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Byrdie / Chloe Jeong
Although few ingredients stimulate new lash growth—bimatoprost, the active ingredient in prescription-only Latisse, is the major player here, many over-the-counter eyelash growth serums can deliver longer, fuller, and darker-looking lashes.
Byrdie Researched & Approved
Our best overall pick is Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum, a fan-favorite for its blend of vitamins, antioxidants, and amino acids. For a natural alternative, consider LashFood Phyto-Medic Eyelash Enhancer. This conditioning serum leaves lashes soft and fluttery while coating them with botanical lash food ingredients that target brittleness.
Our product tester put an award-winning eyelash growth serum to the test, using it for five weeks, taking note of how well the product worked, as well as any side effects. Our team then combined these results with our own research of other top-rated products, evaluating formulas on their clinically studied ingredients, like amino acids and peptides, as well as botanical extracts. We also took into account how long serums deliver visible results, any potential irritation, the amount of product contained in a tube, and application type.
Ahead, find the best lash growth serums to emphasize your eyes.
Best Overall
Grande Cosmetics GrandeLASH MD Lash Enhancing Serum
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Grande Cosmetics
Formula contains blend of vitamins, antioxidants, and amino acids
Visible results in six weeks
Available in trial size
Reviewers mention irritation
A combination of vitamins, antioxidants, and amino acids make this award-winning, ultra-rich conditioning formula nourishing to short, brittle, or damaged lash hairs. The addition of hyaluronic acid provides an extra boost of hydration to the shaft of lashes, which makes them appear not just longer, but visibly thicker and with increased volume. A trial-size tube provides a six-week supply that delivers initial results. If you are happy with the outcome, you can invest in the standard size, which contains three months' worth, the recommended time to see full results.
Price at time of publish: $68
Active Ingredients: L-Proline, hyaluronic acid, glycosaminoglycans | Benefits: Longer, thicker-looking lashes | Application Method: Brush | Size: 0.07 ounces
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Byrdie / Ashley Rebecca
What Our Testers Say
"I've continued to use the serum as directed every single day and am almost at the 90-day mark, and my lashes have grown very full, thick, and long." — Ashley Rebecca, Product Tester
Best Overall, Runner up
Hair La Vie Lash24TM AM/PM Formula
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Amazon
Clinically studied formula contains biotin and keratin
Acetyl tetrapeptide and biotinoyl tripeptide are naturally derived peptides associated with growth
Prostaglandin and paraben-free
High volume of product
Can only be ordered online
We love that this formula contains three clinically studied lash ingredients, including red clover extract, naturally derived peptides, silk amino acids, hydrolyzed keratin, biotin, and panthenol. According to reviews, visible results appear quickly, within six to eight weeks and without irritation to the eye area.
Price at time of publish: $50
Active Ingredients: Red clover extract, acetyl tetrapeptide, biotinoyl tripeptide, keratin | Benefits: Makes lashes appear fuller and thicker | Application Method: Brush | Size: 0.27 ounces
Best Overall, Runner-Up
Pronexa Hairgenics Lavish Lash Serum by Hairgenics
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Courtesy of Amazon
Dermatologist-tested
Can be used on lashes and brows
Proprietary blend of botanical peptides
Takes a long time to work
Biotin, castor oil, and peptides are the stars of the show in this multi-tasking serum, which has the added benefit of working well on both brows and lashes. It’s dermatologist-tested, vegan, and cruelty-free. Use it daily for at least two months for the best results.
Price at time of publish: $20
Active Ingredients: Biotin, castor oil, peptides | Benefits: Longer, thicker-looking lashes | Application Method: Brush | Size: 0.10 ounces
Best Budget
InstaNatural Eyelash Enhancing Serum
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Courtesy of Instanatural
Affordable
Contains biotin and hyaluronic acid
Vegan and cruelty-free
Must use twice daily for best results
This wallet-friendly formula contains botanical peptides to promote a hair growth cycle so that your lashes can both get longer and thicker with continued use. And it’s vegan and cruelty-free, too.
Active Ingredients: Biotin, hyaluronic acid, panthenol | Benefits: Promotes healthier lash growth cycle | Application Method: Brush | Size: 0.35 ounces
Best Strengthening
RevitaLash Cosmetics Advanced Eyelash Conditioner
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Nordstrom
Non-irritating
Botanical peptides help strengthen lashes
Expensive
You use a conditioner for the hair on your head, and your lashes are no different. True to the name, this one delivers plenty of conditioning benefits, while also preventing breaking and brittleness, keeping them soft, supple, and strong. In fact, in a six-week consumer study by the brand, 98% of participants said their lashes were stronger and looked better overall.
Price at time of publish: $98
Active Ingredients: Peptides, botanicals | Benefits: Conditions lashes | Application Method: Brush | Size: 0.067 ounces
Best Natural
LashFood Phyto-Medic Eyelash Enhancing Serum
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LashFood
Clean and natural formula
Arginine and soy protein help strengthen lashes
Takes a long time to work
Those looking for a cleaner option will appreciate that this choice is free of a litany of harmful chemicals, so much so that it’s even Ecocert certified. It relies on medicinal herbs to reinforce lashes, plus strengthening soy protein, as well as soothing lavender water to minimize irritation.
Price at time of publish: $78
Active Ingredients: Arginine, soy protein | Benefits: Strengthens lashes, makes them look longer and thicker | Application Method: Brush | Size: 0.10 ounces
What Our Testers Say
"You need to be patient because it works slowly, but this is a lash serum I’d recommend for everyone since it’s so nutrient-rich. I’ve seen it make lashes thicker.” —Lash and brow expert, Jas Imani.
Best Natural, Runner-Up
Maya Chia Power Fol Lash and Brow Multi-Correctional Growth Serum
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Credo Beauty
Can double as a primer
Can be used on lashes and brows
Peptide complex, chia, and rice protein contribute to conditioning
Expensive
This newbie is chock-full of ingredients that do great things not only for lashes but also for brows, too. (It’s a dual-ended tube with a brush for lashes on one side and a spoolie for brows on the other.) We’re talking about a peptide complex that consists of four different peptides to lengthen, thicken, strengthen, and condition lashes, as well as ingredients such as ginseng that help to minimize hair loss. But what it doesn’t contain is any questionable chemicals, a choice pick for anyone looking to clean up their beauty routine.
Price at time of publish: $110
Active Ingredients: Peptide complex, panthenol, chia, rice protein | Benefits: Helps promote hair growth | Application Method: Brush and spoolie | Size: 0.2 ounces
Best for Sensitive Eyes
LiLash Purified Eyelash Serum
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Courtesy of Amazon
Ophthalmologist-tested
Gentle enough for contact lens wearers
Takes a long time to work
Irritation around the eyes is the most common potential side effect with any type of these serums. If your skin and eyes are on the sensitive side, consider this one. It’s physician-developed and ophthalmologist-tested to be non-irritating on sensitive eyes (and even okay for contact lens wearers.) Satisfied shoppers—it consistently pulls in top rankings—agree, repeatedly noting that it works without irritating.
Price at time of publish: $90
Active Ingredients: Peptides, amino acids | Benefits: Makes lashes look longer and thicker | Application Method: Brush | Size: 0.067 ounces
Best Fast-Acting
Borboleta Lash Serum
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Courtesy of Borboleta
You see results within four weeks
Clinically-tested
Expensive
As a general rule of thumb, you’ll have to use any type of lash serum (or brow serum, for that matter) diligently for a few months if you want to see results. In other words, they’re not a quick fix. That being said, this one works faster than others.
Price at time of publish: $65
Active Ingredients: Biotin, keratin, peptides | Benefits: Makes lashes look longer and thicker | Application Method: Brush | Size: 0.010 ounces
What Our Testers Say
“This is the one I’m currently using, and I’ve seen major lash growth within just a few weeks.”—Esthetician and lash expert Jas Imani.
Best Protective
neuLASH Lash Enhancing Serum
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Amazon
Formula with sodium hyaluronate is great for damaged or brittle lashes
Contains pumpkin seed oil to stimulate growth
Expensive
If you want to both improve the condition of your current lashes and help protect them from future damage, swipe on this serum. Pumpkin seed extract makes for fuller-looking, more voluminous lashes (makes sense, given that pumpkin seed oil may be helpful for female pattern hair loss), and it also contains peptides and sodium hyaluronate to protect and strengthen them. It’s an especially good choice if your lashes are sparse or brittle.
Price at time of publish: $95
Active Ingredients: Pumpkin seed extract, peptides | Benefits: Makes lashes look fuller, protects and strengthens | Application Method: Brush | Size: 0.2 ounces
Best Protective, Runner-Up
VIVI Naturals Sagano Lash & Brow Serum
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VIVI Naturals
Reishi mushroom extract and biotin are great for damaged or brittle lashes
Clean and natural
Sustainable packaging
Expensive
This is another great pick for anyone whose lashes require a little extra TLC from the outset. The star ingredient is a reishi mushroom extract, though it also contains many of the ingredients found in other formulas (peptides, biotin) to promote hair growth, as well as maintain the color vibrancy of your lashes, a nice benefit for the more mature crowd who may be noticing some color loss as well.
Price at time of publish: $68
Active Ingredients: Reishi mushroom extract, biotin | Benefits: Nourishes and strengthens lashes, reduces breakage | Application Method: Brush | Size: 0.10 ounces
Best Splurge
Dr. Lara Devgan Scientific Beauty Platinum Long Lash Serum
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Courtesy of Sephora
Clinically-tested and dermatologist formulated
Vitamin B5 and phyto peptide condition lash hairs
Visible results within 14 days
Expensive
Created by a leading cosmetic dermatologist, this formula contains Vitamin B5 to condition the hairs. Additionally, peptides and clover extract supports the follicle. It’s a fan-fave on Sephora, too, with reviewers raving about how well it works and with minimal irritation.
Price at time of publish: $150
Active Ingredients: Vitamin B5, phyto peptides | Benefits: Makes lashes look fuller and longer | Application Method: Brush | Size: 0.17 ounces
What Our Testers Say
“My lashes grew out longer after about three months,” —Brow and lash expert Jas Imani.
Best Multitasker
RapidLash Eyelash Enhancing Serum
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Courtesy of Ulta
Pumpkin seed extract and biotin helps stimulate hair growth
Can be used on lashes and brows
Reviewers say it’s thick and dries slow
The proprietary active ingredients in this formula includes growth-supporting biotin, conditioning panthenol, vitamin-rich pumpkin seed extract, and soybean oil to make your lashes look extra lush. Plus, it works equally well on brows.
Price at time of publish: $46
Active Ingredients: Pumpkin seed extract, peptides, biotin | Benefits: Makes lashes look fuller, conditions lashes | Application Method: Brush | Size: 0.10 ounces
Best for Extensions
Envious Lashes Lash Conditioning Serum
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Courtesy of Envious Lashes
Developed by a lash expert
Can be used with extensions
Botanical extracts condition lashes
Spoolie method can make application difficult
This serum was created by lash expert Clementina Richardson, whom beauty editors and celebs alike flock to for all kinds of lash needs. She’s known for her amazing extensions, so it’s no surprise that this formula is meant to be used with extensions. The botanical-based formula will keep your natural hair strong and healthy, minimizing the wear and tear extensions can admittedly have. We also appreciate the mascara wand-like applicator, which makes it easy to coat every lash.
Price at time of publish: $75
Active Ingredients: Botanical extracts | Benefits: Keeps lashes healthy | Application Method: Spoolie | Size: 0.27 ounces
Best for Volume
Vegamour VegaBrow Eyebrow Volumizing Serum
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Mung bean and red clover help build lash volume
Can be used with extensions
Available via a convenient subscription model
Expensive
Sure, most often it’s the extra lash length that we’re after, but for those who are satisfied with the length of their fringe and just want it to be a little fuller, this is a top pick. The 100% vegan, cruelty-free formula relies on botanical extracts. In clinical studies conducted by the brand, participants saw a 94% increase in density and volume after four months of use.
Price at time of publish: $72
Active Ingredients: Mung bean, red clover | Benefits: Makes lashes appear fuller and thicker | Application Method: Brush | Size: 0.10 ounces
Final Verdict
Our best overall pick is the Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum. This fan-favorite is packed with vitamins, antioxidants, and amino acids that leave lashes longer and thicker—at a reasonable price point. For a natural alternative, consider LashFood Phyto-Medic Eyelash Enhancer. This conditioning serum leaves lashes soft and fluttery while coating them with botanical lash food ingredients that target brittleness.
Meet the Expert
Jas Imani is a New York City-based lash and brow expert. She’s known for her incredible lash lifts and often recommends (and uses) lash serums as part of a routine for maintaining beautiful, healthy lashes.
What to Look for in a Lash Growth Serum
Peptides
Imani recommends looking for formulas that contain peptides, which she says are great for fortifying lash hair and helping it grow stronger. Peptides are also great for nourishing lashes that are brittle and frail, so consider them a must if you’ve been too rough with mascara removal or wear waterproof formulas on the regular.
Biotin
You’re probably already familiar with biotin in supplement form, which is great for helping the hair and nails grow strong and healthy. Imani recommends looking for lash growth serums that also contain this powerful ingredient to help your lashes grow long and strong, too.
Conditioning Formulas
In order to maintain long and healthy lashes, you’ll want to look for a formula that contains conditioning ingredients to keep them soft and prevent future breakage. Alternatively, if you’re loving a formula that doesn’t contain conditioning ingredients, you can also purchase a separate lash conditioner to help maintain lash health.
How We Researched & Tested
To compile this list, our team of editors and contributors spent hours researching the best products on the market in this category, evaluating their key features—like ingredients, shade range, or design—in addition to reviews from customers and other trusted sources. We then used this research to assign a star rating from one to five (five being the best; one being the worst) to certain products on the list.
Why Trust Byrdie
Byrdie contributor Melanie Rud has over a decade of experience in the beauty industry, writing for some of the biggest magazines and websites out there. Additional input was provided by our product tester as well as lash and brow expert, Jas Imani, whose top-rated, New York-based studio draws celebrity clientele. All lash growth serums considered for this roundup are top-rated and contain clinically studied ingredients that actively condition and fortify lash hair. We also considered any potential irritation and how long serums take to deliver visible results.
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