34 citations
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January 2004 in “Genomics” A cluster of 21 keratin-associated protein genes important for hair growth was found on human chromosome 21.
December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
January 2018 in “journal of applied pharmaceutical science” Biomimetic peptides improved hair growth and increased growth factors in hair follicles for hair loss patients.
Transglutaminases help form strong hair by linking proteins, and can potentially alter hair properties.
45 citations
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January 1977 in “Advances in experimental medicine and biology” Hair follicles have an enzyme that converts arginine to citrulline in proteins.
The combination therapy improved hair growth and thickness in people with androgenetic alopecia.
July 1998 in “Hair transplant forum international” Copper peptide products may improve healing after surgery.
137 citations
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October 2009 in “The American journal of pathology” Matriptase is crucial for keeping epithelial tissues healthy and functioning properly.
October 2024 in “OBM Transplantation” PRGF can improve acne and scars.
13 citations
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May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
2 citations
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January 2017 in “Folia biologica” The KRTAP7-1 gene is very similar across different cattle and yak breeds and likely plays a role in hair strength and shape.
March 2024 in “Journal of functional foods” Collagen peptides from marine and bovine sources may help prevent hair loss by affecting hair follicle stem cells differently.
4 citations
,
January 1994 in “Current Opinion in Endocrinology & Diabetes” PTHrP regulates various normal body functions, including bone development, skin, and muscle function.
105 citations
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February 1996 in “Journal of biological chemistry/The Journal of biological chemistry” The TGM3 gene's promoter region is key for skin and hair cell function and may aid gene therapy.
26 citations
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December 2006 in “Endocrinology” A cream with a specific hormone blocker increases hair growth in mice.
71 citations
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June 2005 in “Journal of Investigative Dermatology” PAD enzymes play a key role in hair growth and structure.
11 citations
,
August 2022 in “Green Chemical Engineering” Engineered polypeptide-based systems can improve cancer treatment by targeting specific sites and reducing side effects.
19 citations
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July 1997 in “British Journal of Dermatology” LHTric-1 is a specific antibody useful for studying hair and nail formation.
October 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Thymic peptides can either promote or inhibit human hair growth.
1 citations
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May 2022 in “The FASEB journal” The document concludes that biotin, folate, and RGD peptides are promising for targeting cancer cells with prodrugs, but the conjugates are not yet tested for use.
GHK-Cu and propolis may help prevent scalp aging and hair loss.
42 citations
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May 1997 in “The Journal of Biochemistry” PAD type III enzyme is specific to rat skin and hair follicles.
October 2025 in “Editora Pasteur eBooks” Peptides improve skin health and treatments for hair loss and pregnancy-related skin issues are evolving.
June 2025 in “Asia-Pacific Journal of Molecular Biology and Biotechnology” Papain from papaya may help treat cardiovascular diseases by breaking down fibrin.
105 citations
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August 2010 in “Pharmacology & therapeutics” Formyl-peptide receptor agonists could be new anti-inflammatory drugs.
April 2025 in “Pharmaceuticals” APA is a promising new compound for repairing damaged hair, outperforming Olaplex® in strength and elasticity.
July 2022 in “Journal of Investigative Dermatology” The combination of a plant extract and a peptide can increase hair pigmentation and may reverse greying.
December 2023 in “Journal of ethnopharmacology” Tribuloside can increase skin pigmentation by enhancing melanin production and distribution.
16 citations
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November 2018 in “The journal of pain/Journal of pain” 14,15-EET may help reduce poststroke pain by affecting certain brain proteins.
2 citations
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August 2025 in “Pharmaceutics” PN hydrates skin; PDRN heals and regenerates skin and hair.