77 citations,
March 2001 in “Clinics in Dermatology” Androgenetic alopecia involves genetics, hormones, and can be treated with medications or surgery.
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.
November 2018 in “Springer eBooks” The document concludes that specialized hair transplant techniques can be effective, with varying success rates depending on the donor area and patient factors.
124 citations,
April 1992 in “Journal of Endocrinology/Journal of endocrinology” Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.
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.
28 citations,
August 2013 in “Facial Plastic Surgery Clinics of North America” Body and beard hair can be used for hair restoration in severely bald patients, but the technique is complex and costly.
41 citations,
June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
5 citations,
November 2019 in “Dermatology and therapy” Beard hair extraction improves scalp hair restoration results in East Asian men with severe hair loss.
6 citations,
September 2001 in “The Cleft Palate Craniofacial Journal” Hair transplant surgery successfully restored a boy's moustache hair on a cleft lip scar, with natural-looking results and patient satisfaction.
11 citations,
September 2001 in “The Cleft Palate Craniofacial Journal” Hair transplant surgery successfully restored a boy's moustache hair on a cleft lip scar, with natural-looking results and patient satisfaction.
26 citations,
January 2016 in “Journal of cutaneous and aesthetic surgery” Hair transplant combining scalp and beard hair with PRP was successful for scarring alopecia.
3 citations,
November 2018 in “Hair transplant forum international” Using body hair with scalp hair for hair transplants improves density and coverage in severe hair loss cases.
1 citations,
November 2003 in “Annals of saudi medicine/Annals of Saudi medicine” A 17-year-old in Saudi Arabia was diagnosed with a rare skin condition causing red-brown facial patches.
51 citations,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
2 citations,
January 2019 in “PubMed” The study concluded that certain areas of the scalp and beard are safe for hair transplant donor sites in Indian men.
87 citations,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
31 citations,
October 1971 in “Steroids” Human beard hair follicles change testosterone into other related hormones, but don't much change androstenedione into testosterone.
12 citations,
January 2019 in “Sleep medicine” Night shift work disrupts the body's natural clock genes.
4 citations,
January 2015 in “International Journal of Trichology” Transplanted hair follicles can change and adapt to new areas of the body, with the immune system possibly playing a role in this adjustment.
66 citations,
January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
28 citations,
February 1999 in “Archives of Dermatological Research” Finasteride potentially treats hair loss by reducing DHT production.
25 citations,
July 1994 in “Journal of dermatological science” Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.
June 2016 in “Experimental Dermatology” Changing hair follicle identity could potentially reverse balding.
45 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Understanding hair follicles through various models can help develop new treatments for hair disorders.
854 citations,
February 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Understanding hair follicle development can help treat hair loss, skin regeneration, and certain skin cancers.
October 2024 in “Journal of Cutaneous and Aesthetic Surgery” Including the parietal eminence in hair transplants improves scalp appearance and balance.
January 2023 in “Operative Techniques in Otolaryngology-Head and Neck Surgery” Hair transplants help transgender patients look more like their gender identity, with different procedures for trans women and men.
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.
4 citations,
November 2016 in “Dermatologic Therapy” Topical tretinoin may increase beard hair density.
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.