Madeca Vitamin 15 Glowing Serum is a high-strength brightening serum powered by a 15% Triple Vitamin Complex (3-O-Ethyl Ascorbic Acid, Ascorbyl Glucoside, Ascorbic Acid), Niacinamide, Glutathione, and the brand's TECA-CLEAR™ Centella complex to target both surface and deep melanin simultaneously — delivering a visibly clearer, more radiant, and even-toned complexion suitable for all skin types including sensitive and acne-prone skin concerned with hyperpigmentation, dullness, and uneven tone.