This facial serum is formulated with a unique blend of Succinic Acid, Lactic Acid, and Salicylic Acid. Clinically proven to reduce sebum excretion, dead skin cells, blackheads and whiteheads, debris inside pores, uneven skin texture, and increase skin radiance and hydration retention. Fix everyday skin concerns with a one-minute cleansing routine. The highly concentrated acid complex dissolves acne-inducing dead skin and excess sebum from deep within pores, leaving your skin polished and healthy-looking. The serum is developed with Medicube's patented soothing ingredients (Hydra CalmTM & Derma-CleraTM) to minimize irritation and is safe for acne-prone and sensitive skin. Before using the product, perform a patch test on the forearm or behind the ear. Apply 2 drops to face, leave for 1 min, gently massage, rinse with lukewarm water. Use once/twice a week, increase gradually. Perform patch test for sensitive skin. Enjoy healthier, glowing skin in just 1 min Everyone has skin concerns. But not everyone finds the right solution. By working with dermatologists, we research the most effective formula and develop using the best ingredients.