What it is: Joico Lumishine Volume Cream Developer What it does: Discover the "Joi" of healthy color! Joico LumiShine Repair+ Color transforms hair from the inside out with breakthrough ArgiPlex Technology delivering healthy-looking long-lasting color results with up to 2X more shine + 100% gray coverage guaranteed! What else you need to know: Nourishing protection that seals in moisture softness and shine for up to 30 full shampoos.