our new philosophy multi-rejuvenating face & neck firming cream delivers the clinical strength of pure retinol you don't need to build up to, with no irritation. we address the 4 signs of aging which are gradual decline of collagen and elastin fibers, dryness and dullness. this nourishing philosophy cream smooths fine lines and wrinkles, and revitalizes your skin. 95% said skin is visibly smoother and healthier* 91% said skin looks noticeably brighter in 4 weeks* 9/10 agree makeup wear is improved¹ *based on an 8-week consumer study with 101 (¹91) women​ aged 40-65 with 2x/day application