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. Longwearing Rich color Waterproof Sweatproof Smudge-proof Transfer-proof Shade Range 2.5 neutral blonde 2.75 warm auburn 3 warm light brown 3.5 neutral medium brown 3.75 warm medium brown 4 warm deep brown 4.5 neutral deep brown 5 warm black-brown Claims: 24-hour longwear 99% said it easily fills in sparse areas 94% said it has rich color 98% said brows look defined instrumental test on 25 participants self-evaluation by 111 participants after 1 week Did Ya Know The 0.1 mm brush tips are about as thin as a piece of paper! The Good Stuff The power of 3: Draws on 3 superfine lines in 1 stroke Mighty all day: 24 hour longwear Line it up: Align pen so the 3 tips are facing brows straight on. instrumental test on 25 participants How To Use - Shake, shake, shake! - Hold the brush perpendicular to brows to get the finest lines. - Flick upwards onto clean, dry brows. Top Tip Every so often, wipe brush tips gently across a clean tissue to keep them in tip-top shape. Benefit Women's Mighty Fine Brow Superfine Triple Tip Pen in 4.5 Neutral Deep Brown Size: 9ml