Great Brows, Eyeliner and Lips. At last! An OTC topical anesthetic that provides a profound pain relief effect for superficially painful conditions. Lasts for up to 45 minutes. You can apply NumFast™ to thin skin for 12-15 minutes. Thick skin: 50-60 minutes. May occlude on body. Do not use occlusive dressing over eyelid. NumFast stays put and doesn't run. Remove completely with cotton swab. Keep out of direct contact with the eyes. pH 7.8-8.0
Active Ingredient: Tetracaine 2% Note: No topical anesthetics are FDA approved for use in permanent makeup. Any such use of an OTC product is considered "off label use".