Best home-dyes UK 2021: the best permanent at-home hair colourants to get professional results for less
Whatever colour you choose, ensure you do a skin test 24 hours in advance (the box will contain instructions) to ensure you are not allergic - if you’ve skipped this step in the past, don’t, as PPD allergies are potentially fatal and can develop at any stage of life. Dyeing your hair When it comes to colouring, make sure you follow the box instructions assiduously. Start where your hair is greyest (if it is) and cover your roots twice as much as the lengths. If you have someone else cohabiting with you, ask for their help - especially for the back of your head.