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Eyelash serums have quickly become one of the most popular alternatives to constant lash extensions. While extensions can look stunning, they’re costly to maintain, require frequent salon visits, and can sometimes leave natural lashes feeling a little stressed. Lash serums, on the other hand, offer a simpler, more affordable way to achieve longer-looking, fuller, and healthier lashes right from home.

Today’s formulas are more advanced than ever, blending peptides, vitamins, plant extracts, and soothing botanicals to support natural lash growth without irritation. There’s now a serum for every concern and budget.

After testing some of the most talked-about formulas on the market, we’ve narrowed it down to the top 5 eyelash growth serums that truly deliver results.

With years of researching and testing popular skincare products, Kathy has developed a sharp eye for what truly benefits the skin. Explore her expertise and insights in our Top 5 Reviews series.

If your mascara has been working overtime trying to create drama, Dermao Lashé Lash Serum is here to take some pressure off. This vegan, cruelty-free formula is the overachiever of the lash world: lightweight, silky, and designed to give you noticeably longer, fuller-looking lashes in as little as 4 weeks. Yes, four. As in “one billing cycle later and suddenly my lashes are flirting for me.”

The serum glides on smoothly with a fine-tip applicator that makes targeting your lash line ridiculously easy. Inside that tiny tube is a power trio: biotin to strengthen, panax ginseng extract to energize and support growth, and vitamin E to condition and protect. It’s basically a multivitamin… but for your lashes.

Side effects? Mostly good ones, like waking up one morning and realizing your lashes suddenly look like they belong in a shampoo commercial. For sensitive eyes, there may be a brief tingling during the first few uses, but it settles quickly and doesn’t cause irritation for most users.

In short: it’s gentle, fast-acting, and surprisingly effective. If you want the kind of lashes that make strangers politely ask, "Are those real?" Dermao Lashé earns its #1 spot with zero hesitation.

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If you’re looking for a eyelash growth serum that plays well even with lash lifts/extensions, this is the one to beat. And if you're in the US, the free shipping Dermao offers doesn't hurt either!

Over 84% of our team and testers ranked this as their favorite, and saw both short- and long-term effects on their lashes (noticeably thicker and longer, no fallout).

If your bedtime routine already looks like a mini spa session, Babe Original’s Lash Serum slides right in. This vegan, cruelty-free formula keeps things simple yet effective—just swipe it on at night only (yes, it insists). While you sleep, its blend of biotin and amino acids helps condition and support lash strength so you wake up with lashes that look a little more alive day by day.

Application is wonderfully fuss-free: a thin swipe along clean upper lash lines before bed. The texture is lightweight, non-sticky, and dries quickly enough that you won’t feel like you’re going to glue your eyelids together. With sizes in 1 ml, 3 ml, and 4 ml, it’s easy to test the waters or commit fully.

Most users start noticing a difference around the 4–6 week mark—think fuller-looking, better-behaved lashes that cling more lovingly to your mascara. Side effects are rare, but as with most serums, mildly sensitive eyes may feel a little warmth or tingling at the beginning.

Because it must be applied at night, it’s not ideal for the forgetful or the “I do everything at 7AM” type. Miss a few nights and your lash goals might stall.

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Uklash doesn’t play around—this serum is basically a pep rally for your lashes. Its unique, vegan-friendly formula is stacked with Vitamin B5 (Panthenol) for conditioning, Green Tea Extract for antioxidant support, and the star of the show: Myristoyl Pentapeptide-17, an amino acid peptide known for encouraging keratin growth. Translation? Lashes that look longer, stronger, and a little more dramatic in as little as 25 days.

You’ll apply it just like the others: a thin line along clean upper lashes. It prefers a PM schedule, but if you’re a morning serum applier, just make sure it dries fully before makeup (no one wants clumpy accidental lash glue vibes). One thing that sets this formula apart is its inclusion of a safe, low-dose prostaglandin analogue, which is known for boosting the appearance of lash length and fullness—think of it as the ingredient that quietly turns up the volume.

Most users begin seeing noticeable improvements around the 3–4 week mark, and sensitivity is generally low thanks to its paraben-free and oil-free formula.

As for drawbacks, it's noticeably pricey for the size: at $30-ish for 3 ml (on a subscription), your lashes may grow… and so might your budget. And even though the prostaglandin analogue is low-dose, some users may experience mild redness or irritation.

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Kosas Grow Potion is for the person who wants everything:fuller lashes, fluffier brows, and minimal effort. This 2-in-1 serum works overtime to visibly bulk up sparse brows while giving lashes a longer, thicker, more feathery look. Powered by a trio of peptides, vegan keratin, pro-vitamin B5, and hyaluronic acid, this formula basically brings a hydration blanket and a protein shake to your lash line. But if you only want lash growth (or only brows), you might feel like you’re paying for a benefit you don’t need.

The texture is lightweight, non-sticky, and plays nicely with sensitive skin thanks to its 100% clean, vegan, cruelty-free, gluten-free formula. No silicones, no fragrances, no sulfates—just hair-loving ingredients that want your brows and lashes to stop stress-shedding and start thriving. After 12 weeks, the brand claims 97% saw measurable improvement in brow length and lash volume, which is… impressive, to say the least.

Application is simple: swipe across your lash line and brush through brows. It’s gentle, hydrating, and ideal for those who’ve over-plucked, over-waxed, or just over-lived their brows in the early 2010s. The hyaluronic acid-rich formula is great for moisture, but some users with oily skin report slight residue.

Full results take patience: while many serums promise 4–6 week improvements, Kosas asks for a full 12-week commitment before showing its best work. And since you’re using it on two areas instead of one, the tube tends to disappear faster than single-purpose serums.

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Rounding out our top five is Talika Lipocils Expert, a lash serum with one of the most unique backstories and formulas on the market. Powered by Talika’s signature Mythical Botanical Complex, this serum leans heavily into plant science to naturally nurture your lash cycle. Instead of relying on prostaglandins or synthetic growth accelerators, it taps into extracts like witch hazel, apple, nettle, and horse chestnut to support longer, healthier, more resilient lashes.

But Lipocils Expert doesn’t stop at growth. Thanks to Coleus forskohlii, it boosts melanin production,meaning your lashes naturally darken over time, almost like built-in tinting. Add silk proteins to gently curl and lift the lashes, and you’ve got a 3-in-1 serum that lengthens, deepens, and curls without ever touching mascara.

Talika claims some pretty striking results too: after 30 days, lashes increased by 36% in length, 50% in natural pigmentation, and showed improved curl. It’s also made with 96% natural-origin ingredients, which keeps irritation low and keeps the formula gentle for daily use. Application is a bit more structured than typical serums: morning and evening for 28 days, then once a day to maintain results. It’s definitely for the person who enjoys rituals and consistency.

That said, there are a couple of caveats. This may be drying or mildly irritating for those with sensitive eyes or compromised skin barriers. Since it relies on botanical stimulation instead of stronger growth compounds, results may be subtler for very thin lash lines. Although mild, some users notice a herbaceous smell due to the plant-based extracts.

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Eyelash growth serums are a perfect solution for anyone looking to enhance their natural lashes without relying on extensions or heavy mascara. They nourish and strengthen lashes from the root, promoting longer, thicker, and healthier growth over time. With targeted ingredients like biotin, peptides, and botanical extracts, these serums can improve lash density, prevent breakage, and even darken lashes for a more defined look. Using a serum regularly saves time on daily makeup routines and creates a natural, effortless beauty that lasts, making it a simple yet effective addition to any skincare or beauty regimen.

With years of researching and testing popular skincare products, Kathy has developed a sharp eye for what truly benefits the skin. Explore her expertise and insights in our Top 5 Reviews series.