Brightening active used to help improve the look of uneven tone and visible pigmentation.
Alpha-arbutin is a brightening ingredient related to arbutin and is used to target the appearance of uneven pigmentation. It works by interfering with tyrosinase activity, an enzyme involved in melanin production, which is why it is commonly used in routines for dark spots and post-blemish marks. It is not an exfoliating acid and is usually paired with daily sunscreen for best pigmentation-management results.
Usage & cautions
Use sunscreen during the day when treating pigmentation.
Information approach
Consumer-friendly summaries are informed by established cosmetic ingredient references such as INCIDecoder and Paula’s Choice Ingredient Dictionary, while avoiding turning ingredient-level evidence into medical claims about the finished product.
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