See how important it is to do a hair dye patch test before applying hair dye and colouring to your hair. Truth About Colour shows you how to do this properly.
Do you think PPD is just hair dye? These facts could surprise you. See how PPD is used in Henna tattoos, brow/lash tinting and in makeup. See its multiple uses here.
View some intriguing stats on hair dye here. Did you know only 3% of women worldwide have naturally blonde hair? See more stats here from Truth About Hair Colour.