Intense Brown Upgrade to our longest-lasting Glimmerstick ever with Power Stay Glimmerstick Eyeliner, for 16 hours of staying power. • Intense, waterproof colour that leaves you looking sharp all day. • Glide-on formula ensures an even, smooth application and finish. • Smudge-proof, transfer-proof colour that lasts all day. How to use me: You don't need a sharpener so simply twist, apply your long-lasting lines and go.