Changing your hair color is a way to completely alter your ... So it’s a very good thing L’Oreal’s put some guardrails on the Colorsonic. It’s not a one-stop dye machine.

Designed to remove unwanted brassiness and yellow tones from lightened hair, a purple conditioner like L’Oreal’s Professional ...

Bettencourt Meyers’s grandfather founded the Paris-based L'Oréal in 1909 to make and supply hair dye to local hairdressers. Over 100 years on, it’s become a global brand with a nearly €180 ...