Alto Advanced Defense and Repair Serum™ Super-potent antioxidant serum that helps shield the skin against the effects of internal and external free radicals. Vitamins C and E, plus 17 additional free-radical fighters. Environmental Protection: Goes beyond Vitamins C and E to include 17 additional antioxidants. Provides broad, comprehensive environmental defense. Intrinsic Protection: New, super-potent antioxidant. Neutralizes intrinsic free radicals generated by the skin’s natural aging process. AlphaRet® Overnight Cream Significantly reduces the appearance of wrinkles in as little as four weeks, with little-to-no irritation. Provides moisture to help counteract dryness associated with traditional retinoid-based products. Combines two gold standard skin rejuvenation ingredients - a retinoid and an AHA (lactic acid) - joined together to create the revolutionary AlphaRet technology that minimize irritation