October 2012 in “Annals of Allergy Asthma & Immunology” Witch hazel can help protect skin and may fight colon cancer cells.
37 citations
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January 2015 in “Evidence-based Complementary and Alternative Medicine” An extract from Quercus acutissima bark was found to reduce sebum production and block an enzyme linked to acne.
11 citations
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January 2014 in “International Journal of Trichology” Witch hazel-based hair products improved scalp irritation and were well-tolerated.