Sebium Serum 1st anti-imperfection & signs of aging ecobiological serum, Anti-blemish dermatological serum that prevents aging. The action of precisely dosed active ingredients (Salicylic Acid, Acetyl Glucosamine, Hyaluronic Acid) and FLUIDACTIVâ„¢ Technology act immediately on the visible signs and root causes of adult skin with an acne tendency