LiftActiv Retinol Specialist Serum. Our powerful formula contains 0.2% Pure Retinol to reduce wrinkles, even deep ones, for 100% of participants in our 5 month clinical study. Pure Retinol serum firms & smooths while reducing dark spots and improving radiance. Certified with Dermatologists, this product also contains peptides, prebiotic ferment and is fragrance-free, making it a top choice to transform your skin.