A new peptide, murikal/SPR4, was found to significantly increase hair growth in mice, and its liposomal topical formulations enhanced hair growth more than commercial products. However, results on human scalp skin were unclear, needing more tests.
January 2000 in “HAL (Le Centre pour la Communication Scientifique Directe)” Melatonin boosts hair growth in chinchillas.
September 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Blocking IL-1 could help treat some hair loss conditions; alopecia affects liver detox systems; spironolactone is better than finasteride for female hair growth; focusing on the catagen hair phase could lead to new alopecia treatments.
375 citations
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February 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
103 citations
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January 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
16 citations
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August 1996 in “The journal of experimental zoology/Journal of experimental zoology” Red deer hair cells offer a new way to study how hormones affect hair growth.
Collagen VI is crucial for nerve function and affects wound-induced hair regrowth.
June 2026 in “Advanced Science” New cryomicroneedles can improve hair growth and regeneration.
August 2017 in “Journal of Investigative Dermatology” Activin increases skin tumor formation, skin Tregs help hair growth, lymph-node removal doesn't improve melanoma survival, cells can revert to stem cells in wound healing, and skin bacteria produce peptides that may treat infections.
August 2013 in “Nature Reviews Drug Discovery” A protein called FGF9 helps regenerate hair follicles in mice after skin damage, and increasing FGF9 could potentially help human hair growth.
6 citations
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August 2016 in “Journal of microencapsulation” The hair lotion with methyl myristate in niosomes treats grey hair faster and better than the free form.
1 citations
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January 2024 in “Journal of applied pharmaceutical science” Bacteria from Xylocarpus fruit can be used in hair creams to treat hair loss and fight infections.
1 citations
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August 2019 A 25% ethanol extract hair tonic from Nothopanax scutellarium leaves significantly boosts hair growth in male rabbits.
August 2025 in “Aesthetic Plastic Surgery” Collaboration and innovation are key to developing effective, safe hair loss treatments.
3 citations
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January 2018 in “Chiang Mai University Journal” Centella asiatica extract may help promote hair growth.
2 citations
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January 2019 in “Applied clinical research, clinical trials and regulatory affairs” Different countries have regulations to ensure the safety of hair care products, with some recalling hair straighteners due to high formaldehyde.
November 2023 in “Food science of animal resources” Lactilactobacillus curvatus LB-P9 taken orally helps hair regrow faster and thicker in mice.
1113 citations
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August 1999 in “The New England Journal of Medicine” Hair follicle biology advancements may lead to better hair growth disorder treatments.
211 citations
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April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
146 citations
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May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
95 citations
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August 2013 in “Journal of Investigative Dermatology” HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.
80 citations
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April 2006 in “Clinical Interventions in Aging” Minoxidil and Finasteride are effective for male baldness; more research is needed for hair aging treatments.
77 citations
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March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
71 citations
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October 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” HFMs can help study hair growth and test potential hair growth drugs.
66 citations
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January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
61 citations
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April 2013 in “PloS one” The study found key genes and pathways involved in cashmere goat hair growth stages.
54 citations
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September 2000 in “Archives of dermatology” A hair-straightening product caused widespread hair loss and scalp injuries, mainly affecting African American women.
46 citations
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March 2017 in “Nanotoxicology” Nano-ZnO on skin may hinder hair growth by affecting stem cells.
44 citations
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June 2018 in “Journal of Cellular Physiology” Researchers developed a 3D model of human hair follicle cells that can help understand hair growth and test new hair loss treatments.
44 citations
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April 2017 in “Genes & development” Scientists found cells in hair that are key for growth and color.