38 citations,
August 2012 in “Biochemical and biophysical research communications” Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.
22 citations,
September 2017 in “Skin appendage disorders” Ruxolitinib helped a man regrow his beard after years of hair loss.
4 citations,
November 2016 in “Dermatologic Therapy” Topical tretinoin may increase beard hair density.
5 citations,
December 2011 in “Canadian Journal of Plastic Surgery” Hair grafts can successfully reconstruct a beard on reconstructed jaw skin, improving appearance and patient satisfaction.
31 citations,
October 1971 in “Steroids” Human beard hair follicles change testosterone into other related hormones, but don't much change androstenedione into testosterone.
December 2010 in “SciVee” September 2021 in “PubMed” Hair transplantation is effective for treating scar-related hair loss on the head and neck.
July 2021 in “World journal of plastic surgery” Hair transplantation is effective for treating scar-related hair loss on the head and neck.
41 citations,
June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
November 2023 in “Facial Plastic Surgery” Beard hair is the best for body hair transplants, but the procedure is hard and should be done by experts.