May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
2 citations
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January 2022 in “Materials today: proceedings” Caffeine may be good for hair growth and skin care because it binds well with keratin.
Hair intradermotherapy effectively treats hair loss and boosts self-esteem.
KY19382 helps to regrow hair and create new hair follicles.
September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
169 citations
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May 2006 in “Genes & Development” Keratin 17 is crucial for normal hair growth by regulating hair cycle transitions with TNFα.
January 2026 in “International Journal of Innovative Technologies in Social Science” JAK inhibitors show promise for treating alopecia areata, but more research is needed.
May 2003 in “Journal of clinical oncology” 42 citations
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July 2017 in “Molecular therapy” A form of vitamin E promotes hair growth by activating a specific skin pathway.
20 citations
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January 2022 in “Oxidative Medicine and Cellular Longevity” Reactive oxygen species (ROS) influence hair growth by causing DNA damage, cell death, and changes in immune cells.
April 2023 in “CRC Press eBooks” Hair care products mainly work on the hair's surface and need professional guidance for use.
September 2021 in “Zenodo (CERN European Organization for Nuclear Research)” 
January 1997 in “Elsevier eBooks” The document explains how shampoos clean, rinses condition, one-step shampoos offer convenience, and hair growth promoters aim to prevent hair loss, emphasizing the importance of scientific evidence for their effectiveness.
Caffeine therapy helped hair recovery after chemical and traction damage.
6 citations
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January 1998 in “Journal of applied cosmetology” May 2009 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” PPARgamma is crucial for healthy hair follicles, and its loss causes scarring alopecia.
January 1993 in “Claves de razón práctica” ROR2 is crucial for hair follicle stem cell maintenance and self-renewal.
December 2025 in “Actas Dermo-Sifiliográficas” Ritlecitinib is effective and safe for treating severe alopecia areata in people aged 12 and older.
September 2024 in “Journal of the American Academy of Dermatology” Estetrol (E4) may help treat female pattern hair loss by prolonging hair growth.
270 citations
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March 2012 in “Dermatologic Surgery” Platelet-rich plasma can potentially promote hair growth by stimulating cell growth and increasing certain proteins.
1 citations
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January 2019 in “Skin Pharmacology and Physiology” Eplerenone, a mineralocorticoid receptor antagonist, was found to promote hair growth in human hair follicles.
December 2012 in “http://isrctn.org/>” 37 citations
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February 2005 in “Journal of Investigative Dermatology” Overexpression of SSAT causes hair loss and skin issues, but reducing putrescine can help.
38 citations
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January 2014 in “Journal of Dermatological Science” Krtap11-1 is important for hair strength and structure.
6 citations
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June 1976 in “Journal of Investigative Dermatology” March 2025 in “SKIN The Journal of Cutaneous Medicine” 8 citations
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June 2004 in “Journal of Investigative Dermatology” Certain peptides can prevent hair loss in young rats caused by a cancer drug.