Supercharged with 15% advanced, ultra-stable vitamin C, Sunday Riley’s C.E.O. serum instantly boosts skin brightness and combats discolouration at the source, and it's cruelty-free, too. The oil-soluble formula absorbs quickly into skin, with hydrating antioxidants to refine texture, even out skin tone and restore radiance.| Sunday Riley C.E.O. 15% Vitamin C brightening serumApplication: apply one to two pumps to clean skin, morning and nightSkin type: suitable for all skin types30mlFor hygiene reasons, this product cannot be exchanged or refunded, unless faulty.