Color Gel Mustache & Beard Side Burn Mustache, Beard & Sideburns. Extra thick heavy duty gel is specially made for the coarse gray of mustaches, beards and sideburns. Really stays in place to ensure deep down color penetration. Shampoos away gray in just 5 minutes. And matches perfectly with the rest of your hair. 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. $8.29.