Developlus Cover Gray Developer 8oz

Cover Grey is a specially formulated developer to cover even the most resistant grey hair. The secret is in its unique ability to reduce the surface tension of the entire color mixture. This unique process allows color molecules to cling to the hairshaft and provides a deeper penetration of color. The end result is solid grey coverage from root to end. Hair so resilient and so healthy it holds on to color pigment longer than ever before possible.