Obagi Retinol + PHA Night CreamObagi Retinol + PHA Night Cream is a refining overnight treatment designed to smooth, clarify, and visibly renew the skin. Combining slow release entrapped retinol with gentle Polyhydroxy Acid (Gluconolactone), it supports cell turnover while refining tone and texture. This dual action formula also includes eight nourishing ingredients to help maintain hydration and comfort throughout the night. Suitable for most skin types and skin expert