High lift range is designed for root touch up, virgin hair blonding Designed for fine hair types. Not designed to remove old colors or damaged hair. This will cause more damage and breakage Mix and apply to dry hair immediately develop time is 20-30mins. Could be extended for areas not on the scalp For very resistant hair type/ very orange undertone, a pea size of permenent black dye can be added to your mixture to boost toning power. Professional use only Important: Do not apply to damaged, irritated skin. Do not apply over henna/metallic hair dyed hair. Not to be used on weak, damaged, previously permed hair. Do not apply high heat to colored hair. Heat will burn some color off. Brazilian treatment will effect color deposit