Retinol + PHA Refining Night Cream works overnight to help refine skin texture and tone while reducing the appearance of blemishes, fine lines, and wrinkles for a visibly resurfaced, smoother, clearer, and more even-looking complexion in just 4 weeks*. Formulated with Entrapped Retinol powered by slow-release technology for optimized delivery into deeper layers of the skin to encourage skin cell turnover, and Polyhydroxy Acid (Gluconolactone) to provide gentle yet effective exfoliation on the surface of the skin, plus eight nourishing ingredients to keep skin hydrated, this overnight cream has the unique ability to help renew and enhance the appearance of your complexion. Clinically proven to: Visibly improve skin smoothness by 29%.* Visibly improve skin tone evenness by 10%.* Be well-tolerated by the skin.* *Results based on a 2024 -2025 8-week clinical test. Data on file at Obagi Cosmeceuticals LLC.