This easy-to-use, no-mix gel formula comes ready to apply with its built-in applicator brush. Each application of the reusable formula conceals grays for 10+ washes. It's ammonia-free, peroxide-free, and worry-free hair color. Apply to your temples, roots, and hairline to extend the life of your color in minutes. Simply apply, rinse with water only and dry! For optimal color results, apply product to freshly shampooed, towel dried, damp hair, so it is free of product build up. This includes styling products, dry shampoos & temporary root products.