4 citations
,
July 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Testosterone increases hair follicle cell growth when beard or axillary skin cells are present together.
July 2015 in “Hair transplant forum international” Facial hair transplants are generally successful, with hair growth beginning around 3 months post-surgery.
6 citations
,
May 2012 in “Clinical and experimental dermatology” Oral minoxidil can cause inflamed, ingrown hairs in the beard area.
9 citations
,
February 2016 in “The Journal of Dermatology” Minoxidil 3% lotion is effective and safe for increasing beard hair count.
173 citations
,
July 1995 in “Biochemical and biophysical research communications” Male hormones promote hair cell growth by using a growth factor from nearby skin cells.
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.
May 2020 in “Hair transplant forum international” Younger people and those with existing acne are more likely to get folliculitis after hair restoration surgery, but it doesn't affect the overall good hair growth result.
March 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” The Enriched-GF method efficiently produces high-yield growth factors for tissue repair.
40 citations
,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
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.
157 citations
,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
15 citations
,
May 2002 in “PubMed” Hormones, especially DHT, affect hair loss and growth, and targeting specific enzymes may help treat hair loss.
5 citations
,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
9 citations
,
August 2020 in “Ecological indicators” Laser ablation ICP-MS is effective for tracking trace elements in polar bear hair over time.
January 2022 in “Aesthetic surgery journal” Extracellular vesicles may effectively treat hair loss with minimal side effects.
Transplanting beard hair into a scalp wound after hair transplant surgery improves scar appearance and hair keeps its normal traits.
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.
27 citations
,
September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
5 citations
,
June 2006 in “PubMed” Combining laser hair removal with a cream effectively reduced facial hair.
May 2020 in “Lithuanian University of Health Sciences” Alopecia areata is an autoimmune disease causing hair loss, with treatments often ineffective but new options are being researched.
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.
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.
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.
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.
10 citations
,
July 2019 in “Facial Plastic Surgery Clinics of North America” Facial hair transplantation has improved to give natural-looking beards and eyebrows with proper technique and patient care.
5 citations
,
January 2004 in “Japanese journal of geriatrics” Male hormones can cause hair loss, but treatments like Minoxidil and Finasteride can help, and targeting TGF-B1 could be a future solution.
1 citations
,
October 2022 in “Hair Transplantation” Body hair can be used for hair transplants when scalp hair is insufficient.
March 1998 in “Journal of dermatological science” Protease Nexin-1 is found in human hair growth cells and is affected by male hormones.
January 1999 in “Journal of S C C J” Certain growth factors regulate hair growth cycles, male hormones affect hair cycles, and drugs like Minoxidil and Finasteride can stimulate hair growth and inhibit male pattern baldness respectively.
24 citations
,
January 1989 Human papilla cells from hair follicles show unique growth behaviors but don't induce hair growth in vitro.