Our retinal—one of the most efficacious forms of vitamin A—is encapsulated in an exclusive delivery system for enhanced stability and targeted delivery deep within skin’s surface, allowing for 2.5x more effectiveness (vs. free retinal)—while still being gentle on skin This retinal is encapsulated for enhanced stability and targeted delivery deep within the skin's surface, allowing for 2.5x more effectiveness while still being gentle on delicate under-eyes and lids. @murad LTKFindsUnder100 LTKBeauty