21 citations
,
January 1945 in “Journal of Nutrition” Biotin deficiency in monkeys causes fur and skin issues, but 20 μg of biotin daily can prevent or cure it.
LhGH promotes hair growth and prevents hair loss in mice.
33 citations
,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” 14 citations
,
March 1987 in “Journal of Investigative Dermatology”
3 citations
,
March 2016 in “Journal of Cosmetic Dermatology” GPIGS peptide increases thick hair growth in balding Japanese men.
103 citations
,
February 1972 in “Proceedings of the National Academy of Sciences” A unique enzyme in guinea pig hair follicles helps form protein cross-links in hair.
72 citations
,
October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
November 2025 in “The Journal of Immunology” BTNL2 helps protect hair follicles from immune attacks, which could aid in treating alopecia areata.
February 1985 in “PubMed” A new hydrogel made from human hair keratin can help regenerate skin and fight bacteria.
158 citations
,
January 2003 in “Journal of Forensic Sciences” Hair testing can detect a single GHB exposure, useful for documenting sexual assault.
June 1996 in “Journal of Dermatological Science” 1 citations
,
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Increased PHGDH expression causes early melanin buildup in hair follicles.
Biotin supplements don't consistently help hair growth in alopecia unless there's a deficiency.
98 citations
,
June 2001 in “Journal of biological chemistry/The Journal of biological chemistry” A cluster of sulfur-rich hair protein genes was found on chromosome 17.
30 citations
,
August 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” TGase 3 helps build hair structure by forming strong bonds between proteins.
18 citations
,
February 1992 in “Molecular Biology Reports” A specific type II hair keratin was identified and found in hair cortex and tongue cells.
1 citations
,
January 2019 in “PubMed” cgVEGF164 boosts hair follicle growth in mice.
44 citations
,
January 1984 in “Molecular and Cellular Biochemistry” January 2016 in “Frontiers in Bioengineering and Biotechnology” Keratin-based hydrogels can be improved for medical use by adding PEG, making them more soluble and adjustable.
9 citations
,
January 1983 in “Journal of Chromatography B Biomedical Sciences and Applications” Human hair follicles can assess carcinogen metabolism and imidazole compounds might be effective anticarcinogens.
March 2025 in “Advanced Science” Bioengineered hair germs using special hydrogels can help regenerate hair follicles and treat hair loss.
Older people tend to have higher biotin levels, which are weakly linked to certain blood components and negatively linked to triglycerides; biotin should be checked in patients with high triglycerides or medication-related skin issues, and only supplemented if deficient. Vitamin D and folate deficiencies are linked to specific skin conditions.
2 citations
,
September 2020 in “Biomedical materials” Recombinant keratin materials may better promote skin cell differentiation than natural keratin.
May 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Biotin may help with hair loss.
1 citations
,
July 2022 in “Dermatologic Therapy” Both brands of biotin and dexpanthenol injections improved hair loss, with Bayer also increasing the ratio of thick to thin hairs.
April 2024 in “Research Square (Research Square)” 16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
January 1999 in “Chinses Journal of Hand Surgery” Human hair keratin artificial tendon is a safe and effective tendon substitute.
7 citations
,
January 1990