Offering 24 hours of hydration, the MAKE UP FOR EVER Step 1 Primer Hydra Booster works to plump and illuminate the complexion. The hydrating primer helps to smooth out dry patches and texture, prepping skin for makeup application and enhancing longevity.The blurring formula combines glycerin with film-forming ingredients and spherical powders, working together to create a soft-focus effect. Creating a smooth and radiant base for your foundation, Hydra Booster makes the perfect first step in your makeup routine.