Discover the new garnier light complete vitamin c 30x booster serum, our most concentrated brightening formula with the highest-ever 30x* vitamin c & japanese yuzu lemon. This fast absorbing serum works deep** to lighten dark spots and acne marks. With regular use, skin is smoother, brighter, more translucent. *vs day cream ** up to epidermis layer. Usage day and night, spread evenly on perfectly cleansed face and neck, before using your daily moisturiser. For best results, use with garnier light complete whitening serum cream.