Prime It Boost It All Day Intensifier Base

not a review but perhaps helpful - here is a description from the source: What it is: A colorless, all-day, life-proof eyeshadow primer. What it does: It locks in your eye makeup look and enhances its results. Suitable for all skin tones, the formula not only intensifies the color of your eyeshadow but extends the wear for up to 14 hours. It's crease-proof, waterproof, sweat-proof, fade-proof, smudge-proof and transfer-resistant. How to use: Using a concealer brush or your fingers, apply a small amount of primer onto your entire lid, blending up and out. Apply eye color as desired. Pro tips: When creating a smoky eye, add a bit of primer to the lower lashline with a small precise brush before adding darker shades. This will help lock in the shadow- 0.33 oz- Paraben-free; fragrance-free- Ophthalmologist tested