The two are similar, but not exactly alike. Permanent hair color is hair dye that will last a long time, without washing out; it needs to grow out. That's because permanent color opens the cuticle ...

Semi-permanent hair dye is exactly what it sounds like: It’s hair dye that lasts longer than temporary color, but shorter than permanent hair color. Makes sense, right? It's sort of like paint for ...

Semi-permanent hair dye is a great way to cover up grays, test drive a new hair color, or freshen up your existing color without the expense of a salon visit. Each application of semi-permanent hair ...