Enjoy all the benefits of Vitamin C without worrying about irritation or redness. Sodium Ascorbyl Phosphate is non-irritating and gentle, making it perfect for those with sensitive skin. At 20% concentration, our serum is one of the strongest on the market, featuring the most active bio-available form of Vitamin C for rapid absorption. In addition to its healing properties, brightening effects, and triggering collagen boost, it also helps to protect the skin from environmental pollutants and free radicals, leaving it looking healthy and glowing.