Instead, these are hair dyes uniquely formulated for graying and meant to return you to your previously natural color.

Opt for the latter, in the shade Pony, for a vivid electric violet or mix with plenty of conditioner for a paler lilac cloud of colour. It works best on hair that’s pre-bleached platinum ...

Our top 5 picks for the best shampoos for color-treated hair Revitalize ... Neutralize brassy tones in your blond hair with this ultra-violet purple shampoo from luxury brand Shu Uemura.

Small amounts of purple, violet or lavender pigments are deposited onto the hair, restoring it to its cool-toned best. If you want to keep your colour at its coolest, you can use your purple ...