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Hamamelis virginiana, also known as Virginiana, is a deciduous shrub of the family Witch Hazel family, native to eastern North America, where indigenous people use witch hazel bark and leaves to treat skin inflammation. The bark, foliage and flowers of witch hazel contain excellent skin care ingredients, and each part of the extract has a long history of application in the cosmetics industry.
Efficacy and function of Witch Hazel in North America
· Anti-inflammatory and antibacterial
Witch hazel contains many compounds with anti-inflammatory effects, including gallic acid and tannins, which help treat inflammatory problems in the skin such as acne, eczema or psoriasis. Studies have shown that the powerful antioxidant properties of hamamelis virginiana extract, combined with its anti-inflammatory properties, are able to inhibit skin damage and redness caused by light radiation.
Shampoos containing Witch Hazel Extract of North America relieve scalp redness after 6 months of use
Scientists at the Shiga Center Laboratory in Japan have studied 65 plant extracts that have anti-inflammatory, anti-aging potential effects. Only two of these extracts have a positive deaeration effect and a protective effect against cell damage, one of which is witch hazel.
In 2002, the National Library of Medicine conducted a study in Germany showing that North American witch hazel extract has in vitro antibacterial activity against bacteria and fungi such as Staphylococcus aureus and Candida albicans.
· Anti-allergic
Studies have shown that applying witch hazel to sensitive skin can be helpful in the treatment of allergies or broken skin. Witch hazel extract has been shown to inhibit up to 27% of erythema (redness of the skin caused by injury or irritation). A study of 40 people found that using a lotion containing 10% witch hazel extract was effective in reducing skin inflammation and treating erythema. Other experiments have shown that topical preparations containing North American witch hazel extract can alleviate skin sensitivities.
· convergence
Witch Hazel Extract is an effective skin astringent that helps shrink pores and remove excess skin oil to prevent the growth of acne. And the natural astringent properties of Witch Hazel Extract clear facial acne, bacteria and facial oils.
Among the cosmetics and personal care her princess's graphene peptide purifying and rejuvenating mask products, Witch Hazel Extract is a soothing anti-allergic antioxidant and skin astringent that has the effect of conditioning the skin, improving dry or damaged skin, helping to reduce skin flaking, and is a jewel in skincare, the star of the beauty world.
