Acetyl Tetrapeptide-5 is a white to cream coloured powder. The active ingredient is used to treat lachrymal sacs and dark circles under the eyes. It stimulates cell metabolism, improves skin elasticity, reduces puffiness and water retention in the eye area and makes the skin supple. Acetyl tetrapeptide-5 inhibits collagen glycation avoiding skin losing elasticity and subsequent eyebags formation . Acetyl tetrapeptide-5 prevents liquid accumulation in eyebags . Acetyl tetrapeptide-5 shows a slight lightening effect which decreases dark circles under the eyes Use level: 0.01 %, maximum 0.1 % (water soluble).