May 2026 in “Journal of Medicinal Food” Hydrolyzed keratin peptide improves hair growth and health.
9 citations
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October 1982 in “PubMed”
15 citations
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October 2020 in “Journal of Investigative Dermatology Symposium Proceedings” Platelet-Rich Plasma (PRP) could potentially help regrow hair in people with Alopecia Areata, but more research is needed to confirm its effectiveness.
September 2025 in “Journal of Cosmetic Dermatology” Rb-bFGF improves hair transplant results and patient satisfaction with fewer complications.
48 citations
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March 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Retinoic acid production and signaling in hair follicles are regulated by location and timing, affecting hair growth and cycling.
July 2025 in “Cosmoderma” PRP therapy has evolved over 70 years and is used for healing and cosmetic purposes, but its effectiveness varies.
58 citations
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January 2020 in “International Journal of Molecular Sciences” Different methods of preparing Platelet-Rich Plasma (PRP) can affect wound healing and hair regrowth in plastic surgery. Using a kit with specific standards helps isolate PRP that meets quality criteria. Non-Activated PRP and Activated PRP have varying effects depending on the tissue and condition treated. For hair regrowth, Non-Activated PRP increased hair density more than Activated PRP. Both treatments improved various aspects of scalp health.
2 citations
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April 2022 in “Indian Journal of Dermatology, Venereology and Leprology” Platelet-rich plasma is a promising and safe treatment for increasing hair density and thickness in women with chronic telogen effluvium.
2 citations
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February 2012 in “PubMed” Gp₄G promotes hair growth and improves skin health.