Primary Concerns Droopy, loose skin along the upper eye lid, crows feet, papery thin skin texture and dark circles. Solution Acyl-Glutathione Eye Lid Serum is scientifically formulated to tighten & firm the upper eye lid area, while smoothing creases and improving the appearance of redness and dark circles. Features & Benefits. Formulated with a patent-pending molecule, Acyl-Glutathione that replenishes. Glutathione levels Glutathione is the chief, master antioxidant that rapidly depletes with age, stress, the environment and less than optimal health; its replenishment is critical to help skin's defense against accelerated aging. Glutathione deficit shows up on the skin in the way of fatigue, dullness, severe loss of elasticity, creases, extreme loss of hydration, visible change in skin texture. Why is it Different? The first in skincare technology, an eyelid serum that topically replenishes. Glutathione to the skin, dramatically improving the accelerated signs of aging along the upper eyelid area. It works on the 360 degree orbital rim by tightening loose sagging skin, smoothing creases and tackling dark circles. Instantly enhances make-up application by acting as a primer to help make-up glide on more smoothly and improve its wear throughout the day. Light in texture and fast-absorbing with visibly instant tightening and smoothing effects. Application Protocol Dr. Perricone recommends applying directly to the eyelid, working up to the brow bone, in gentle patting motions. Apply along the lower contours of the eyes beginning from crows feet and all along under the eyes, also in gently patting motions. Allow serum to absorb for a few moments and follow with an eye cream if extra moisture is needed.