COSRX is a popular Korean skincare brand founded in 2014, offering simple yet effective products for various skin concerns. They focus on gentle formulations free from harmful ingredients and utilize natural ingredients like snail mucin and hyaluronic acid to nourish the skin. Best-selling products include the Advanced Snail 96 Mucin Power Essence and the Low pH Good Morning Gel Cleanser. The brand has garnered a loyal following worldwide for its straightforward approach to skincare and visible results of their products.