April 2026 in “Brazilian Journal of Hair Health” Perifollicular fibrosis hinders hair regrowth in androgenetic alopecia, and new treatments targeting fibrosis are needed.
94 citations
,
October 1994 in “The Journal of Cell Biology” Too much keratin 16 in mice skin causes abnormal skin thickening and structure.
16 citations
,
February 2018 in “Journal of The American Academy of Dermatology” Scalp biopsies from dermatomyositis patients show chronic hair loss without scarring, with mucin and blood vessel changes being very common.
16 citations
,
August 2000 in “British Journal of Dermatology” Removing the liver tumor improved the patient's skin condition and hair growth.
January 2024 in “Revista Dermatológica Centro Uraga” The patient has Chronic Cutaneous Lupus, a skin condition causing plaques and hair loss.
September 2025 in “Cosmetics” NMN supplements may improve hair quality and appearance in middle-aged women.
94 citations
,
February 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” EGF makes hair follicles grow longer but stops hair production.
72 citations
,
January 1983 in “The Anatomical Record” Epidermal growth factor delays skin and hair development in mice.
45 citations
,
August 1954 in “Experimental Biology and Medicine” Vitamin A penetrates guinea pig skin quickly in alcohol, affects skin thickness, but doesn't impact hair growth.
40 citations
,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
19 citations
,
November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
10 citations
,
September 2021 in “The FASEB Journal” ACKR2 helps prevent skin scarring and hair loss by controlling inflammation.
January 2024 in “Photodiagnosis and Photodynamic Therapy” Using minoxidil with laser therapy is more effective for female hair loss than minoxidil alone.
January 2017 in “Springer eBooks” Over 40% of postmenopausal women experience hair loss, with treatments aiming to stop further loss and possibly thicken hair.
166 citations
,
August 2011 in “Dermatologic Surgery” Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.
14 citations
,
July 2009 in “Current Opinion in Otolaryngology & Head and Neck Surgery” Hair restoration techniques like follicular unit transplant surgery and follicular unit extraction are effective, with ideal graft placement density between 20-30 units per cm². Medications like Minoxidil and Finasteride can help maintain and regrow hair.
6 citations
,
October 2018 in “Dermatologic Surgery” PRP therapy helps slow hair loss and increases hair thickness.
June 2025 in “Research Square (Research Square)” Stem cell exosome injections can safely improve hair growth and thickness in men with hair loss.
98 citations
,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
23 citations
,
May 1998 in “Journal of Dermatological Science” Insulin or IGF-I is needed for hair growth in newborn mice, while minoxidil helps adult mouse hair grow, suggesting a way to study human hair loss.
13 citations
,
July 2019 in “Toxicology research” Ethanamizuril is safe for rats at 20 mg/kg feed, but higher doses cause hair loss, organ changes, and liver, kidney, and lung damage.
11 citations
,
December 1990 in “British Journal of Dermatology” Alopecia areata may involve disrupted mesenchymal function in hair follicles.
7 citations
,
March 2020 in “PloS one” α-parvin is necessary for skin and hair growth and for the correct orientation of skin cells.
4 citations
,
January 2014 in “PubMed” Hair growth is controlled by cycles influenced by hormones and various signals.
4 citations
,
April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
May 2026 in “Frontiers in Endocrinology” Exposure to particulate matter worsens postpartum hair loss by affecting inflammation and cell death pathways.
April 2025 in “International Journal for Research in Applied Science and Engineering Technology” The herbal hair gel is a safe, effective, and natural alternative to synthetic hair gels.
A hair transplant using hair from the back of the head and pubic area was successful in creating a feminine hairline for a male-to-female transgender person.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
September 2005 in “Journal of Investigative Dermatology” Ferulic acid helps stabilize vitamins C and E for better skin protection from the sun, certain compounds may promote hair growth, atopic dermatitis patients have lower skin defense molecules, older men are more likely to get a type of skin cancer, and a substance called relaxin may prevent age-related skin thickening.