Sigma's Prime + Control Brow Wax is a smooth and workable wax that expertly preps and primes brow hairs for the next steps in your routine. Step one in enhancing your brows, the wax glides smoothly on with its sleek, retractable tip, prepping and priming hairs for additional product application. Using wax before your regular brow products will help to amplify colour payoff for a more defined and striking eyebrow look. Doesn’t darken powder when placed on top.