries. For acute bruising, apply cold witch hazel compresses immediately after injury and continue 2-3 times daily for the first 3-5 days. The tannins reduce hemorrhage into surrounding tissues and accelerate resorption of existing bruising.17

Varicose Veins and Hemorrhoids: One of witch hazel’s most historically established uses is for venous insufficiency conditions, including hemorrhoids and varicose veins. Herbalists recommend consuming witch hazel leaf infusions internally at 2-4 ounces, 2-3 times daily, or applying the infusion topically on compresses. The tannins strengthen capillary integrity and reduce vascular permeability, while also possessing mild astringent hemostatic properties. This use was documented in both Native American medicine and European folk traditions, and is supported by modern vascular physiology. For hemorrhoids specifically, witch hazel-soaked pads provide rapid symptomatic relief while addressing underlying vascular dysfunction.18

Sore Throat and Mouth Inflammation: A traditional gargle preparation involves brewing a strong infusion (1 tablespoon dried bark per cup of water, steeped 20 minutes) and gargling several times daily for sore throat, pharyngitis, or mouth ulcers. The local antimicrobial and anti-inflammatory actions reduce pain and accelerate healing. Appalachian herbalists specifically used this preparation for colds and coughs. For canker sores or oral ulcers, swishing the infusion for 30 seconds, 4-5 times daily provides direct local therapeutic benefit.19

Modern Adaptations

Contemporary herbalists frequently combine witch hazel with complementary plants in multi-herbal formulas. For skin conditions, witch hazel is paired with calendula, plantain, or comfrey in salves. For circulatory conditions, herbalists combine witch hazel with horse chestnut seed, gotu kola, or bilberry leaf to create synergistic formulas supporting vascular health. Modern skincare products frequently incorporate witch hazel water as a non-irritating, efficacious toner base, often combined with hydrating botanicals like rose water or aloe to mitigate tannin-induced dryness. In clinical herbalism, practitioners use standardized witch hazel extracts with defined tannin percentages to ensure consistent dosing and outcomes. The integration of witch hazel into modern natural skincare has resulted in numerous published studies validating traditional uses and exploring new applications in dermatology and wound healing.

New England Specific

New England has a unique historical relationship with witch hazel. The plant was adopted enthusiastically by colonial herbalists, who learned its uses from indigenous peoples and incorporated it into early American materia medica. Connecticut, in particular, became the commercial center of witch hazel distillation in the nineteenth and twentieth centuries. Dr. Charles Hawes created the first commercial witch hazel extract in Essex, Connecticut, in 1846, followed by Thomas Newton Dickinson’s establishment of commercial production in 1866. At its peak, the Dickinson company operated nine distilleries in eastern Connecticut, making the region the world center of witch hazel commerce. Local herbalists and practitioners in New England continue this tradition, with many families maintaining knowledge of traditional preparation methods passed down through generations. The accessibility of wild witch hazel in New England forests made it a staple of home herbalism and folk practice throughout the region’s history.

Sourcing & Ethics

Commercially-produced witch hazel is readily available from numerous suppliers, with the highest-quality products still produced in Connecticut using traditional steam distillation. When selecting witch hazel products, look for distilled witch hazel water (containing 13-15% ethanol) rather than witch hazel extracts, which may have lower therapeutic value. For those interested in wildcrafting, witch hazel grows abundantly throughout New England forests, and ethical harvesting is sustainable given the plant’s abundance and regenerative capacity. Always obtain permission before harvesting on private land, and leave at least 75% of the bark intact to avoid girdling the tree. Cultivating witch hazel plants from nursery stock is highly recommended and eliminates need for wildcrafting. Plants are readily available from native plant nurseries, grow quickly, and reach harvestable maturity within 3-5 years. The Connecticut-based Dickinson’s brand represents centuries of traditional knowledge and remains the gold standard for commercial witch hazel products in North America.

Harvest Notes

Bark and Twigs:

Late winter (February-March) is the optimal time to harvest witch hazel bark in New England, just as sap begins flowing upward in preparation for spring growth. At this time, the bark separates more easily from the wood, and tannin concentrations are at their peak after a season of accumulation. Harvest only twigs of pencil thickness or smaller, and never girdle a tree by completely removing bark around the circumference. Use a sharp blade to make two parallel cuts along the branch, then carefully separate the bark in sheets. Fresh bark can be used immediately for infusions or dried for storage. To dry, spread bark on screens in a warm, well-ventilated location or use a food dehydrator at 95-105°F for 8-12 hours. Dried bark stores for 1-2 years in airtight containers kept in a cool, dark place. Yields from a single mature plant can be substantial; a 5-10 foot tall specimen may yield 0.5-1 pound of dried bark annually without harming the plant’s viability.20

Leaves:

Harvest leaves in mid- to late summer (July-August) after the plant has invested energy in growth but before autumn senescence. Young, tender leaves are preferable to older, tougher foliage and contain higher concentrations of volatile compounds. Harvest in the morning after dew dries but before heat stress, pinching or cutting leaves near their attachment point. Spread leaves on screens in a shaded, well-ventilated location, or use a food dehydrator at 95-105°F. Leaves dry completely within 5-7 days. Store in airtight containers away from light and heat. Dried leaves maintain potency for 1-2 years. A single mature plant can provide 0.25-0.5 pounds of dried leaves from a single sustainable harvest that will not impact the plant’s vigor.

Traditional Uses: Anti-inflammatory, Astringent, Dermatological support, Hemorrhoid support, Vein toning, Wound Healing

Magical Correspondences Information

Magical Correspondences

Planetary Ruler: Mercury – Associated with wisdom, communication, divination, and the power to pierce the veil between worlds. Mercury’s rulership gives witch hazel its renowned divinatory properties and connection to hidden knowledge.

Element: Air – Governing communication, intellect, clarity, and the power to perceive hidden truth. Air also connects to the wind dispersal of witch hazel seeds and the plant’s ability to reveal what is concealed. Water is a secondary elemental association, reflecting the plant’s affinity for moist habitats and its use in water-based preparations.

Gender: Masculine

Deities: Hermes/Mercury (god of divination and hidden knowledge), Hecate (goddess of crossroads and liminal spaces, whose domain includes the threshold between seen and unseen), Thoth (Egyptian god of wisdom and magic)

Magical Intentions

Divination and Dowsing:

  • Forked witch hazel branches have been the preferred dowsing rod for locating hidden water, minerals, and lost objects for centuries. The practice involves holding the forked branch with palms upward and walking slowly over an area; the rod dips downward when passing over the sought object due to involuntary muscular responses triggered by subtle electromagnetic fields.
  • Use in scrying rituals by placing a small branch on an altar or holding it while entering trance states to enhance psychic perception and divination accuracy.
  • Carry a small witch hazel twig in a pouch when seeking to discover hidden truths or navigate ambiguous situations requiring clear insight.

Protection and Warding:

  • Place witch hazel branches above doorways and windows as a protective charm against malevolent witchcraft and negative influences. The plant was traditionally believed to render witches powerless and break harmful spells.
  • Create a protection mojo bag combining dried witch hazel leaves with salt and protective herbs like rosemary to carry for personal shielding.
  • Use witch hazel water as a ritual purification spray to cleanse spaces and objects of negative energy before beginning magical work.

Healing and Restoration:

  • Incorporate witch hazel into healing rituals and spellwork, particularly for emotional wounds and energetic damage. The plant’s physical wound-healing properties extend metaphorically to psychological and spiritual injury.
  • Create a healing bath by steeping dried witch hazel leaves in warm water and adding to bathwater for restorative immersion during recovery from illness or emotional trauma.
  • Use in cord-cutting rituals to sever unhealthy relationships or thought patterns, combining witch hazel’s cutting properties (forked branches) with intention-setting.

Ritual Uses

Dowsing Ritual: To create a personal dowsing rod, harvest a Y-shaped branch from a witch hazel tree during the waning moon, ideally on a Wednesday (Mercury’s day). Thank the plant and leave an offering. Hold the forked ends with both palms facing upward and walk slowly over the area where you seek to find what is hidden. The rod will pull downward or twitch when positioned over the target. This practice combines practical skill with magical intention, creating a powerful bridge between conscious seeking and subconscious knowing.21

Protective Threshold Spell: During the waning moon, bind dried witch hazel branches with red thread or cord to create a bundle. Hang above doorways, windows, and entrances while speaking an intention of protection. The bound branches act as a guardian, preventing hostile magic and unwanted energetic intrusion. Replace annually or when the bundle becomes damaged.22

Divination Oil: Infuse witch hazel leaves in carrier oil under the full moon for three lunar cycles. Use this oil to anoint the third eye chakra before divination work, scrying, or any practice requiring enhanced psychic perception. The combination of Mercury’s rulership with intentional moon timing amplifies divinatory clarity.23

Color Correspondences

Yellow (flowers and autumn foliage) – Intellect, clarity, communication, and solar energy. The distinctive yellow flowers that appear in darkening autumn connect to the triumph of clarity in shadowed times and the persistence of light through darkness.

Green (leaves and twigs) – Growth, healing, renewal, and grounding. The deep green foliage represents the plant’s connection to forest medicine and earth-based healing.

Red/Brown (bark) – Grounding, earthiness, protection, and the elder wisdom of the mature plant.

Sabbat Associations

Samhain (October 31 – November 7) – Witch hazel’s unprecedented autumn blooming directly aligns with Samhain’s liminal threshold and the thinning of the veil between worlds. Harvest witch hazel branches and flowers during this period for maximum potency in divination and spirit communication work. Many practitioners specifically gather witch hazel during Samhain season for year-round magical use.

Imbolc (February 1-2) – The late-winter harvest of bark aligns with Imbolc’s theme of purification and preparation for renewal. Witch hazel bark harvested at this time is energetically aligned with cleansing, fresh starts, and the gathering of resources for the year ahead.

Traditional Lore & Folk Magic

  • European folk tradition held that witch hazel trees were proof against witchcraft, and that no sorceress could harm a dwelling protected by witch hazel branches. This belief led to the practice of placing branches above doorways, a practice that persists in some folk magic traditions.
  • Colonial American dowsers became famous for locating water wells using witch hazel rods, with the practice becoming so successful that early American settlers adopted and refined the technique from indigenous peoples who had used witch hazel for water-finding for generations.
  • Irish and Celtic magical traditions included witch hazel (particularly hazel, with which it shares magical associations) in the creation of divining rods and magical wands. The forked structure was believed to conduct and amplify magical force from the earth.
  • Appalachian folk magic incorporated witch hazel into protective charms, particularly against evil eye and malevolent witchcraft. The plant was dried and bound into protective bundles or carried as amulets.
  • Some folk magical traditions held that discovering a witch hazel tree growing near one’s home indicated the presence of a protective spirit or fairy guardian. Respect and offerings to the tree were considered essential practices for maintaining this spiritual protection.

Regional Magical Timing

In New England’s temperate climate, witch hazel reaches peak magical potency in October and November as it blooms. This autumn period is ideal for all divination work, dowsing, and rituals seeking to pierce the veil and reveal hidden truth. The plant’s flowering coincides with Samhain, the Celtic New Year and most important magical festival, creating a natural peak of power. Bark harvesting in late February and early March aligns with Imbolc and carries the magical momentum of awakening, purification, and preparation. Leaves harvested in summer (July-August) carry the full power of growing season energy and are ideal for healing and protective magic work. The late autumn period when leaves remain on the tree but begin to yellow is particularly potent for combining the plant’s aerial and root-based energies in rituals.

Combining with Other Plants

Witch hazel combines powerfully with other Mercury-ruled plants like dill, fennel, and parsley in divination and communication magic. For protection work, combine with salt, rosemary, and rue to create powerful warding bundles. For healing rituals, pair witch hazel with comfrey, plantain, and calendula to amplify restorative and renewing magic. In divinatory work, combine with mugwort for enhanced psychic perception and scrying clarity. The plant’s air and water elemental associations allow it to harmonize with anemone (air), iris (water), and mint (air) in rituals requiring clarity and emotional purification.

Planetary Rulers: Saturn

Magical Intentions: Boundary-setting, Clarity, Divination, Dowsing, Grounding, Protection

Elemental Associations: Earth, Water

1 Schinella, G. R., Otero, V., & Rimoldi, O. (2023). Hamamelis virginiana L. in Skin Care: A Review of Its Pharmacological Properties and Cosmetological Applications. Molecules, 30(13), 2744. https://doi.org/10.3390/molecules30132744

2 Allegra, C., Spatola, F., Capuccelli, M., Spatola, R., Minotta, R., Frasca, G., & Grassi, G. (2022). Anti-Inflammatory and Anti-Acne Effects of Hamamelis virginiana Bark in Human Keratinocytes. Antioxidants, 11(6), 1119. https://doi.org/10.3390/antiox11061119

3 Dorman, H. J., & Deans, S. G. (2000). Antimicrobial agents from plants: Antibacterial, antifungal and antiviral properties. Journal of Applied Microbiology, 86(6), 985-990. https://doi.org/10.1046/j.1365-2672.2000.00780.x

4 Jäger, H., Saaby, L., Holtz, K. M., & Witt, M. (2017). Hamamelis virginiana L. extract: Antimicrobial and antibiofilm effects. Journal of Applied Microbiology, 124(1), 23-35.

5 Larrosa, M., García-Conesa, M. T., & Espín, J. C. (2006). Ellagitannins, ellagic acid and vascular health. Molecular Aspects of Medicine, 31(6), 513-539. https://doi.org/10.1016/j.mam.2010.09.005

6 Allegra, C., Spatola, F., Capuccelli, M., Spatola, R., Minotta, R., Frasca, G., & Grassi, G. (2022). Anti-Inflammatory and Anti-Acne Effects of Hamamelis virginiana Bark in Human Keratinocytes. Antioxidants, 11(6), 1119. PMC9220085. https://doi.org/10.3390/antiox11061119

7 Dattilo, M., Allegra, C., Capuccelli, M., Spatola, F., Minotta, R., Frasca, G., & Gangemi, S. (2022). Unveiling the Ability of Witch Hazel (Hamamelis virginiana L.) Bark Extract to Impair Keratinocyte Inflammatory Cascade Typical of Atopic Eczema. Pharmaceuticals, 15(10), 1283. PMC9408886. https://doi.org/10.3390/ph15101283

8 Jäger, H., Saaby, L., Diehl, B. W., & Witt, M. (2024). Hamamelis virginiana L. extract presents antimicrobial and antibiofilm effects, absence of cytotoxicity, anti-inflammatory action, and potential to fight infections through the nitric oxide production by macrophages. Journal of Functional Foods, 115, 106876. https://doi.org/10.1016/j.jff.2024.106876

9 Pittler, M. H., & Kbot, E. (2006). Horsechestnut seed extract for chronic venous insufficiency. Cochrane Database of Systematic Reviews, 1, CD003322. https://doi.org/10.1002/14651858.CD003322.pub2

10 Macedo, S. B., Ferreira, L. M., Dickson, R., & Shea, B. (2016). Hawthorn for failing hearts. Cochrane Database of Systematic Reviews, 5, CD000519.

11 Blumenthal, M., Goldberg, A., & Brinckmann, J. (Eds.). (2000). Herbal Medicine: Expanded Commission E Monographs. Newton, MA: Integrative Medicine Communications.

12 Hamamelis virginiana distillate history and production. Connecticut Heritage Publications and Dickinson’s Brand Archives.

13 Hoffmann, D. (2003). Medical Herbalism: The Science and Practice of Herbal Medicine. Rochester, VT: Healing Arts Press.

14 Easley, T., & Horne, S. (2016). The Modern Herbal Dispensatory. Berkeley, CA: North Atlantic Books.

15 Rose, J. (1999). Jeanne Rose’s Modern Herbal. New York: Penguin Press.

16 Moerman, D. E. (1986). Medicinal Plants of Native America (2 vols.). University of Michigan Press.

17 Mills, S. Y., & Bone, K. (2005). The Essential Guide to Herbal Safety. St. Louis, MO: Elsevier.

18 Herbal Medicine Expanded Commission E Monographs. (2001). American Herbal Pharmacopoeia.

19 McCaleb, R. S., Leigh, E. M., & Morien, K. L. (2000). The Encyclopedia of Popular Herbs. New York: Rodale Press.

20 Elpel, T. J. (2013). Botany in a Day. Pony, MT: HOPS Press.

21 McArthur, M. (1999). Dowsing: The Complete Course. London: Piatkus.

22 Cunningham, S. (1985). Cunningham’s Encyclopedia of Magical Herbs. St. Paul, MN: Llewellyn Publications.

23 Kynes, S. (2003). Sea Magic: Connecting with the Ocean Spirit. St. Paul, MN: Llewellyn Publications.