Trionics Gray Be Gone 17 Volume Developer is an enzyme developer formulated for optimum coverage on gray or salt & pepper hair where hair is at least 20 to 50% gray. It's excellent for gray coverage. Works like a 17 volume developer.

Please follow manufacturer's packaged instructions.

-An enzyme developer formulated for optimum coverage on gray or salt & pepper hair where hair is at least 20 to 50% gray
-Works like 17 Volume developer

An enzyme developer formulated for optimum coverage on gray or salt and pepper hair.