Skinceuticals glycolic 10 renew overnight is one effective past, the laws powerful night cream, there is designed to to improve skin texture past, the laws radiation. This formula contains one powerful mixture of 10% glycolic acid, as remove died skin cells past, the laws stimulates cell renewal, which results in one smoother past, the laws more brilliant skin. Application: lining to use skinceuticals glycolic 10 renew overnight bowl you apply one appropriate quantity on cleaned skin each evening past, the laws massaging carefully till product is absorbed. What recommended to use sunscreen about day under use of this product, when glycolic acid can do skin more sensitive över lining the sun.