Perricone MD Essential Fx Acyl Glutathione Deep Crease Serum For your skins smoothing needs , Essential Fx Acyl Glutathione Deep Crease Serum is highly potent with a silky, luxurious texture that absorbs quickly to smooth the look of even the most stubborn, Perricone MD Essential Fx Acyl Glutathione Deep Crease Serum 1.01 fl oz (Pack of 1) Perricone MD Essential Fx Acyl Glutathione Deep Crease Serum 30ml (1floz) USA Perricone Md Essential Fx Acyl Glutathione Deep Crease Serum One Color Editorialist