Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
36 citations
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November 2016 in “European journal of dermatology/EJD. European journal of dermatology” Some medications can cause rare hair color changes, and reporting these side effects is important for patient quality of life.
Cosmeceuticals can improve skin health and appearance but need more research for safety and effectiveness.
5 citations
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August 2014 in “Dermatologic surgery” Advanced fluorescence technology effectively treats skin discoloration from certain creams.
48 citations
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March 1997 in “Seminars in Cutaneous Medicine and Surgery” Vitiligo causes white skin patches but can be treated in many ways.