EyeSeryl is Acetyl Tetrapeptide-5, a peptide booster used at 1 to 10% in eye formulas for the look of smoother, less puffy under-eyes.
This is a formulation ingredient, not a finished serum. Do not apply it undiluted.
What is in the bottle INCI: Glycerin, Water (Aqua), Acetyl Tetrapeptide-5
Three ingredients. Supplied as Solution G, p