Do eyelash serums really work?
The short answer: It depends. Currently, there is only one product proven effective for growth and thickness, which is Latisse. The FDA-approved serum is formulated with an active ingredient called bimatoprost, which not only causes existing lashes to become longer but also stimulates growth in hair follicles not currently producing lashes. The catch? It’s a pharmaceutical drug, so you’ll need a doctor’s prescription to get it.