Loreal Brow Artist Micro Tattoo Eyebrow Definer, inspired by the art of micro blading to help you design your most perfect, natural-looking brows. Now you can get the micro bladed brow look, without the commitment. The micro-trident tip mimics the application of micro blading for natural, hair-like strokes. The ink formula lasts up to 24 hours without smudging or budging. Always apply Brow Artist Micro Tattoo Eyebrow Definer on clean brows, before applying foundation.