Lab Muffin Guide: What’s in a moisturiser?
(Roger McLassus) We all know what a moisturiser does (it moisturises, duh!) – but what exactly goes in one, and how does it work? Skin dryness is, quite simply, when your skin loses too much water (the technical term is transepidermal water loss, or TEWL). Moisturisers are used to slow water evaporating, and restore the original soft texture and look …