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Ce produit n'est pas destiné à diagnostiquer, traiter, guérir ou prévenir toute maladie. Ces déclarations n'ont pas été évaluées par la Food and Drug Administration.
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Ces informations sont fournies à titre éducatif uniquement et ne remplacent pas un avis médical professionnel, un diagnostic ou un traitement. Consultez toujours votre professionnel de santé avant d'utiliser des plantes, surtout si vous êtes enceinte, allaitez, prenez des médicaments ou avez une condition médicale.
Hamamelis virginiana
Witch hazel is a shrub native to North America whose bark and leaves have been used by Native Americans for centuries for skin conditions and inflammation. It is one of the most widely used botanical ingredients in cosmetics and personal care products, valued for its astringent and anti-inflammatory properties.
Witch hazel (Hamamelis virginiana) is a North American shrub whose bark and leaves yield astringent and anti-inflammatory compounds, primarily hamamelitannin, catechins, and proanthocyanidins. It is widely used topically for hemorrhoids, acne, and minor skin irritations, with evidence supporting its efficacy in postpartum perineal care and varicose vein relief.
The astringent action of witch hazel is mediated by tannins (hamamelitannin, proanthocyanidins) that precipitate surface proteins, forming a protective layer and reducing exudation. Anti-inflammatory effects involve inhibition of cyclooxygenase (COX) and lipoxygenase (LOX) pathways, decreasing prostaglandin and leukotriene synthesis. Additionally, flavonoids like quercetin and kaempferol provide antioxidant activity, while volatile oils contribute mild local anesthetic and antimicrobial properties.
Witch hazel is a shrub native to North America whose bark and leaves have been used by Native Americans for centuries for skin conditions and inflammation. It is one of the most widely used botanical ingredients in cosmetics and personal care products, valued for its astringent and anti-inflammatory properties.
Witch hazel (Hamamelis virginiana) is a North American shrub whose bark and leaves yield astringent and anti-inflammatory compounds, primarily hamamelitannin, catechins, and proanthocyanidins. It is widely used topically for hemorrhoids, acne, and minor skin irritations, with evidence supporting its efficacy in postpartum perineal care and varicose vein relief.
The astringent action of witch hazel is mediated by tannins (hamamelitannin, proanthocyanidins) that precipitate surface proteins, forming a protective layer and reducing exudation. Anti-inflammatory effects involve inhibition of cyclooxygenase (COX) and lipoxygenase (LOX) pathways, decreasing prostaglandin and leukotriene synthesis. Additionally, flavonoids like quercetin and kaempferol provide antioxidant activity, while volatile oils contribute mild local anesthetic and antimicrobial properties.