Calm redness, fast. Teprenone, the key active ingredient in Calmwise Serum, has been found to visibly reduce red, reactive skin in just 1 month. The soothing formula is designed specifically for sensitised skin, so is non-irritating, fragrance-free and paraben-free. The silky serum absorbs into the skin quickly, leaving behind a naturally glowing and hydrated complexion. Suitable for all skin types, the lightweight serum is non-comedogenic and won�t aggravate acne, making it a fantastic serum to calm the redness associated with blemishes.