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Skin whitening is classified as a drug claim (altering the structure or function of the body), not a cosmetic claimproducts marketed for this purpose require FDA approval as a drug, which glutathione does not have
Paso 2 El paso faltante
Loren Pickart first identified GHK in 1973 when he observed that it caused older human liver tissue to produce proteins similar to those found in younger tissue
It shifts melanin production from darker eumelanin toward lighter phaeomelanin
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