Melatonin shortens the hair growth cycle by increasing PDGFA gene expression.
May 2025 in “Biomedicine & Pharmacotherapy” Hyperbranched polymer dots significantly boost hair regrowth better than minoxidil.
12 citations
,
September 1982 in “Journal of Investigative Dermatology” 62 citations
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November 2022 in “Acta Pharmaceutica Sinica B” The injectable hydrogel effectively speeds up chronic wound healing.
April 2008 in “Expert review of dermatology” Mutations in the P2RY5 gene cause hereditary woolly hair.
6 citations
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September 2017 in “Experimental and Therapeutic Medicine” Shortened PEDF peptides speed up skin wound healing by boosting cell growth.
6 citations
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January 2019 in “Journal of feline medicine and surgery open reports” A cat with severe skin issues improved with dexamethasone and cetirizine.
7 citations
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September 2014 in “Beni-Suef University Journal of Basic and Applied Sciences” Cuscuta reflexa extracts and an isolate promoted hair growth and could be natural treatments for hair loss.
January 2026 in “Journal of Aesthetic Nursing” Polynucleotides improve skin quality and are safe and effective for rejuvenation.
12 citations
,
November 2015 in “Journal of Investigative Dermatology Symposium Proceedings” PTH-CBD helps reduce hair loss in mice by stimulating hair growth directly.
253 citations
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April 2009 in “Journal of Biological Chemistry” p2y5, now called LPA6, is a receptor important for human hair growth.
July 2025 in “JOJ Dermatology & Cosmetics” Both treatments improved hair quality and thickness equally, with mild side effects.
9 citations
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May 2005 in “Annales de dermatologie et de vénéréologie” Oral zinc and topical steroids can effectively treat chronic scalp pustules and hair loss in elderly patients.
4 citations
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December 2010 in “Copernican Letters” Synthetic polypeptides in cosmetics may help with anti-aging, but their effectiveness on real skin is uncertain.
2 citations
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November 2017 in “Journal of Cosmetic Dermatology” Injecting platelet-rich plasma under the skin significantly improves hair growth and quality without harmful effects.
August 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Optimized microneedles promote hair regrowth better than minoxidil without safety risks.
21 citations
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April 2019 in “Clinical, cosmetic and investigational dermatology” The document concludes that stopping shaving or removing affected hair can alleviate Pseudofolliculitis barbae (PFB).
142 citations
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January 2010 in “Journal of dermatological science” Hair follicles are promising targets for delivering drugs effectively.
March 2022 in “Journal of cosmetic dermatology” Botanical extracts can help treat hair loss in people with certain genetic conditions.
December 2025 in “Plastic & Reconstructive Surgery” The treatment effectively reduces hair loss and improves hair growth with minimal side effects.
February 2020 in “Int J Biologicals” Super-activated platelet lysate significantly promotes hair regrowth in mice with androgenetic alopecia.
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.
Poly-D,L-lactic acid boosts hair growth in aged skin by activating hair follicle stem cells.
1 citations
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October 2025 in “Nano Research” A new microneedle patch effectively treats atopic dermatitis by reducing skin stress and restoring immune balance.
January 2020 in “대한미용학회지” Natural ingredients like plant extracts and marine life show promise for improving scalp health and reducing hair loss.
26 citations
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September 2018 in “Colloids and Surfaces B: Biointerfaces” A new liposome treatment helps heal deep burns on mice by improving hair regrowth and reducing scarring.
76 citations
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August 2018 in “International Journal of Cosmetic Science” Dermal Papilla cells are a promising tool for evaluating hair growth treatments.
November 2025 in “Journal of Investigative Dermatology” AMP-303 injections can increase hair growth in androgenetic alopecia with minimal side effects.
Some dog skin mousse products with certain chemicals can prevent bacterial growth for up to 14 days, but effectiveness varies with hair length and product ingredients.