The Skin Nerd: Exfoliation nation - no more need to grit and bear it

Those who are serious about skincare know that exfoliating acids are nothing new. In fact, Cleopatra herself may have been aware of chemical exfoliation, bathing in lactic acid rich milk.

Acids are having a bit of a comeback at the moment in the world of skincare, with many beginning to ditch their scrubs and opt for toners, tonics, cleansers and masks that do the hard work for them. But why are acids and chemical exfoliants preferable to other modes of exfoliation?