Founded in 2013, COSRX (short for “Cosmetics + RX”) is a beloved Korean skincare brand known for its science-backed, no-frills formulas. Focused on real results for acne, sensitivity, and uneven texture, COSRX creates gentle yet effective products like the Snail Mucin Essence and Pimple Master Patch — making it a global go-to for problem-solving skincare.