YSL Pure Shots Full size Light Up Brightening Serum with additional travel size bottle. 30ml and 7ml. An illuminating serum that instantly brightens and improves skin tone by reducing the look of dark spots and discoloration for a luminous, even-looking complexion. For all skin types. Brightness and tone. Get your daily dose of brightening care with this lightweight, fast-absorbing serum infused with vitamin Cg and marshmallow flower to help combat environmental stressors and the damaging effects of free radicals. The hydrating antioxidants reduce the look of discoloration. Key Ingredients - Vitamin Cg helps improve the look of discoloration and brighten the look of skin. - Marshmallow flower is a hydrating antioxidant that delivers essential vitamins and contains anti-inflammatory properties to soothe irritation and redness.