90 citations
,
July 2014 in “Conservation Physiology” Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.
38 citations
,
September 2017 in “Journal of zoo and wildlife medicine” Oclacitinib maleate successfully treated alopecia in Andean bears.
33 citations
,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
30 citations
,
March 2017 in “PLoS ONE” Sulfur slightly improved diet estimates for grizzly bears, but hair growth timing varied, affecting results.
9 citations
,
August 2020 in “Ecological indicators” Laser ablation ICP-MS is effective for tracking trace elements in polar bear hair over time.
January 2007 in “Journal of Southwest University” The ND1 gene of the Asian black bear Sichuan subspecies is similar to other bear species.
January 2026 in “European Journal of Therapeutics” Topical dapsone may effectively treat lichen planopilaris in the beard, especially for those who can't tolerate standard treatments.
February 2013 in “Journal of the American Academy of Dermatology” Certain gene variations may increase the risk of alopecia, and platelet-rich plasma treatment can improve hair density in those with hair loss; a rare case of facial Becker's nevus was linked to uneven beard growth.
December 2010 in “SciVee” 21 citations
,
January 2017 in “MethodsX” Methanol is better than isopropanol for washing grizzly bear hair to measure cortisol.
12 citations
,
January 2019 in “Sleep medicine” Night shift work disrupts the body's natural clock genes.
November 2025 in “SKIN The Journal of Cutaneous Medicine” Baricitinib significantly regrows hair in nasal, genital, and beard areas for severe alopecia areata.
November 2025 in “Annals of Dermatology” Alopecia Areata affects young adults more in high-income countries, especially females.
January 2022 in “Aesthetic surgery journal”
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.
117 citations
,
August 2019 in “Drug Design Development and Therapy” Minoxidil effectively treats hair loss, but use cautiously and monitor side effects.
105 citations
,
June 2010 in “The journal of sexual medicine” Testosterone undecanoate increases lean mass and causes various physical changes in female-to-male transsexuals.
96 citations
,
February 2002 in “Journal of the American Academy of Dermatology” Pseudofolliculitis barbae is a chronic skin condition affecting mainly African American and Hispanic individuals, caused by shaving tightly curled hair, and managed by prevention and treatment but not curable.
77 citations
,
March 2001 in “Clinics in Dermatology” Androgenetic alopecia involves genetics, hormones, and can be treated with medications or surgery.
67 citations
,
September 2003 in “Plastic and Reconstructive Surgery” Micrografts and minigrafts are safe and effective for hair transplantation in facial and scalp reconstruction, providing high patient satisfaction.
51 citations
,
June 2016 in “Journal of the European Academy of Dermatology and Venereology” Tofacitinib was effective in treating hair loss in two patients with alopecia universalis.
37 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” Facial hair restoration is generally successful and satisfying for patients when done with quality techniques and realistic expectations.
34 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Human hair growth is influenced by androgen hormones, and red deer mane follicles have similar hormone receptors.
33 citations
,
February 1996 in “Journal of The American Academy of Dermatology” Treat scalp and beard fungal infections early with oral antifungal medication and sometimes topical therapy, avoiding unnecessary allergy tests and surgery.
28 citations
,
December 2017 in “Lasers in Medical Science” Monochromatic light devices, especially the 308-nm excimer laser, are promising for treating alopecia areata but more research is needed.
25 citations
,
May 2011 in “Annals of Plastic Surgery” Nonhead hair transplantation is effective for patients with limited head donor hair, but more research is needed.
22 citations
,
January 2017 in “Indian Dermatology Online Journal” Body hair transplants can treat baldness but differ from scalp hair and need more research on long-term results and side effects.
19 citations
,
August 2011 in “Facial Plastic Surgery Clinics of North America” Hair grafting is a key method for improving scars, especially in areas with hair, by transplanting hair to hide the scar while maintaining its original characteristics.
18 citations
,
May 2016 in “Aesthetic Surgery Journal” Body hair transplantation is an effective method for restoring hair in people with severe baldness and limited scalp donor hair.