![]() While the above windows provide an initial guideline, you’ll get better results customizing the time based on factors like: Hair Textureįine or thin hair absorbs permanent color faster. More specifics in a moment on how to customize timing for your hair type. Ion notes that normal or average hair texture is assumed for these estimates. And pre-lightened hair may need 25-45 minutes to fully saturate. Go for 20-45 minutes if you’ve previously dyed or chemically treated your hair. So for untreated, natural hair, plan to leave the color on for 15-35 minutes. Pre-Lightened or High-Lifted Bleached Hair: However, keep in mind these are just a starting point since timing can vary based on your hair.Ĭhemically Treated or Color-Treated Hair: Ion provides some general guidelines for how long to process its permanent crème hair colors. ![]() ![]() Standard Processing Times for Ion Color Brilliance But leaving it on too long can over-process the hair. So to get that lasting color payoff, the dye needs adequate time to complete the processing and oxidation steps. Semi-permanent and demi-permanent dyes work differently since they only coat the outside of the hair. This is what makes permanent hair color last 4-6 weeks until the dye grows out with your natural hair. Once inside the cuticle and cortex, the molecules reform into long dye molecules that can’t be washed out. The developer acts as a catalyst to allow the color molecules to penetrate into the hair shaft. When you mix the crème color with developer, these molecules open up and become active. Ion Color Brilliance contains oxidation dye molecules. ![]() To understand proper processing times, it helps to first look at how permanent hair color works. How Ion Color Brilliance Permanent Hair Color Works In this comprehensive guide, we’ll explain everything you need to know about how long to leave Ion Color Brilliance permanent crème hair color on your hair. Under-processing can lead to uneven results or faded color, while over-processing risks damage. But to get the best results from these permanent hair dyes, it’s important to leave the color on your hair for the right amount of processing time. ![]()
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