CRUELTY-FREE: Revolution Beauty products are cruelty-free and always have been. We're PETA-certified and never allow animal testing at any stage of development for both ingredients and final products. HOW TO USE: Apply a small amount of primer to your eyelid. Start with a line above your lashes, make sure you use small lines and strokes for precise application. VEGAN: This serum does not contain any animal derived ingredients. CREATE THE PERFECT LOOK: Whether you’re a beginner or an expert, the black liquid eyeliner pen glides on seamlessly to complete the perfect flick, wing or graphic eyeliner look. EASY APPLICATION: The fine tip provides ultra precision giving you ultimate control for a defined finish and stable application.