3 citations
,
September 2021 in “Bulletin of the Korean Chemical Society” Dimeric peptide derivatives could help hair growth and treat hair loss safely.
1 citations
,
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Increased PHGDH expression causes early melanin buildup in hair follicles.
44 citations
,
January 1984 in “Molecular and Cellular Biochemistry” 2 citations
,
February 2012 in “PubMed” Gp₄G promotes hair growth and improves skin health.
Biotin supplements don't consistently help hair growth in alopecia unless there's a deficiency.
January 1999 in “Chinses Journal of Hand Surgery” Human hair keratin artificial tendon is a safe and effective tendon substitute.
7 citations
,
July 2008 in “Experimental Dermatology” The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.
38 citations
,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
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.
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.
March 2026 in “Journal of Cosmetic Dermatology” Keratinocyte Growth Factor-Hair Serum may help prevent hair loss during chemotherapy, but more research is needed.
GPC1 is important for blood vessel growth in hair follicles and could help treat hair loss.
12 citations
,
July 2021 in “Scientific Reports” Glutamic acid helps increase hair growth in mice.
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.
143 citations
,
January 2012 in “Cell and Tissue Research” 24 citations
,
May 2017 in “PubMed” Biotin supplements for hair improvement are popular without scientific proof of effectiveness.
8 citations
,
September 1981 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin deficiency in pigs causes hair loss, skin issues, and weak claws.
34 citations
,
October 1975 in “Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis”
1 citations
,
June 2019 in “Current developments in nutrition” A combination of arginine silicate complex and magnesium biotinate improves hair and nail growth in rats.
8 citations
,
January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
March 2013 in “International Society of Hair Restoration Surgery” Biotin may not effectively promote hair growth.
November 2022 in “Journal of Investigative Dermatology” Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.
May 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Biotin may help with hair loss.
May 2022 in “Endocrine practice” High-dose biotin can cause false thyroid test results; stop taking biotin two days before testing to avoid errors.
3 citations
,
August 2013 in “Stem cells” Certain inhibitors applied to the skin can promote hair growth by maintaining a key hair growth signal.
27 citations
,
July 1946 in “The journal of nutrition/The Journal of nutrition” Biotin and inositol are crucial for pig health and growth.
October 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” The nanoparticles effectively deliver herbal extract to enhance hair growth.
January 2019 in “Archives of dermatology and skin care” Biomimetic peptides were found to promote hair growth and prolong the growth phase in human hair follicles.
May 2025 in “Health Science Reports” Serum WS Biotin significantly reduces hair shedding and improves hair thickness.