Redken Shades Eq Demi Permanent Hair Color Gloss - Shades EQ Gloss is an Acidic Demi-Permanent Hair Color used to gloss, tone, and refresh color. -Use to enhance, enrich, change, match, tone down or intensify natural or color-treated hair -Tone pre-lightened or highlighted hair -Refresh and renew faded mid-shaft and ends -Restore color to highlights -Correct uneven, brassy, or overly vibrant colors -It is best to use an acidic demi permanent color after lightening hair as it offers gentle processing for outstanding condition and shine! -With Shades EQ, there is no need to worry about banding or harsh regrowth as acidic color does not lift.