Bleach is a popular ingredient used to lighten hair, but it's not the only option. Here, three celebrity colorists explain ...

Henna, which enhances the colour of dark hair, is one of the ... These have a bleaching action which enhances colour in the hair, but they can cause allergic reactions. Advice: Read the ...

Henna is a plant-based dye that stains hair, skin, and nails. Unlike black or neutral henna ... can cause problems when used with chemicals or bleach. The strong stain can weaken hair strands ...