How often can I use?

After creating the colour with intensive treatments, I recommend Cool Ash be used as a two-minute conditioner after each shampoo. I also recommend such consumers only use blue toned shampoos to cleanse their hair moving forward. As explained above, Cool Ash must work as a neutraliser to any underlying orange tone. Therefore, by continually introducing the ash pigments to the hair, it will retain an overall cool-ash shade.


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