You can. The only consideration must be that natural white and grey hair is very coarse and stubborn. So, if you use a blush tone on such a natural hair type, or any Colour Restore shade, it might be too gentle to get inside the hair. Therefore, if you do have natural grey or white hair and want to create the Candy shade, it is important you firstly clarify the hair several times before application. This will make the natural white hair more porous and prone to absorbing the Candy shade. Next (and after application), wrap the hair loosely in clingfilm. Wrapping the hair in clingfilm (whilst the colour is developing) will trap heat next to the scalp and cause the cuticle to rise, enabling the colour to enter the hair.
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