Significantly better faster than Proactiv, plus 4 times more powerful. With time-released 10% Benzoyl Peroxide & Retinol. Accelerates healing fast - improvement in just days. Attacks the 3 stages of severe acne formation. Stops new outbreaks 24/7. The most powerful dermatologist-preferred acne-healing medicine available without a prescription. Maximum acne fighting power. So even severely troubled skin can look clear & healthy! University Medical's Acne Free Clear Skin System, the sensational acne-fighting program used and trusted by millions, is now available in this 4-step Severe Acne Treatment system. With maximum strength time-released 10% Benzoyl Peroxide and Retinol. It has been developed specifically for people of all ages and skin types who suffer from severe on-going acne and who have tried traditional prescription and over the counter treatments without success. Exclusive time-released formula attacks the 3 stages of severe acne formation 24 hours/day; Keeps pores clear of the impurities that cause acne: dried oils, dead skin cells and bacteria. Fights acne at all points of its progression to acne lesions & blemishes can virtually disappear. Encourages even the most troubled or damaged skin to look radiantly blemish free & healthy. The 3 harmful stages of acne breakouts: Stage 1) Skin glands overproduce an oily substance called sebum. Stage 2) Dead skin cells accumulate to cause a blocked pore. Stage 3) Common skin bacteria break down the sebum & cells within the pore. This leads to the inflammation, infection and eruptions that are called acne. Severe to clear starts the next day - guaranteed!