Jane iredale longest lash mascara has a unique dual purpose formula that contains sea minerals that condition lashes so they can grow to their fullest potential while thousands of cellulose fibers coat the lashes for a look that is glamorous rich and full jane iredale longest lash mascara has an extra large tapered brush that makes application easy and separates lashes effortlessly packaged in a squeezable tube with the highest quality brush it contains 75 more product than normal mascara