What is a direct dye? Semi-permanent material? Demi-Permanent?
When it comes to colorization, you hear a lot of words being used to refer to hair color, but what do they mean? Direct dye Another term you can hear is "direct dye hair color". The saying is that the dye does not use the developer and works by putting color on the hair. Does it look familiar? This is probably because it is a semi-permanent color. Temporary color also fits this definition, but...