Peter Thomas Roth PRO Strength Vitamin A C E Retinoid Treatment is an expert-level formula designed to reduce the look of fine lines, wrinkles, and uneven skin tone. This potent treatment combines 10% Granactive Retinoid Vitamin A with 10% Cosmin C and 5% Vitamin E to provide an age-defying trifecta. The skin-friendly bio-shell of Cosmin C helps diminish the look of uneven tone while Vitamin E moisturizes and nourishes. Formulated for nightly use, this treatment aims to leave skin looking brighter, smoother, and more radiant. Made in the USA.