Dyeing your hair at home is also super convenient, allowing for quick touch-ups here and there and color changes on a whim. The long standing belief in the industry is that box dye is bad for your ...

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. Using high-performance liquid chromatography on ...

We've found the best box hair dyes to try this spring, and they're really, really good. These semi-permanent hair dye and permanent hair color options will take your locks from color treated hair ...