What it is: The first CC primer by YSL instantly color corrects and boosts your skintone's unique glow. Flawless skin diffuses pure light. What it does: The pigmented lightweight primer targets color and skin imperfections. Based on your skintone, the primer color-corrects irregularities, diffuses light and improves skin texture: pores are minimized, imperfections reduced. Skin appears exceptionally radiant and flawless. Use under foundation or alone. To maximize radiance, use with YSL Le Teint Touche Ecl