WATCH: Three tips for using an eyelash curlerNow there's a way to enhance your natural lashes without having to glue on strip lashes every day or fork out the big bucks for professional extensions.Lash growth serums have been on the market for eons but have skyrocketed in popularity as beauty trends shifted towards a more natural look in recent years.Designed to promote lash growth and boost your natural length and fullness, these magic serums will have your natural lashes looking lush in no time - especially if you're also using lash curlers.But with so many to choose from, which serum should you be spending your hard earned cash on? We've rounded up nine of our favourites from budget to bougie.READ NEXT: The 8 best eye creams to banish your dark circlesDesigned with even the most sensitive eyes in mind, this serum can be used on your lashes and brows for a fuller, more defined look. It's also safe for contacts-wearers and can be worn as a base under your mascara.Shop it here.L'Oreal is the best brand for lashes on a budget.