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