December 2025 in “Plastic & Reconstructive Surgery” The treatment effectively reduces hair loss and improves hair growth with minimal side effects.
4 citations
,
December 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.
14 citations
,
July 1994 in “Journal of Investigative Dermatology” 22 citations
,
January 2020 in “PeerJ” Keratin peptides in hair might help identify gender and ethnicity.
November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
4 citations
,
November 2022 in “Journal of biomedical materials research. Part B, Applied biomaterials” Human hair proteins, especially keratins, can protect cells from oxidative stress in lab settings.
September 2019 in “Journal of Investigative Dermatology” Researchers developed a new method to deliver molecules to hair follicles to manage hair growth without damaging surrounding skin.
61 citations
,
July 2011 in “PLOS ONE” Spermidine may help reduce hair loss and deserves further testing as a treatment.
3 citations
,
March 2015 in “Biomolecules & Therapeutics” Phospholipids from pig lungs can significantly promote hair growth.
July 2025 in “Scientific Reports” Serotonin helps hair grow by activating certain cells.
January 2020 in “Journal of St. Marianna University” Human placenta extract may promote hair growth by affecting certain lipid compounds.
Hair growth is controlled by cell interactions and influenced by specific growth factors and hormones.
July 2024 in “International Journal of Molecular Sciences” The inhibitor DPP can promote hair growth.
1 citations
,
July 2023 in “Plastic and Aesthetic Nursing” Biotin and collagen may improve hair health.
October 2021 in “Journal of Investigative Dermatology” DPP4, a molecule in skin, helps heal large wounds and regrow hair follicles when its levels are reduced.
19 citations
,
December 2016 in “PLOS ONE” Early-stage skin cells help regenerate hair follicles, with proteins SDF1, MMP3, biglycan, and LTBP1 playing key roles.
31 citations
,
August 2019 in “Regenerative Medicine” Human placenta hydrogel helps restore cells needed for hair growth.
November 2022 in “Skin Appendage Disorders” PT-20 did not significantly improve gray hair repigmentation.
5 citations
,
January 2012 in “Journal of nutrition & food sciences” The supplement improved hair, skin, and nails appearance and had long-term benefits.
12 citations
,
August 1984 in “Genetics Research” The N gene affects the protein makeup of mouse hair.
January 2025 in “Biochemical Pharmacology” Peficitinib can turn human fibroblasts into cells that help grow hair.
38 citations
,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
41 citations
,
January 2001 in “Journal of Investigative Dermatology” 151 citations
,
August 2011 in “The EMBO Journal” The enzyme PA-PLA1α is important for proper hair follicle development.
4 citations
,
December 2010 in “Copernican Letters” Synthetic polypeptides in cosmetics may help with anti-aging, but their effectiveness on real skin is uncertain.
11 citations
,
April 2020 in “Life sciences” Pantothenic acid helps mink hair follicles grow by affecting certain cell signals.
2 citations
,
August 2020 in “Natural Product Communications” A mix of Platycladus orientalis leaf extract and alpha-terpineol helps mice grow hair by increasing growth factors and cell growth.
June 2023 in “Current Issues in Molecular Biology” DN106212, an extract from a plant, is better at promoting hair growth than other tested substances by affecting hair growth factors and follicle development.
1 citations
,
August 2023 in “Biomolecules & therapeutics” HAPLN1 can promote hair growth and may help treat hair loss.
72 citations
,
October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.