milk_shake illuminate lightening oil is an ammonia-free formula with certified organic oils that lightens gently and evenly, leaving hair hydrated, soft, shiny and iridescent. Its formula allows optimal lightening results while nourishing and hydrating hair. Contains oils and fruit extracts for gentle protection, and won't dry or add volume to hair during processing time. Easy to mix and apply, milk_shake illuminate lightening oil is rich in emollient and emulsifying agents and offers a quick and uniform highlighting up to 4 levels.