January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
18 citations
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February 2019 in “Scientific Reports” Trichostatin A helps restore hair-growing ability in skin cells used for hair regeneration.
124 citations
,
April 2000 in “Nature biotechnology” 12 citations
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September 1982 in “Journal of Investigative Dermatology” 23 citations
,
January 1991 in “Journal of Animal Science” Biotin supplementation in sow diets is unnecessary.
58 citations
,
April 1998 in “Journal of biological chemistry/The Journal of biological chemistry” CYP2B12 enzyme in skin cells converts arachidonic acid into specific bioactive lipids.
October 2017 in “The Japanese Biochemical Society/The Molecular Biology Society of Japan” Some natural compounds might help hair grow.
October 2025 in “Phytochemistry Letters” 7 citations
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January 2017 in “Sub-cellular biochemistry/Subcellular biochemistry” 
May 2024 in “European Journal of Immunology” Vitamin B5 and coenzyme A may help regulate the immune system and could improve treatments for chronic diseases and cancer.
RADA16-I improves hair growth on deep burn wounds better than other materials.
July 2025 in “Journal of Investigative Dermatology” 3 citations
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March 2013 in “Journal of the Society of Cosmetic Scientists of Korea” Transglutaminase can repair damaged hair, making it stronger and shinier.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” SELP::KP improves hair strength, elasticity, and health, making it a promising hair cosmetic.
4 citations
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April 2024 in “Cellular and Molecular Biology” Injectable platelet-rich fibrin is better than platelet-rich plasma for promoting hair growth.
76 citations
,
February 1993 in “Journal of Biological Chemistry” KAP6 genes are conserved across species and active in hair follicles.
108 citations
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October 2003 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin makes hair follicles stronger.
31 citations
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July 2012 in “Journal of Lipid Research” ACBP is crucial for healthy skin in mice.
17 citations
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April 2016 in “Journal of Investigative Dermatology” KB2115 (eprotirome) can safely extend the hair growth phase without damaging cells or changing hair color.
16 citations
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May 2009 in “Journal of child neurology” Valproic acid does not change biotinidase enzyme activity in children's blood.
23 citations
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April 1996 in “PubMed” Vitamin D3 and parathyroid hormone-related peptide may have important uses in skin treatments.
January 2022 in “Aesthetic Plastic Surgery” November 2022 in “Skin Appendage Disorders” PT-20 did not significantly improve gray hair repigmentation.
July 2024 in “Journal of Investigative Dermatology” Brepocitinib improves cicatricial alopecia and reduces key immune markers.
January 2008 in “Linchuang pifuke zazhi” Betamethasone activates and increases the growth of certain skin cells from hair follicles.
111 citations
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April 2000 in “British journal of dermatology/British journal of dermatology, Supplement” Thyroid hormone receptor β1 is found in human hair follicles and helps them survive.
October 2021 in “Interfaces Científicas” Nutricosmetics for hair treatment often contain biotin, pyridoxine, zinc, and other nutrients, but more research and professional guidance are needed for their use.
May 2009 in “Medical and surgical dermatology/Medical & surgical dermatology” Hair and nail conditions can stabilize or improve over time, and new treatments show promise.
36 citations
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October 2007 in “Journal of Investigative Dermatology” Betacellulin helps blood vessel growth in wounds but delays hair growth.