Powered by a high-potency 15% glycolic acid complex and the Peter Thomas Roth Even Smoother Glycolic Retinol Resurfacing Serum helps to maintain the look of visibly smooth, supple skin.1.5% microencapsulated retinol is time released to help effectively reduce the appearance of fine lines and textural irregularities overnight. A blend of hyaluronic acid, niacinamide and collagen instantly hydrate the skin to promote long-lasting moisture, while allantoin and adenosine encourage a more even-looking complexion. Skin is left with a visibly plump appearance, topped with a dewy glow.