Youthful looking skin is within reach with MEDIPEELs Retinal NMN Bounce Shot Booster. Formulated with retinal, nicotinamide mononucleotide (NMN) and niacinamide, this fast-acting serum sinks deep into skin, giving it a firm, smooth and lifted look. Apply it on targeted areas such as the under-eyes or nasolabial folds to smooth fine lines and other wrinkly areas.