What It Is A foaming facial cleanser with niacinamide that removes impurities, makeup, and sunscreen residue revealing clean, hydrated, and luminous skin. What It Does Take OFF 99% of microparticles and excess sebum; leave ON hydration and soothe skin discomfort. La Mousse OFF/ON Foaming Cleanser transforms from a luxurious cream to a rich, airy foam with a subtle fresh scent. This hydrating cleanser hydrates and smooths skin, and visibly tightens pores. How To Use Take a small amount of La Mous