Our next-gen serum features retinal—one of the most efficacious forms of vitamin A—encapsulated in a delivery system that's adapted from technology used in pharmaceutical applications. With enhanced stability and targeted delivery deep within skin's surface, this new treatment can create transformative results by lifting neck/jowl sagging (2 weeks), smoothing deep-set wrinkles/crepey skin (2 weeks) and increasing skin elasticity (4 weeks)—all in a nourishing formula that leaves the skin supple, soft and feeling moisturized.And perhaps best of all, we have a retinoid for anyone who wants to tackle or slow signs of aging: For visible improvement on mild-to-moderate signs of aging, trust our cult-classic Retinol Youth Renewal Serum. To amp up results and corrective benefits for advanced signs of aging, reach for Retinol ReSculpt Overnight Treatment.