112 citations
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July 1998 in “Journal of Investigative Dermatology” This study found that anagen-phase hair follicles in mice are particularly sensitive to damage by ruby laser pulses, resulting in alopecia without scarring, suggesting enhanced laser hair removal strategies.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
18 citations
,
March 2009 in “Skin pharmacology and physiology” This study found that sunlight exposure causes significant structural and chemical damage to hair, including cuticle loss, cortex damage, and discoloration, with water playing a major role in discoloration of brown hair.
150 citations
,
April 1999 in “Dermatologic Clinics” This article reviews the biological and physical principles of laser hair removal and reports that current laser systems do not consistently achieve permanent hair follicle destruction across treated areas.
63 citations
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December 1988 in “International Journal of Dermatology” Vitiligo causes white skin patches and is linked to autoimmune issues.