Finasteride and minoxidil help regrow hair by improving hair thickness and length.
September 1996 in “Journal of the American Academy of Dermatology” March 1996 in “Proceedings of the British Society of Animal Science” Increasing dietary zinc improves dog coat quality.
March 1996 in “Proceedings of the British Society of Animal Science” Increasing dietary zinc improves dogs' hair growth and coat condition.
November 1993 in “PubMed” Hirsutism, excessive male-pattern hair in women, can be caused by high androgens or skin sensitivity, diagnosed by testosterone levels, and treated with hair removal and hormone therapy.
January 1991 in “Dermatology” January 1986 in “Dermatology”
February 1981 in “Kazan medical journal” Zinc deficiency can cause hair loss and skin issues.
May 1961 in “Tumori Journal” Vitamin A treatment reduced abnormal cell growth and improved skin conditions in rats with tumors.