If you want to cover up pimples, birthmarks, or other unwanted things, then a concealer is the way to go. This concealer has no parabens, a preservative commonly used in makeup.
Mac Studio Fix 24-Hour Smooth Wear Concealer, 0.23-oz. - NC (medium beige/golden undertone)
Ecosmetics
Studio Fix 24-Hour Smooth Wear Concealer - NC40 (medium beige w/ golden undertone for medium skin)