What it is: A long wear, ultraprecise, one millimeter pencil for the tiniest hair-like details and a clean, soft natural look. Ingredient Callouts: This product is vegan, gluten-free, and cruelty-free. What Else You Need to Know: Flick the tiny tip for a feathery, natural-looking effect. The perfect amount of pigment and waxiness means it’s just firm enough for hair-like strokes that stay put. Ideal for the smallest sparse patches, adding realistic details and dimension. This formula is clean, vegan, and hypoallergenic. Clinical Results: In a consumer study of 30 people applying Brow Pop Nano, after 7 days:- 100% agreed they would purchase Brow Pop Nano and recommend it to a friend- 100% agreed that Brow Pop Nano gives ultraprecise application and a clean, natural look- 100% agreed that Brow Pop Nano does not smudge and stands up to water and sweat This product is an Allure Best of Beauty award winner. Clean at Sephora is our commitment to offering effective products without certain ingredients, such as parabens, sulfates, phthalates, and mineral oils. Learn more here.