Carter Beauty by Marissa Carter Half Measure Dewy Foundation in Truffle glides onto the skin with its hydrating, water-based formula. The light texture provides such a dewy finish, you forget it’s even on. The dewy glow gives an illusion that you’re bare-faced, with flawless skin. Truffle is suitable for medium skin tones with olive undertones. Half Measure Dewy Foundation is buildable for light to medium coverage.