January 2021 in “International journal of pharmaceutical research” In this study, the researchers found that the ethyl acetate fraction of Sansevieria trifasciata P. (20%) was just as effective as minoxidil (2%) in promoting hair growth in male rabbits, with notable results in hair follicle proliferation and a favorable anagen to telogen ratio.
This study reviews the potential of rosemary extract for promoting hair growth and reducing hair fall, noting that its efficacy is comparable to minoxidil and that it is generally safe for topical use, though further clinical trials are needed to standardize formulations and dosages.
June 2008 in “Experimental Dermatology” This study suggests that combining 17-beta estradiol with prednisolone could accelerate hair regrowth after chemotherapy-induced alopecia in humans, based on preclinical findings using an in vitro model.
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October 2015 in “Indian journal of science and technology” This study found that SM-215 applied to mice increased hair follicle activity and capillary presence, promoting hair growth compared to non-treatment.
January 2002 in “NCSU Libraries Repository (North Carolina State University Libraries)” This study found that skin is a significant site for estrogen production in mice, impacting both hair cycle regulation and sensitivity to chemical carcinogenesis.
