COSRX is a popular South Korean skincare brand known for its minimalist formulas that focus on high concentrations of effective, skin-friendly ingredients. The name is a combination of Cosmetics and Rx (prescription), reflecting their solution-based approach to common skin concerns.

The brand gained global fame for its Advanced Snail Mucin line, particularly the Advanced Snail 96 Mucin Power Essence, which provides intense hydration and healing. COSRX also offers specialized lines for acne (like the Acne Pimple Master Patch), sensitivity, and various actives like Vitamin C, Retinol, and Peptides, all aimed at delivering visible results with minimal irritation.