Skin EssentiA kit #5 is the third step moisturizer in the AVST step-up system and contains the highest concentration of vitamins A and C. This light moisturizing cream contains a variety of antioxidants, peptides and moisturizers that leaves your skin feeling revitalized and refreshed with a more youthful appearance. Additional vitamin C is added to the moisturizer by including Environ c-boost to your regimen, improving the overall radiance of the skin, and appearance of a more refined tone. Skin EssentiA 5 is the moisturizer that consumers should aim to use for the best in skin care.