October 2025 in “Journal of the Endocrine Society” Hormone Replacement Therapy improves skin health in postmenopausal women by boosting collagen and hydration.
October 2022 in “Endocrine journal” Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.
53 citations
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May 2010 in “Journal of Cellular Physiology” Mice without Vitamin D receptors have hair growth problems because of issues in the hedgehog signaling pathway.
11 citations
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November 2014 in “Behavior Genetics” 30 citations
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September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
2 citations
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November 2024 in “JCEM Case Reports” Inhaled substances in e-cigarettes can cause hormone imbalances similar to congenital adrenal hyperplasia.
February 2026 in “Optics” Stretching wool changes its structure and improves fiber alignment.
12 citations
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February 1975 in “Journal of Steroid Biochemistry”
May 1999 in “Hair transplant forum international” Hydrogen peroxide can affect wound healing.
1 citations
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April 2022 in “AACE clinical case reports” A 36-year-old person with a female appearance but male chromosomes was diagnosed with a rare enzyme deficiency affecting sexual development.