8 citations
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March 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” In this study of healthy men, low levels of testosterone and dihydrotestosterone were associated with higher body mass index, fat content, and insulin resistance, but their effects on lipid and glucose metabolism were similar in quality.
6 citations
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November 1960 in “Experimental Biology and Medicine” In this study, despite morphological differences in the hair growth cycle stages, the lipid composition of the epidermis and dermis showed no significant variation, though water content and cholesterol levels differed between these skin layers.
September 2022 in “Medical Mycology” This study found that patients with androgenic alopecia exhibited higher levels of Malassezia colonization and altered sebum composition compared to individuals without AGA.
41 citations
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May 2005 in “International Journal of Cosmetic Science” This study observed that in Japanese females, hair lipid composition showed significant correlations, suggesting CH and CERs may act as a barrier against sebum-derived lipids.
7 citations
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February 1962 in “Experimental Biology and Medicine” This study observed that male and female epidermis differ significantly in total lipid and phospholipid levels during different stages of the hair growth cycle.