BLUVELYN is a K-beauty skincare brand focused on deep, high-concentration hydration through multiple types of low-molecular-weight hyaluronic acid. Its formulas pair a hyaluronic acid complex dosed up to 100,000ppm with ingredients like Iceland glacier water, and are designed to be gentle and suitable for sensitive skin. The signature lineup spans hydrating boosters, serums, soothing creams, and cleansing oil built around the same hyaluronic acid core.