100% Gray coverage. 100% easy. Instantly eliminates gary. Shades calibrated to match your original color. 5 Min. Won't wash out - Lasts up to 8 weeks until gray grows back. Single application haircolor kit. Natural-Looking Results: 100% natural look. Formula blends with your original hair color for perfectly professional results. Fast & Easy: Pour color base into applicator bottle. Shake & apply. Follow all instructions on enclosed leaflet. Long-Lasting: Will not wash out. Lasts up to 8 weeks until the gray grows back. Strong & Fuller, Healthier-Looking Hair: With keratin, olive oil and vitamin E. No ammonia. World's leader in men's haircolor. Color Results: Here's what you can expect your color to look like based on the amount of gray you have.