Ah, festival season. The time to dress as the best version of yourself, put on your dancing shoes (AKA your comfiest sneakers) and... look and smell very, very questionably in the process. But it doesn't have to be that way. Arming yourself with wet wipes, dry shampoo and an intimate knowledge of the below video should keep you presentable(ish), from the opening act to your Monday-morning return to civilisation.