This invisible top coat by bareMinerals makes mascara waterproof for lasting, locked on wear. Made with black diamond, amethyst, sapphire and ruby, this luxe mineral rich formula locks in your perfect lash look while the ultra fine bristles of the moulded brush evenly coat each lash without altering your mascara application.bareMinerals Locked & Coated waterproof top coatApplication: Apply one coat over your favourite mascara. Just one swipe is enough to seal the dealTip: Use on brows for the same effect. 7.5ml. Locked & Coated waterproof top coat