I have been trialling glycolic acid for most of 2019. I have used up peel pads from L'Oreal, Nip and Fab, Dr Dennis Gross and Lacura. And acid toners from Pixi, Alpha H, Lacura, Ren, Superdrug, Nip and Fab and The Ordinary. The pads are very easy to use. You wipe one pad over the whole face after cleansing, avoiding…