The process includes restructuring the brow hairs so they stay brushed up and groomed by brushing a solution to make them malleable, and then ‘laminating’ them with a hardening solution to keep them in place. The treatment takes less than hour, stays put for almost six weeks, and also raises your arch, giving your eyes an instant lift. And Lash tints basically create the illusion of wearing mascara without you actually having to swipe it on.