28 citations
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March 1942 in “Journal of Endocrinology” Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.
1 citations
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January 1972 in “PubMed” 37 citations
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January 1975 in “Journal of Experimental Zoology” Epilation doesn't affect rat hair growth; thyroxine speeds it up, while estradiol slows it down.
9 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Sex hormones and antiandrogens can either stimulate or inhibit human hair follicle cell growth depending on the dose.