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Brightening

Kojic Acid

whitening-grading-trend
Brightening
INCI: Kojic Acid
In short · TL;DR
Category
Brightening
Effect
Melanin production suppression. MHLW-approved quasi-drug active ingredient (brightening)
Concentration
1-4%
Effect
Melanin production suppression. MHLW-approved quasi-drug active ingredient (brightening)
Mechanism
Chelates copper ions at the active center of tyrosinase, inhibiting enzyme activity. Discovered from Japanese brewing technology
Typical concentration
1-4%
Onset
Brightening: 8-12 weeks
Cautions
Unstable to light. Prone to discoloration from oxidation
Evidence & references
MHLW-approved brightening active ingredient. Long history of use
Journal

Related Journal

3
The World of Fermented IngredientsWhat's so good about fermented skincare?The World of Fermented IngredientsLactobacillus, yeast, and koji — types and differences of fermented ingredientsSkin Longevity SeriesGrading the Buzzwords of Brightening Skincare
This page is reference information and does not guarantee efficacy. Figures vary by test conditions (in vitro / manufacturer / concentration). It does not indicate pharmaceutical efficacy.
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