How does that saying go? Oh, yeah: "The brow pen is mightier than...like, anything else." With 0.1 mm brush tips, Mighty Fine Brow Pen is the FINEST triple-tip brow pen out there - seriously, we checked. It instantly fills in brows and mimics the look of natural hair for a full, defined look that lasts and lasts. Shake it up & flick onto clean, dry brows, for your own MIGHTY Fine moment..In Warm Medium Brown - for medium brown hair with warm undertones.Sweatproof and transfer-proof.24 hour longwear.Full size - 0.5 mL / 0.01 US fl. oz..Shake before use.Hold the brush perpendicular to brows to get the finest lines.Flick upwards onto clean, dry brows