The REN Clean Skincare Evercalm Redness Relief Serum is a fast-acting, lightweight, and hypoallergenic serum clinically proven to reduce the visible signs of redness and soothe sensitive skin, including dryness, itching, and discomfort. It is formulated with calming white mushroom extract and an antioxidant complex to strengthen the skin's moisture barrier and protect against environmental aggressors.