April 2019 in “Journal of Investigative Dermatology” Maca root extract protects hair follicles and promotes hair growth.
54 citations,
June 1985 in “American Journal of Dermatopathology” Minoxidil helps grow longer, thicker hair in bald scalps of stumptailed macaques, and early treatment is more effective.
40 citations,
February 1992 in “The Journal of Clinical Endocrinology and Metabolism” Taking finasteride pills and using minoxidil lotion together can help grow hair.
33 citations,
January 1997 in “Endocrinology” Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
19 citations,
January 1997 in “Endocrinology” Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.
16 citations,
January 1995 in “Skin Pharmacology and Physiology” SEPA™ enhances the effectiveness of minoxidil in stimulating hair growth, working faster and better than Rogaine® TS, with no significant side effects.
2 citations,
May 2021 in “Scientific Reports” Stress is likely causing hair loss in Formosan macaques.
51 citations,
November 2005 in “Journal of Medical Primatology” Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.
23 citations,
January 2010 in “Journal of Medical Primatology” Hair loss in Rhesus macaques may be caused by a skin allergy-related condition.
21 citations,
October 1988 in “Clinics in Dermatology” The study used monkeys to test a hair loss treatment called minoxidil, which showed positive results.
18 citations,
April 1986 in “International Journal of Cosmetic Science” Minoxidil promotes hair regrowth in early baldness stages and prevents baldness in non-bald scalps.
17 citations,
November 2013 in “American Journal of Primatology” Different monkey species in a lab showed varying levels of hair loss due to factors like type, sex, age, season, and living conditions.
11 citations,
February 2011 in “Current Zoology” About 20% of Japanese macaques had head alopecia, and stress and environment might cause hair loss.
4 citations,
April 2016 in “American Journal of Primatology” Where a rhesus macaque used to live can affect its chances of getting alopecia later in life, and females are more likely to be affected than males.
1 citations,
January 1997 in “Journal of Investigative Dermatology” RU58841, an androgen receptor blocker, significantly increased hair density, thickness, and length in monkeys when applied topically daily for several months.
August 2018 in “Archives on veterinary science and technology” Hair loss in lab macaques is not always due to neglect and has multiple causes.
29 citations,
June 2005 in “Journal of Zoo and Wildlife Medicine” Most hair loss in captive rhesus macaques is likely due to environmental and behavioral factors.
25 citations,
September 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride inhibits enzyme activity in rhesus macaques, suggesting they're useful for evaluating similar drugs.
16 citations,
April 2007 in “Journal of Medical Primatology” The monkey's hair loss was due to an autoimmune disease, not genetics.
10 citations,
November 2015 in “American Journal of Primatology” Monkeys with more anxious or inhibited temperaments tend to have less hair loss.
7 citations,
March 2000 in “CRC Press eBooks” February 2024 in “Animals” Hair loss peaks in spring and regrowth in late summer, with pregnant females losing the most hair.
March 2021 in “Research Square (Research Square)” Stress likely causes hair loss in Formosan macaques.
January 2000 in “Hair and its disorders: biology, pathology and management, 2000, ISBN 1853177997, págs. 137-152” 78 citations,
March 1987 in “Journal of The American Academy of Dermatology” Minoxidil promotes hair growth but stops working when discontinued.
33 citations,
January 2002 Latanoprost, a glaucoma drug, showed potential for promoting hair growth in bald monkeys, especially at higher doses.
13 citations,
April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
February 2023 in “Journal of medical primatology” Pair housing reduces stress behaviors and health issues in quarantined rhesus macaques.
72 citations,
March 2013 in “Primates” More research is needed to understand how diet affects isotope signatures in Japanese macaque tissues.
11 citations,
May 1990 in “Journal of Dermatological Science” Diazoxide applied to the skin can increase hair growth without harmful side effects.