![]() ![]() ![]() ![]() The PA number is based on the PPD or “persistent pigment darkening” test, which measures how long it takes for skin to tan or darken when exposed to UVA rays, as compared to unprotected skin. Korean sunscreens often use the PA (Protection Grade of UVA rays) system, which measures UVA exposure, as well as SPF, which measures UVB exposure.Īs you’ll see in our shopping guide below, some Korean sunscreens will say “PA” with a number of “+” signs following it. Though the approval process for functional cosmetics is rigorous, it’s streamlined so it takes less time for brands to test and bring new formulas to market.Īnother key difference is how they’re rated. ![]() In Korea, sunscreens are categorized as “functional cosmetics,” which consist of any cosmetic product that helps to brighten or firm your skin, reduce wrinkles, or protect against UV radiation. ![]()
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