How to use 20 vol lifts 1-2 levels MAX on pre-lightened hair Mix 1:1 ratio and apply immediately Processing 20-45min, and for grey coverage, develop for 45-60mins, starting from the most grey area Discard any product that are already mixed Do not apply on eyelashes, eyebrow etc Rinse immediately when irritation occurs A Chromaplex, Olaplex additive is highly recommended for all oxidising tints Important: Hair dye does not lighten previously coloured hair. Hair dye does not remove other hair dye. When applying directly after bleaching, perm or any other chemical processing, be sure to shampoo the hair 100% clean before application. Otherwise the residue will "burn" off the new colour. Do not apply high heat to colored hair. Heat will burn some color off. Brazilian treatment will effect color deposit