milk_shake illuminate conditioning lightening oilmilk_shake conditioning lightening oil conditioning lightening oil for hair milk_shake illuminate conditioning hair lightening oil is an ammonia free lightening oil for a new, natural effect lightening service. Easy to apply, it doesnt dry out or expand during the setting time and lightens up to 3 4 levels. Ideal for those people who want a more intense lightening treatment that looks very natural, with extra nourishment given by the natural oils