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15 best mascaras for length, volume, and zero clumps, starting at £3.99 – tried and tested
This way for lash extensions in a tube!
People stop me pretty regularly to ask about my lashes – usually assuming I’m wearing lash extensions and wanting the name of the salon. Plot twist: I’ve never had extensions. What they’re actually seeing is some makeup magic.
Sure, lash serums have helped keep my lashes healthy and conditioned, which can make them look a little longer and fuller. But the real reason they look borderline fake? A standout mascara – especially one with the right brush. The wand makes a huge difference depending on what you’re after, whether that’s length, curl, or major volume.
That said, I didn’t magically know which formulas were worth it. Over the course of my career as a beauty editor, I’ve tested hundreds of mascaras to figure out which ones actually deliver. And I’ll say this upfront: mascara is deeply personal – right up there with foundation and nude lipstick. The best one for you depends entirely on what you want your lashes to do, which is exactly why this list exists.
Ahead, you’ll find the highest-rated mascaras I’ve personally tested, along with standout picks loved by other Cosmo staffers. First, a quick-hit list before we dive into the full lineup:
The best mascaras, tested by Cosmo editors:
Keep scrolling for the complete breakdown of the best mascaras – from brands like Ilia, Maybelline, L’Oréal, and Tower 28 –plus the key tips to know before you add a new tube to your cart (or your makeup bag).
Beth Gillette is the beauty editor at Cosmopolitan, where she covers skincare, makeup, hair, nails, and more across digital and print. She can generally be found in bright eyeshadow furiously typing her latest feature or hemming and hawing about a new product you "have to try." Prior to Cosmopolitan, she wrote and edited beauty content as an Editor at The Everygirl for four years. Follow her on Instagram for makeup selfies and a new hair 'do every few months.

Lia Mappoura (she/her) is the Beauty Writer at Cosmopolitan UK, with over four years of experience reporting across the brand's print, social, video and digital platforms. Lia covers everything from emerging trend analysis to viral celebrity hair and makeup moments, making her an expert at spotting the season’s next big beauty look (before it takes over social media feeds).
In 2025, she was named The Rising Media Star at the Love Perfume Awards with The Perfume Shop, recognised for her outstanding digital fragrance content and for building genuine authority within the space. She is passionate about challenging outdated beauty stereotypes, championing inclusive representation in beauty, and educating readers on the trends, products and conversations shaping the industry today. Follow her on Instagram or find her on LinkedIn.

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