Skintific Gentle A Retinol Renewal Serum ingredients explained: Aqua, Butylene Glycol, Glycerin, Diethoxyethyl Succinate, Retinol, Retinal, Dimethicone/Vinyl Dimethicone Crosspolymer, 1,2-Hexanediol, Hydroxypinacolone Retinoate, Niacinamide, Propanediol,