Bolden Nighttime Repair Serum exfoliates dead and damaged skin cells and boosts cell turnover to reveal a more youthful and radiant complexion. Designed to work at night when skin is in its natural repair mode, the powerful combination of 10% glycolic acid and potent antioxidants clarify and rejuvenate skin, restoring elasticity and firmness. The advanced serum formulation stimulates collagen formulation while its lightweight, silky consistency smooths on easily and is quickly absorbed. Our products are made in the United States and are always Paraben and Sulfate Free!