What it is: A microprecision brow pencil refill designed to fit inside your Brow Cheat Brow Pencil cartridge, sold separately.What it does: With a blend of waxes and powders that provide a natural finish, this pencil mimics the effect of real-life tiny hairs. It contains carnauba wax, which gives stretch and elasticity to your brow hairs for smooth and creamy application, and microcrystalline wax, which gives the pencil an easy-to-use blendable texture that glides on. Pure pigments create natural-looking color with depth and no ashy undertones. How to use: To refill your pencil, hold the middle of the refill and insert and twist into the cartridge until it locks into place. To use Brow Cheat, brush your brow hairs upward to reveal your brow shape. Then, use the microprecision pencil to fill in your brows and brush through. Refill only; cartridge sold separately Paraben-free; sulfate-free Leaping Bunny-certified for a commitment to cruelty-free testing