Bare Minerals' Prime Time Hydrate & Glow Primer is a clean, ultra-light serum that plumps skin's hydration, boosts skin’s glow, and evens skin tone with mineral pigments for a soft-radiant finish. Dermatologist-tested and free of gluten, PEGs, parabens, and more, this primer preps skin for makeup, improves bare skin, and extends makeup wear up to 24 hours. Instantly boosting skin's hydration levels by 42%, it plumps and smooths skin for all-day hydration.