Get glowing with e.l.f. Cosmetics SKIN Holy Hydration! Thirst Burst Drops – a multi-use hydrating gel serum designed to boost moisture and reveal a dewy, radiant complexion. Infused with 1% hydrating hibiscus complex, 5% brightening niacinamide, and hyaluronic acid, this lightweight, non-greasy formula plumps and smooths skin instantly and over time.