Tools Consultations Our Skin Care Brands The L'Oreacuteal Paris Infallible Grip 30H Precision Felt Liner is a slim pen design with a fine 0.4 millimeter tip. It features a sleek rubber grip, similar to the grip of a mechanical pencil, in order to offer better control. It claims to be waterproof, smudge-resistant and transfer-proof, boasting up to 3