Which Korean “brightening” ingredients should I choose?
In Korea, “미백 (brightening)” is a functional cosmetics category, with niacinamide and arbutin among its representative ingredients. The system differs from Japan’s quasi-drug system, so how to read product claims is also a little different.
Commonly seen ingredients
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Rather than choosing based only on a “brightening” claim, it’s a good idea to narrow down ingredients based on the appearance concerns you have and how prone you are to irritation. A Korean functional cosmetics claim is an indication that the product has been reviewed or reported under that functional category; it does not mean it follows the same system or standards as Japan’s quasi-drug system. Also check the ingredient list (전성분).
If you’re trying something for the first time, niacinamide is relatively easy to incorporate. Arbutin is another option for people concerned about uneven tone. When choosing vitamin C, look beyond just “비타민C” and check whether it’s ascorbic acid or a derivative, as well as the concentration and formulation. Tranexamic acid is also found in Korean cosmetics, but check how it is formulated and labeled in each product.
Don’t start several types at once; begin with one product, using a small amount and applying it infrequently. Without SPF during the day, it can also be harder to see results from addressing uneven tone. Stop using it if stinging or redness persists, and see a dermatologist if a concerning change appears suddenly. Any of the options in the poll should be easy to choose, but it may be helpful to include the concentration and frequency when sharing your experience.