44 citations,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
43 citations,
November 2018 in “Nature Communications” Genetic variations affecting skin structure play a key role in severe acne.
43 citations,
April 2017 in “Experimental Dermatology” Female pattern hair loss has unclear causes, possibly involving genetics, hormones, and environment, and needs better treatments.
43 citations,
July 2013 in “Pharmacological reviews” New research on prostamide F2α has led to treatments for glaucoma and eyelash growth and may have more medical uses.
43 citations,
June 2012 in “Lasers in Medical Science” Low-level laser treatment helped rats regrow hair faster after chemotherapy.
43 citations,
March 2009 in “Journal of Cellular and Molecular Medicine” TGF-β2 plays a key role in human hair growth and development.
43 citations,
October 2002 in “International Journal of Cosmetic Science” All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.
42 citations,
December 2016 in “Cell Death & Differentiation” Damaging mitochondrial DNA in mice speeds up aging due to increased reactive oxygen species, not through the p53/p21 pathway.
42 citations,
July 2015 in “Journal of The American Academy of Dermatology” The conclusion is that oral contraceptives and antiandrogens can treat hirsutism and acne in women with cutaneous hyperandrogenism, but more research is needed for effective treatments, especially for hair loss.
42 citations,
March 2008 in “Molecular and Cellular Endocrinology” Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.
42 citations,
March 2006 in “Drug Discovery Today: Therapeutic Strategies” The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.
41 citations,
January 2012 in “Journal of Korean Medical Science” Over 60% of Korean military personnel had skin diseases, commonly acne and athlete's foot, linked to service length and stress.
41 citations,
September 2011 in “Journal of Ethnopharmacology” Panax ginseng extract helps mice grow hair.
41 citations,
June 2010 in “Clinics in Dermatology” Smoking harms skin health, causing slower wound healing, more wrinkles, and worsening some skin conditions, but may protect against certain others.
41 citations,
January 2007 in “Journal of Korean Medical Science” Minoxidil and ATRA together boost hair growth more effectively than minoxidil alone.
41 citations,
June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
41 citations,
February 2001 in “Current pharmaceutical design” Current and future treatments for alopecia areata focus on immunosuppression, immunomodulation, and protecting hair follicles.
41 citations,
March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
40 citations,
April 2014 in “Genes & Development” Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.
40 citations,
July 2013 in “Skin Pharmacology and Physiology” Male skin gets drier and more alkaline as it ages, which may need different skincare than women's skin.
40 citations,
January 2013 in “Journal of Korean Medical Science” Iron deficiency may contribute to hair loss.
40 citations,
January 1994 in “Skin Pharmacology and Physiology” Male hormones affect oil-producing skin cells differently based on their body location, and the drug spironolactone can reduce these effects.
39 citations,
March 2018 in “Archives of Dermatological Research” Androgens may block hair growth signals, targeting this could treat hair loss.
39 citations,
June 2013 in “Journal of Cosmetic Dermatology” Herbal extracts and platelet-rich plasma together may help increase hair growth by making certain cells grow more, through specific cell growth pathways.
39 citations,
September 2012 in “Human Reproduction” Certain genetic variations in the SHBG gene are linked to an increased or decreased risk of PCOS in Mediterranean women.
39 citations,
May 2011 in “Human Immunology” Genetics play a role in acne, but how exactly they contribute is not fully understood.
39 citations,
January 2008 in “Journal of Endocrinology” SCF and c-Kit decrease in AGA hair follicles, possibly affecting hair pigmentation and growth.
39 citations,
July 2007 in “Archives of Pharmacal Research” A tripeptide-copper complex may help hair grow by increasing cell growth and decreasing cell death.
38 citations,
April 2018 in “Psychopharmacology/Psychopharmacologia” Blocking CRF-R1 can reduce alcohol intake in stressed mice.
38 citations,
June 2015 in “Expert Opinion on Therapeutic Targets” Blocking the prolactin receptor might help treat various diseases, but more research is needed.