100% Gray coverage. 100% Easy. Instantly eliminates gray. Shades calibrated to match your original color. 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. 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. What's Inside this Box? 1. Applicator with color developer: 1.3 fl. oz. (38.5 ml). 2. Color Base: 0.9 fl. oz. (27.5 ml). 3. Gloves. 4. Instructional leaflet. 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. Shade Selection Tip: If you can't decide between 2 shades, or you have a little gray, go with the lighter shade for the most natural look.