COSRX Advanced Snail Radiance Dual Essence is an advanced hydrating serum formulated with 74.3% Triple Snail Complex and 5% Niacinamide to deeply nourish, replenish, and brighten dull, dry, and uneven skin. Powered by snail secretion filtrate, black mucin, golden shell mucin, and Vitamin B3, this lightweight dual essence helps improve skin complexion, boost natural radiance, and visibly reduce dark spots while supporting long-lasting hydration. Its fast-absorbing formula helps smooth uneven texture and strengthen the skin barrier for healthier-looking skin. COSRX Advanced Snail Radiance Dual Essence is ideal for glowing skin routines focused on hydration, skin repair, brightening care, and achieving a luminous complexion.