research Chemically Induced Depigmentation of Skin and Hair
Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
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270-272 / 272 results research The Tale of Stress: An Exploratory Analysis of Cortisol Levels in the Tail Hair of Captive Asian Elephants
Elephant tail-hair can show past stress levels, matching times when stressful events happened.