July 2020 in “Experimental Dermatology” Aging causes hair thinning in women due to changes in the scalp environment.
21 citations
,
May 2016 in “Experimental and Therapeutic Medicine” MMP-2 and MMP-9 help hair grow, while their inhibitors peak when hair growth slows.
6 citations
,
June 2020 in “Journal of Drugs in Dermatology” PRP can help regrow hair in people with alopecia.
2 citations
,
November 2014 in “International Scholarly Research Notices” The terpenoid fraction may cause thicker scars by delaying wound healing.
1 citations
,
December 2019 in “Journal of medicine and life science” Docosahexaenoic acid (DHA) may help hair growth by promoting dermal papilla cell proliferation.
March 2026 in “International Journal of Science and Research (IJSR)” Melatonin protects skin and supports hair growth.
November 2023 in “Journal of Drug Delivery Science and Technology” Exosomes may help stimulate hair growth and improve hair loss conditions like androgenic alopecia.
January 2023 in “Iranian Journal of Pharmaceutical Research” Stauntonia hexaphylla extract can help treat hair loss by blocking certain hormones.
July 2025 in “Chinese Journal of Dermatology” Hair loss and metabolic syndrome are linked, sharing causes and treatment options.
January 2010 in “West China Journal of Pharmaceutical Sciences” Pterocarpus indcus Willd extracts taken orally can reduce hair loss in rats.
2 citations
,
July 2024 in “Frontiers in Veterinary Science” Apoptosis and ribosomal proteins are key in hair follicle cycle changes in cashmere goats.
194 citations
,
May 2000 in “Journal of Investigative Dermatology” The hedgehog signaling pathway is crucial for hair growth but not for the initial creation of hair follicles.
86 citations
,
August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
DHT, not testosterone, mainly affects hair growth and related conditions.
June 2023 in “Brazilian Journal of Health Review” Common baldness is a hereditary condition that can be treated with medications or surgery to prevent progression and improve self-esteem.
5 citations
,
June 2022 in “Biophysical Journal” TGF-β and TNF influence hair follicle cell fate, with TNF being more effective in triggering cell death.
The inner root sheath in hair follicles plays a key role in hair growth and health.
October 2023 in “Journal of the Endocrine Society” Estetrol helps keep scalp hair in the growth phase longer and improves hair follicle health by affecting the hair root and increasing stem cells.
October 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking cell death in hair follicles can lead to impaired hair growth.
67 citations
,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
26 citations
,
May 2015 in “Lasers in Surgery and Medicine” Laser treatment helped regrow hair in mice by activating a key growth pathway.
November 2025 in “Advanced Science” The treatment using a special hydrogel shows promise for promoting hair growth.
September 2024 in “Journal of the American Academy of Dermatology” Estetrol (E4) may help treat female pattern hair loss by prolonging hair growth.
Qu-shi-yu-fa Decoction may help treat hair loss by promoting hair growth and strengthening hair follicles.
120 citations
,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
December 2023 in “Journal of Food Science and Nutrition” Rosehip Seed Oil may help hair grow by activating important growth pathways and increasing hair follicle size in mice.
26 citations
,
December 2020 in “Genes” A combination of IGF-1 and EGF promotes hair growth in Angora rabbits.
March 2020 in “Research Square (Research Square)” Different long non-coding RNAs in yaks change during hair growth cycles and are involved in key growth pathways.
March 2006 in “The FASEB Journal” Vitamin D receptor is essential for adult hair growth.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” M2 macrophages help hair regrowth in wounds by making growth factors.