WHAT IT IS
A nourishing lash primer that seamlessly amplifies the effect of all YSL mascaras.

WHAT IT DOES
Take lashes to the next level with our Flash Lash primer, YSL’s first mascara base and secret ingredient for eye-catching flawless lashes. The Flash Primer’s pink formula dries down clear on lashes and creates added length and volume for mascara to adhere to. Application of this primer is clean and seamless thanks to the unique brush technology of the elastomer comb. Achieve the ideal full fan effect as this lash primer creates unrivaled length, curl and standout volume. Enhance the effect of any YSL mascara with YSL’s newest best-kept secret.