If you live in a humid climate, or you exercise or swim a fair amount, or you just need a long-lasting mascara, Longcils Boncza Waterproof Mascara is an excellent choice for you. The Longcils Boncza Waterproof Mascara has two key features: Conditioning and lengthening. Its waterproof texture combined with the precision of an exclusive brush extend lashes for a lavish look that lasts all through the day. Although the formula is water resistant, it is still gentle enough for sensitive eyes and is easily removed with waterproof liquid make-up remover. Vinyl byproducts help separate your lashes by covering them with a transparent film. Mineral oils act as a solvent providing maximum waterproofing properties and to help the mascara dry quickly. Vegetable oils strengthen your lashes.