176 citations
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August 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” In this study, cross-sex hormone therapy affected hair growth patterns differently, with estrogen reducing hair growth in male-to-female transsexuals and testosterone increasing it in female-to-male transsexuals; however, male typical hair diameters were not fully reached in the latter group after 12 months.
14 citations
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December 2013 in “Experimental Dermatology” The T-zone on the face has more androgen receptors and produces more oil than the U-zone.
September 2014 in “Springer eBooks” This review discusses how sex hormone levels and local steroid synthesis influence gender differences in aging skin, reporting no new clinical results.
December 2025 in “International Journal of Molecular Sciences” In this study, O. forskahlii seed oil was found to promote hair growth in rats and exhibit anti-aging effects on human skin cells by enhancing fibroblast proliferation and inhibiting inflammation and enzyme activity, indicating potential for cosmetic use.
January 2017 in “Isan Journal of Pharmaceutical Sciences” This study explored microemulsion formulations for delivering finasteride through the skin, finding that higher water concentrations increased permeation, which may inform optimal transdermal delivery for treating androgenetic alopecia.