1 citations,
January 2020 in “Recent Research in Genetics and Genomics/Recent Research in Genetics and Genomics ” High doses of Lepidium sativum seed extract are toxic and should be used with caution.
50 citations,
July 1981 in “Archives of Dermatology” DNCB helps regrow hair in alopecia areata patients, but safer alternatives are needed.
30 citations,
May 1999 in “Food and chemical toxicology” Procyanidin B-2 is safe to use on skin as a hair growth product.
23 citations,
January 2001 in “International journal of toxicology” St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.
14 citations,
June 1982 in “Archives of Dermatology” A man had bad reactions to a hair loss treatment called DNCB.