Toning haircare range Redken Color Extend Brownlights shampoo and conditioner (£18 and £19.50, lookfantastic.co.uk) use blue and green tones to eliminate brassiness and unwanted warmer tones. We found ...

Hair toner—ever heard of it? If not, you're in good company. Even though stylists consider toner to be an essential, final step of a hair coloring appointment, it remains a mystery for many of us—even ...