17 citations
,
August 2016 in “Journal of Investigative Dermatology” KB2115 (eprotirome) can safely extend the hair growth phase without damaging cells or changing hair color.
31 citations
,
April 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
15 citations
,
February 2020 in “Journal of Investigative Dermatology” CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.
14 citations
,
September 2015 in “Expert Opinion on Therapeutic Targets” The conclusion is that while oral contraceptive pills are effective for PCOS-related high androgen levels, new treatments with fewer side effects are needed.
9 citations
,
August 2020 in “Experimental Dermatology” Topical L-thyroxine may help with wound healing and hair growth but should be used short-term due to potential risks.