Clearer skin in just 3 days - Guaranteed. Clearasil Ultra fights pimples fast. With a breakthrough, clinically proven, acne-fighting formulation, Clearasil Ultra's next generation facial scrub fights your acne fast giving you clearer skin in just 3 days guaranteed, or your money back. Clearasil's Dual-Action Formula: Penetrates deep to fight acne; Controls oil for a shine free finish.