REN Anti-Redness Serum calms irritation, combats redness, and boosts skin tolerance. It keeps skin looking younger for longer, and trains skin to be less reactive. The Milk Polypeptides and Beta-Glucan calm and strengthen the skin, while also soothing redness and irritation. Ren sticks by their 5 principles: Right attitude, right ingredients, right environmental impact, right product experience, and right science. They use only 100% mineral and plant derived actives and are free from synthetic ingredients. Zero of the products are tested on animals. REN uses the latest technology to restore and enhance your complexions natural radiance.