Meet Lancôme's Lash Idôle Flutter Extension Brown Instant Lengthening Mascara, a chocolate brown mascara that visibly lengthens lashes up to +5.5 mm*. Offering up to 24-hour wear, the formula helps to extend the appearance of lashes while separating them for a fanned-out finish. The precise smart brush helps to elongate every lash, creating a flared, full effect that still looks natural. *Instrumental test on 28 women.