Pack of 2 for the UPC: 309978695462 Ammonia-free permanent hair color. Uses All beautiful colors - no gray. That's what you get with ColorSilk. Because Revlon's deep-conditioning color technology penetrates every strand for beautiful, even color from root to tip. While rich conditioners nourish hair inside and out. Your hair is silkier, shinier, healthier-looking - in better condition than before you colored. 100% gray coverage - covers even stubborn grays. Ammonia-free for maximum gentleness. Natural, stay-true color resists fading.