42 citations,
February 2014 in “Stem Cells and Development” Vitamin C helps adipose-derived stem cells grow and may support hair growth.
42 citations,
January 2014 in “Cold Spring Harbor Perspectives in Medicine” Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.
42 citations,
July 2012 in “PLOS ONE” Estrogen can temporarily slow down hair growth but this can be reversed.
42 citations,
June 2012 in “Clinical and Experimental Dermatology” Black dots under trichoscopy can appear in different hair and scalp conditions, not just in alopecia areata.
41 citations,
October 2017 in “International Journal of Women's Dermatology” Most pregnant women experience skin darkening and hair changes, with these effects usually going away after giving birth.
41 citations,
July 2015 in “Clinical and Experimental Dermatology” Psoriasis can cause temporary or permanent hair loss.
41 citations,
November 2013 in “Experimental Dermatology” Leptin, a hormone, is important for starting hair growth.
41 citations,
September 2011 in “Journal of Ethnopharmacology” Panax ginseng extract helps mice grow hair.
40 citations,
June 2011 in “Journal of biological chemistry/The Journal of biological chemistry” FA2H is essential for normal fur and sebum production in mice.
40 citations,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
40 citations,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” S100A3 protein is crucial for hair shaft formation in mice.
39 citations,
November 2015 in “Nanomedicine” Improved Finasteride delivery for hair loss treatment.
39 citations,
December 2013 in “Phytotherapy Research” Safflower (Carthamus tinctorius) extract helps hair grow and could be used in hair products.
39 citations,
April 2010 in “International Journal of Pharmaceutics” Nanoparticles improve minoxidil skin permeation, but more research needed for effective hair growth.
39 citations,
December 2001 in “JNCI: Journal of the National Cancer Institute” Using a gene therapy with the Sonic Hedgehog gene helps mice regrow hair faster after losing it from chemotherapy.
38 citations,
October 1988 in “Clinics in Dermatology” Minoxidil can help grow hair and make hair follicles bigger, but it can also cause side effects.
38 citations,
October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
37 citations,
December 2019 in “Giornale italiano di dermatologia e venereologia” The Italian guidelines offer advice for diagnosing and treating alopecia areata based on expert opinion and limited clinical trial evidence.
37 citations,
June 1996 in “Journal of cellular physiology” Retinoic acid, glucocorticoids, and IGF1 increase IGFBP-3 production in human dermal papilla cells, affecting hair growth.
36 citations,
February 2017 in “BMC Complementary and Alternative Medicine” Geranium sibiricum extract helps hair grow and is more effective than minoxidil but can be toxic in high concentrations.
36 citations,
December 2009 in “Skin pharmacology and physiology” Helium-neon laser treatment can stimulate hair growth in mice.
35 citations,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
35 citations,
December 2014 in “Lasers in surgery and medicine” Red light promotes hair growth by directly stimulating hair cells and improving cell communication.
35 citations,
March 2010 in “British journal of dermatology/British journal of dermatology, Supplement” The study showed that mouse eyelashes can be used to study eyelash growth and that bimatoprost makes them longer and more numerous.
35 citations,
August 2001 in “Journal of Cutaneous Medicine and Surgery” Tacrolimus is effective for various skin conditions with fewer side effects than cyclosporine.
34 citations,
April 2018 in “EMBO journal” The protein SLC1A3 is important for activating skin stem cells and is necessary for normal hair and skin growth in mice.
34 citations,
May 2013 in “Journal of the European Academy of Dermatology and Venereology” Hair growth slows and shedding increases after childbirth, but most women don't experience excessive hair loss.
34 citations,
June 1990 in “British Journal of Dermatology” Etretinate treatment changed hair growth patterns in many patients.
33 citations,
September 2019 in “Dermatologic Surgery” Using a special stem cell formula on the scalp once a month for six months helped people with hair loss grow more hair.
33 citations,
September 2017 in “Molecules” Red ginseng oil and its components help promote hair regrowth and could treat hair loss.