54 citations,
January 2013 in “BMC Complementary and Alternative Medicine” Thuja orientalis hot water extract may help hair grow by starting the growth phase and improving hair follicle development.
53 citations,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
50 citations,
October 1986 in “European journal of pediatrics” A boy with severe Vitamin D-resistant rickets did not respond to treatment and lacked a common symptom, suggesting a need for alternative treatments.
48 citations,
May 2015 in “NPJ microgravity” A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.
48 citations,
November 1992 in “Clinical Endocrinology” Long-term finasteride use doesn't change bone density or metabolism.
47 citations,
April 2000 in “The American journal of pathology” Bcl-2 overexpression protects against UVB damage but worsens hair loss from chemotherapy.
44 citations,
October 2011 in “Gynecological Endocrinology” Menopause significantly reduces skin collagen, leading to thinner, less elastic skin, and hormone replacement may help but requires careful consideration.
36 citations,
April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.
34 citations,
January 2005 in “Journal of the American Veterinary Medical Association” Cyclosporine A can reduce inflammation in dogs with sebaceous adenitis, but ongoing treatment is needed.
31 citations,
February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
29 citations,
March 2015 in “Journal of Investigative Dermatology” Cyclosporine A promotes hair growth and prolongs the active growth phase in human hair follicles, but may work differently than in rodents.
29 citations,
April 1995 in “Endocrinology” Finasteride doesn't affect bone density in male rats.
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December 2008 in “Laboratory investigation” Activin activation in skin cells speeds up wound healing without affecting scar quality.
26 citations,
May 2015 in “Lasers in Surgery and Medicine” Laser treatment helped regrow hair in mice by activating a key growth pathway.
26 citations,
October 2007 in “Experimental Dermatology” L-Carnitine-L-tartrate may help hair grow and prevent hair loss.
25 citations,
February 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking SCD1 in the skin with XEN103 shrinks sebaceous glands in mice.
25 citations,
May 2012 in “The Journal of Sexual Medicine” Finasteride reduces corpus cavernosum weight but doesn't affect erectile response in rats.
24 citations,
January 2003 in “Journal of Investigative Dermatology” Blocking a specific receptor slows down hair loss in mice.
22 citations,
September 2014 in “Veterinary Dermatology” Low-level laser therapy seems to help dogs with noninflammatory alopecia grow hair back.
21 citations,
March 2018 in “Experimental Dermatology” The guide explains how to study human skin fat cells and their tissue, aiming to improve research and medical treatments.
20 citations,
November 2019 in “Stem Cells” Hes1 protein is important for hair growth and regeneration, and could be a potential treatment for hair loss.
19 citations,
December 2018 in “Experimental and Molecular Medicine” Small molecule IM boosts hair growth by changing stem cell metabolism.
18 citations,
January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
17 citations,
April 2016 in “Journal of Investigative Dermatology” KB2115 (eprotirome) can safely extend the hair growth phase without damaging cells or changing hair color.
15 citations,
September 2008 in “Archives of Dermatological Research” Roxithromycin, an antibiotic, can increase hair growth and might be used as a treatment for hair loss.
11 citations,
January 2018 in “RSC Advances” Cedrol cream is more effective and safe for promoting hair growth than traditional treatments.
11 citations,
August 2000 in “Journal of Endocrinology” DHEA acts like a male hormone on rat skin glands and doesn't turn into female hormones there.
8 citations,
January 2020 in “Skin Pharmacology and Physiology” Caffeine improves hair growth, thickness, and reduces shedding.
7 citations,
January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” T-cell reconstitution after thymus transplantation can cause hair whitening and loss.
7 citations,
March 2012 in “Journal of Investigative Dermatology” Some thymic peptides can increase human hair growth, while others may inhibit it.