As with Colour Restore Chocolate, Caramel cannot cover grey, but it can mute the first signs. So, if someone has a few scatterings of white hair, it is a great product to use to blend out and camouflage early white. However, if someone has very white or heavily grey hair, my recommendation would be to cover this white hair with a flat 8.0 Light Blonde permanent colourant and then use Colour Restore Caramel as a regular treatment. With this method, the 8.0 Light Blonde shade will create a solid permanent (lighter) base and give full grey coverage. However, using Caramel will then introduce gold tones and produce that desired Caramel of soft biscuit shade.