Permanent gel coloration gel.
XL 150: amount of extra-large mixing.
Pure Colors tones are specially designed for neutralization or intensification techniques. They can also create fancy effects in discolored backgrounds.
It is recommended to always use Revlon Professional Cream Peroxide. It depends on the pitch height, respect the ratio (Revlonissimo + Pure Colors = 60gr) + 1 1/2 of Cream Peroxide (90gr)
Example: 48 gr of Revlonissimo 6.65 + 12 g of Pure Colors 600 = 60gr. + 90 gr. Of Cream Peroxide.
In case of more than 30% of white hairs, use in roots not advised.