24 Hour Brows by Christian Faye. A revolutionary water resistant clay based eyebrow powder that can be used to create defined, yet natural, brows in seconds. Lasting up to 24 hours this clay based eyebrow powder adheres to the skin, filling in and transforming sparse, thin and pale eyebrows. Christian Faye eyebrow kits are a great alternative to dye-brow tattooing and microblading for a quick and easy application at home with brows that last up to 24 hours. These easy to use kits make a great retail product in your salon.