ATZEN Vita C Serum Na Ascorbyl Phosphate (Vitamin C): 4 actions: exfoliates, repairs, lightens, &amp; antioxidant. Is stable &amp; recognized better by the skin than other vitamin C forms such as L-Ascorbic Acid. Delivers pure vitamin C 50 times better. Increases collagen regeneration &amp; lightens hyper-pigmentation by reducing melanin synthesis (that gives the brown color or spots to the skin). Is a gentler version tolerated by sensitive skin &amp; around the eyes.  Vegan Biosaccharide Gum-1 (Polysaccharide from Plants) [Fucogel]: Hydrating for 14+ hours; leaves a non-comedogenic moisture binding film on the skin that increases the moisture level significantly starting 2 hours after application; this is the opposite of other moisturizers that decrease their moisture retention as hours pass. Skin looks fresh &amp; feels comfortable late in the day. Is soothing &amp; makes the skin silky-smooth. Vegan Step 1: cleanser. Step 2: toner. Step 3: serum and/or corrective product. Step 4: moisturizer. Step 5: sun block.