Discover a natural way to darken and add shine to your ... it’s a surprisingly effectivenatural hair dye that’s cheap, easy, and doesn’t leave your bathroom smelling like ammonia.

The natural henna coating creates a barrier that prevents chemical dyes from penetrating the hair shaft. This often results in unpredictable colour outcomes, such as green or orange tints ...

You might think that natural ... red‒green axis, and yellow‒blue axis — but we have not had a technique that quantifies what is happening with the dye in the hair fibre.

Dear Miss Manners: I was born a natural ... dye it. However, that feels awkward and unnecessary. What would you suggest I say when someone asks me this very direct question? “My hair is ...