Obagi Obagi Retinol + PHA Refining Night Cream 1.7 fl oz $135.00 Gentle Retinol + PHA Night Cream for Smoother, Radiant Skin Restore smoother, more refined skin while you sleep with the Obagi Retinol + PHA Refining Night Cream, a gentle yet effective formula that combines retinol with gluconolactone (PHA) and... Choose Options Add to Wish list Compare