Tranexamic acid in skincare: the tone-evening ingredient K-beauty loves
Tranexamic acid shows up in many Korean brightening serums and toner pads. In cosmetics it is used to help skin tone look more even, often next to niacinamide.
Often found together
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Tranexamic acid (often listed as TRANEXAMIC ACIDorTXA) is a useful option for the look of uneven tone, especially when a formula pairs it with niacinamide. It’s not an exfoliating acid, despite the name, so don’t expect the tingle you might get from AHAs or BHAs—and tingling isn’t a sign it’s working.
Formulas vary, and the percentage isn’t always disclosed. I’d focus on whether the product feels comfortable and is easy to use consistently rather than chasing the highest number. Introduce one new brightening product at a time, patch test if you’re reactive, and wear broad-spectrum sunscreen during the day; sun exposure can make uneven tone more noticeable. If pigmentation is new, changing, or concerning, a dermatologist should take a look rather than relying on cosmetics alone.