It is an easy to use system that delivers beautiful color with unsurpassed condition and shine. #1 Ammonia-Free, long-lasting, acidic, liquid demi-permanent haircolor. Shades EQ can be used in many ways including to enhance, change or increase the color intensity of natural haircolor. Redken Shades EQ Demi-Permanent Equalizing Haircolor Conditioning Gloss is long-lasting, no-lift, non-ammonia, demi-permanent haircolor in America.