American Crew Precision Blend, less gray in 5 minutes. Cooler tones, moisturizing benefits, and ammonia free! Easy to mix. Equal parts developer and color. Pro Tip: Blanket coverage with a brush, great for guys who have a high porcentage of natural grey hair. Paint the color on a comb for more targeted application. Great for men who have more gray through the sides and front. Safe for the beard. Target application to the greyest areas.