Keep your cool. Counteract redness with this hydrating, cooling face serum formulated with NEOSTRATA BioCalm Complex, a proprietary blend of ingredients to target blotchiness and soothe skin that is prone to sensitivity. This complex contains Polyhydroxy Acid, known to strengthen the skin's moisture barrier, with antioxidant extracts to help protect against drying environmental stressors. This lightweight, easy-to-absorb serum can be applied anytime your skin is feeling dry or reactive, like right after a workout.