is generally considered safe. This is because the quantity of chemicals present in hair dyes that are absorbed by the body is ...

If you want to dye your hair after using henna, avoid products with metallic salts to prevent further damage. The Bottom Line Henna can work wonders when used correctly but requires caution.

but experts tentatively agree that it is safe to dye your hair while you're pregnant, especially after the first trimester. Plant-based dyes such as henna or other all-natural hair dyes cut down ...

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