JJ Labs is so sure you'll absolutely love our product that we offer a 100% satisfaction guarantee or your money back! Made to Order! We make all of our products fresh right after purchase and ship same or next business day so as to provide you with the freshest serum!*** We carry five different strengths for different skin types: Vitamin C 10%- For sensitive skin, Vitamin C 15%- For dry skin, Vitamin C 20%- For all skin types, Vitamin C 25%- For oily or mature skin or skin with clogged pores, and High Potency Vitamin C PH 4.5- For extremely sensitive skin (those too sensitive for pH 3.5 Many leadings scientists highly recommend applying vitamin C onto the face daily to protect against premature aging. Vitamin C has many other beneficial properties, including being one of the few ingredients that has a scientific base to show that it reverses signs of aging for your skin. Vitamin C (L-Ascorbic acid) has been shown to stimulate collagen, decrease wrinkle depth, and have lightening effects on pigmentation. Hyaluronic acid, also known as HA, is a natural compound found in skin that has many important functions, including holding in moisture, providing cushioning, aiding in tissue repair, holding together the skin structural components collagen and elastin, and helping create a protective barrier against microorganisms. Vitamin C Serum 20% with pure hyaluronic acid (HA) is effective at moisturizing skin cells, which prevents water loss and protects the skin from dirt and other pollutants. HA delivers AND holds water into the skin. Hyaluronic acid based products are considered extremely safe.. We keep our product for topical use only so as to reduce the chances of this! Repeated use of hyaluronic acid will maintain moisture levels in the skin, preventing skin dehydration. Many scientists highly recommend applying vitamin C daily onto your face to protect against UV-induced cell damage. Vitamin C has many other beneficial properties, including being one of the few ingredients that has a scientific base to show that it reverses signs of aging for your skin. Our Vitamin C serum helps to stimulate skin’s own rate of natural exfoliation for a radiant look and feel. The loss of natural hyaluronic acid is one of the most common causes of wrinkles, so the idea of putting HA back into the skin to repair wrinkles makes sense. Our Vitamin C Skin Serum 25% reduces and removes wrinkles and lines! Vitamin C 15% Serum with pure hyaluronic acid gives fullness to the face, eases wrinkles and fine lines, aids in collagen formation, increases skin elasticity, and leads to smoother, firmer skin. It is recommended for all skin types. UPC 700371410506 ASIN B00AOS5AC6 Item Form Serum Skin Type All Brand Name JJ Labs Scent Name 16oz Unit Count 1.00 Fluid Ounces Item Weight 16 Ounces Manufacturer JJLabs Material Features Natural Active Ingredients hyaluronic_acid, vitamin_c Special Ingredients collagen, hyaluronic_acid Target Use Body Part Face Manufacturer Part Number VitC15.16 Recommended Uses For Product Provides Vitamins,Anti-aging