September 2017 in “Journal of Investigative Dermatology” LRIG1 protein affects hair growth by regulating skin receptors, leading to hair loss when overexpressed.
19 citations
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January 2010 in “Hair transplant forum international” PRP can help hair growth, but results vary and need standard methods.
January 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Mothers have more hair proteins than their children, with age-related differences in protein patterns, and some proteins in hair could indicate early childhood development.
14 citations
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January 2001 in “Clinical chemistry” Hair can be used to measure cancer-related chemicals noninvasively.
11 citations
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June 2022 in “Frontiers in immunology” New protein changes may be involved in the immune attack on hair follicles in alopecia areata.
March 2024 in “Journal of Microbiology and Biotechnology” Phloroglucinol may help improve hair loss by promoting hair growth and reducing oxidative stress.
January 2023 in “Aesthetic Plastic Surgery”
June 2025 in “Journal of the Pakistan Medical Association” 2dDR may help regrow hair in male pattern baldness.
September 2016 in “Journal of the Egyptian Women's Dermatologic Society (Print)” Higher RBP4 levels found in people with two types of hair loss.
7 citations
,
January 1989 Minoxidil and 4-MA can help treat hair loss.
26 citations
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December 2006 in “Endocrinology” A cream with a specific hormone blocker increases hair growth in mice.
32 citations
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February 2024 in “Growth Hormone & IGF Research” Dihydrotestosterone (DHT) stops hair growth in mice by lowering a growth factor important for hair.
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.
32 citations
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April 2017 in “Scientific Reports” Platelet-rich plasma can help grow more mouse hair follicles, but it doesn't work for human hair follicles yet.
January 2024 in “SSRN Electronic Journal” 48 citations
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November 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
The polyherbal hair oil showed excellent hair growth properties.
61 citations
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July 2011 in “PLOS ONE” Spermidine may help reduce hair loss and deserves further testing as a treatment.
12 citations
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December 2011
13 citations
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September 2020 in “International Journal of Molecular Sciences” PRP therapy and minoxidil combo works best for male hair loss.
6 citations
,
March 2021 in “Journal of Cosmetic Dermatology” PRP injections promote hair growth and increase hair density in androgenic alopecia.
January 2003 in “Humana Press eBooks” Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.
12 citations
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August 1984 in “Genetics Research” The N gene affects the protein makeup of mouse hair.
3 citations
,
June 1979 in “The Journal of Dermatology” Glycosaminoglycan levels peak early in hair growth and decrease as the cycle progresses.
January 2024 in “Journal of Cosmetic Dermatology” Platelet-rich plasma may improve hair density and count in male pattern hair loss, but more high-quality research is needed.
July 2014 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Applying valproic acid on the scalp increased hair growth in men with hair loss.
January 2024 in “International Journal of Herbal Medicine” Melanin is important for hair color, health, and UV protection.
32 citations
,
January 2008 in “Journal of Microencapsulation” Cosmetics with hinokitiol-loaded nanocapsules were found to effectively promote hair growth.
7 citations
,
December 2021 in “Archives of Dermatological Research” Adiponectin reduces hair pigmentation and affects hair growth signals.
May 2013 in “International journal of innovative research and development” The document concludes that understanding hair's chemical makeup is key to creating effective hair growth products that also improve social confidence.