The Best Eyelash Serums With 5* Reviews

Dreaming of longer, fuller lashes without the hassle of extensions? You’re in the right place. Eyelash serums are a great and easy way to give your lashes a boost, strengthening, conditioning, and encouraging growth for a natural, fluttery finish. But with so many options out there, finding an eyelash growth serum that works can feel like mission impossible. 

That’s why we called on the experts – our very own BEAUTY BAY shoppers – fo their recommendations of the best eyelash growth serums for longer, fuller lashes. From bestsellers like UKLASH to Glow For It, keep scrolling for a round-up of the top-rated formulas with glowing 5* reviews, so you can skip the guesswork and get straight into your lash-lengthening journey. 

The Best Eyelash Serums With 5* Reviews

These top-rated serums have earned their 5-star status from BEAUTY BAY shoppers who’ve seen real results – think longer, fuller, and healthier lashes in just weeks. Whether you’re recovering from lash extensions or just want a little extra length, these tried-and-tested formulas have got you covered.

UKLASH Eyelash Serum

Why we love it: A game-changer for fuller, longer lashes, this serum works wonders in just weeks.

Our favourite 5* review: “Fantastic product, my lashes are thicker and longer! The serum is so easy to apply – 2 swipes at bedtime on clean lashes and done! Definitely one of my must-have beauty products” – Laura B.

UKLASH Eyelash Serum

Make your lashes of dreams a reality with UKLASH Eyelash Serum. Perfect for those who want to see results quickly, this powerful formula encourages natural growth, giving you fuller, longer lashes in no time. Packed with nourishing ingredients that care for your lashes, this lightweight and fast-acting serum is a must.

Babe Original Essential Serum

Why we love it: It creates that your-lashes-but better effect, leaving them longer, stronger, and ultra-nourished.

Our favourite 5* review: “This is the best lash serum! I used it for two weeks each night and could see a significant difference. It’s very easy to use with no irritating side effects. Love it!” – Jennifer…

Babe Original Essential Serum

Fuller, longer lashes start with the Babe Original Essential Serum. Packed with biotin and amino acids, this nourishing formula works its magic to boost lash retention and enhance your natural lash line. Adding this to your evening routine is a breeze thanks to its precise applicator, and it can even be used when wearing lash extensions.

The Ordinary Multi-Peptide Lash and Brow Serum

Why we love it: This serum does the hard work for you, leaving lashes and brows fuller with minimal effort. 

Our favourite five* review: “In loveeee! In only one week of daily use I saw a big difference – my lashes got longer and healthier” – Loryan

The Ordinary Multi-Peptide Lash and Brow Serum

Want to give your brows a boost as well as your lashes? You need The Ordinary Multi-Peptide Lash and Brow Serum. Packed with 11 active ingredients, including four peptide complexes and natural extracts, this powerful formula nourishes, protects, and enhances the density of your lashes and brows in just four weeks. Use it twice a day, and you’ll be flaunting fuller, more defined lashes and brows in no time.

Nanolash Eyelash Serum

Why we love it: This clinically-backed serum leaves lashes noticeably longer, stronger, and darker while preventing breakage. 

Our favourite 5* review: “It works amazingly. Never tried a lash serum before but I’ve only had this for 3 weeks and within a few days I noticed new lashes coming through as well as my current lashes getting longer. Can’t wait to continue using it” – Jessica

Nanolash Eyelash Serum

Combining the latest technologies with clinical and dermatological research, Nanolash Eyelash Serum gives your lashes noticeable length, strength, and darkness. Its advanced formula nourishes from the root, promoting growth while preventing breakage and thinning. Expect stronger, thicker lashes that are healthier and more resilient with minimal effort.

Glow For It Lash Growth Serum

Why we love it: Packed with nutrients and vitamins, this serum uses natural ingredients to promote lash growth. 

Our favourite 5* review: “Amazing. My eyelashes have grown drastically. I used to wear lash extensions and clusters and my eyelashes were ruined, but this really helped grow them and give them strength” – Amy B.

Glow For It Lash Growth Serum

Scientifically proven to encourage lash growth, the Glow For It Lash Growth Serum lengthens and strengthens lashes with its improved formula, enriched with natural, ethically sourced ingredients. Packed with multi-peptides, it nourishes and stimulates hair follicles, promoting the growth of healthy, strong lashes in as little as 14 days.

OLAPLEX Lashbond Building and Enhancing Serum

Why we love it: It strengthens and conditions lashes with cutting-edge technology for visible results in just two weeks.

Our favourite 5* review: “I’ve been using this serum for a couple of weeks now and I’m really starting to notice a difference in my lashes. I’ve always had short lashes and relied on falsies when I go out, however since I’ve been using this serum it’s made a noticeable difference in the thickness of my lashes!” – Charlotte

OLAPLEX Lashbond Building and Enhancing Serum

Straight from the viral haircare hero, OLAPLEX’s LashBond combines exclusive Peptide Complex Technology and Bond Building Technology to lift, lengthen, and support the skin barrier. This lash-enhancing serum promises to add length to your lashes in four weeks, while added hyaluronic acid helps to condition and create healthier, fuller-looking lashes in just two weeks.

RapidLash® Eyelash Enhancing Serum

Why we love it: Nourishing and protective, this serum boosts growth while contributing to the overall health of your lashes. 

Our favourite 5* review: “Bestlash serum. My lashes has never looked better since using this lash serum” – Caitlin

RapidLash® Eyelash Enhancing Serum

Packed with goodness, the RapidLash Eyelash Serum combines a powerful blend of polypeptides, biotin, and pumpkin seed extract to strengthen, nourish, and promote longer, fuller lashes. Infused with vitamins and minerals, it also hydrates and protects your lashes from breakage. Safe for contact lens wearers and dermatologically tested, it’s the perfect choice for lashes that are fluttery, full, and strong.

Hairburst Eyelash Growth Serum

Why we love it: A 99% natural formula that promotes growth and improves lash thickness in just a few weeks.

Our favourite 5* review: “Wow! This has worked a dream on my really damaged eyelashes from eyelash extensions! It’s made them longer and fuller than they were before I damaged them! The texture is really easy to apply and it smells good too” – Lucy

Hairburst Eyelash Growth Serum

Give your lashes a growth spurt with the Hairburst Eyelash Growth Serum. Powered by nutrients to stimulate hair follicles, this natural formula works to boost new growth while enhancing the thickness and condition of your lashes. Plus, the precision brush ensures easy, targeted application for lashes that look and feel healthier.