Peter Thomas Roth Peter Thomas Roth Even Smoother Glycolic Retinol Resurfacing Serum 1 fl oz $65.00 Transformative results overnight and over time provided by Glycolic Acid and Retinol facial serum. This nightly resurfacing serum aids in achieving and maintaining the look of radiant, smooth, and hydrated skin. Improve the look of clarity,... Add to Cart Add to Wish list Compare