Unlike prescriptions, kojic acid soap is readily available online and ... noticed that the koji mold used in sake production had a skin-lightening effect on the workers’ hands.

Historically, kojic acid has been a key ingredient in skin-whitening products – used at higher percentages and combined with arbutin to “bleach” the skin. However, when used in appropriate ...

This soap uses a blend of kojic acid, vitamin C, collagen, retinol, turmeric and more to help fade dark spots and hyperpigmentation, balance skin's texture ... with hope to lighten my 'melasma ...

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