What it is: A makeup primer that boosts skin's hydration and radiance for up to 24 hours while extending makeup wear. Who it's for: All skin types, especially dry skin. What it does: Hydra Booster instantly refreshes dry or dehydrated skin. Its rich, creamy formula features ginseng, glycerin and glycols to boost skin's hydration and radiance for up to 24 hours, while the invisible wear extends makeup. How to use: Use alone or over your skin care.