The Salon in a Bottle precise airbrush nozzle expertly covers gray roots in just seconds with a nutrient-rich formula containing vitamin E, chamomile and green tea extracts. The long- lasting color is waterproof(swim-proof), smudge-proof and remains in place until your next shampoo. No ammonia, No alcohol or harsh chemicals. Darkest Brown black. Deep Espresso Browns To Black (level 1-3).50 plus applications in a bottle. The bottle typically lasts between 2-3 months