PCA Skin Anti-Redness Serum is a product that is a combination of many different types of ingredients that combats redness on all of the skin and tries to soothe any reactiveness. This product has been clinically tested for many years on different skin types and different redness conditions. The ingredients in this serum help keep the skin nourished, moisturized and soothed; help replace dead cells at a rapid rate and increase new cell production, keeping the appearance of the skin to look younger, more radiant, even-toned and soothed. The skin is also nourished and hydrated. With regular use, the redness eventually disappears.