Color Base (0.5 oz/14g); Developer (0.5 oz/14g). Targets only the gray for a subtle, natural look. Gray Target Technology: Grecian 5 Gel targets only the gray hair - replaces it with subtle tones, like your own natural color. And matches the rest of your hair perfectly. Thick, heavy-duty gel shampoos away gray in 5 easy minutes. It's specially made for the coarse gray of mustaches, beards and sideburns. Really stays in place to ensure deep down color penetration. Made with natural ingredients. This gentle formula contains aloe and wheat germ oil. And there's no harsh ammonia! Lasts up to 6 weeks. Won't fade out - won't wash out - no matter how often you shampoo. Special conditioners leave mustaches, beards and sideburns less bristly, softer. If you're not sure which shade matches your natural color, try a lighter shade rather than a darker one.