Acyl-Glutathione Deep Wrinkle Serum by Perricone MD is scientifically formulated to deliver a smoothing effect of all expression lines and give well etched creases a shallower appearance. Formulated with highest concentrations of Dr. Perricone's patented Acyl-Glutathione to address the signs of accelerated aging that give us an overall more aged appearance. Minimizes the appearance of furrow, squinting, laughter, and feathery lines on the face, eyes and lips. Formulated with a proprietary blend of 3 peptides designed to work with Acyl-Glutathione to minimize creases, firm skin and relax facial expressions. Delivers luxurious luminosity with Vitamin C Ester. Offers a non-invasive alternative to help achieve a more youthful-looking appearance. Improves the depth of creases making them appear more shallow and less "engraved." Diminishes the etched imperfections from repetitive facial movements, specifically, laughter lines, frown lines and worry lines. Minimizes eye wrinkles and creases as well as feathery lip lines. Customer results after 4 weeks: 88% agreed their skin looked more luminous and that this is a non-invasive way to target expression lines and creases. 80% saw a smoothing of facial lines and creases by daily repetitive movement and agreed their laughter lines looked more shallow. 78% agreed their deep creases appeared more shallow and less etched into their skin. 80% said their eye wrinkles and creases looked diminished and they saw fewer creases around their mouth.