IK LB TOKYO Power of Eyeliner Liquid (Jet Black / Brown Black / Choco Brown / Royal Brown) 0.6ml New Container Structure, New Content! LB proposes "Triple Proof". The waterproof formula is resistant to sweat, water, and tears, while the smudge-proof formula is resistant to sebum, and the new rub-proof formula is resistant to rubbing. The brush is flexible and firm, glides around the eye area without stress, and can be used freely for delicate lines that fill in the lashes, as well as for large, sweeping lines.