15 Lash Growth Serums That Actually Live up to Their Claims

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Best Lash Growth Serum

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 f 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

4.9
Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum
What We Like
  • Formula contains blend of vitamins, antioxidants, and amino acids

  • Visible results in six weeks

  • Available in trial size

What We Don’t Like
  • 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.

Active Ingredients: L-Proline, hyaluronic acid, glycosaminoglycans | Benefits: Longer, thicker-looking lashes | Application Method: Brush | Size: 0.07 ounces

grande cosmetics grandeLASH md lash enhancing serum

 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

Lash24 Eyelash Growth Serum

Amazon

What We Like
  • 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

What We Don't Like
  • 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.

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

Pronexa Hairgenics Lavish Lash Serum by Hairgenics

Courtesy of Amazon

What We Like
  • Dermatologist-tested

  • Can be used on lashes and brows

  • Proprietary blend of botanical peptides

What We Don’t Like
  • 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.

Active Ingredients: Biotin, castor oil, peptides | Benefits: Longer, thicker-looking lashes | Application Method: Brush | Size: 0.10 ounces

Best Budget: InstaNatural Eyelash Enhancing Serum

Instanatural Eyelash Enhancing Serum

 Courtesy of Instanatural 

What We Like
  • Affordable

  • Contains biotin and hyaluronic acid

  • Vegan and cruelty-free

What We Don’t Like
  • 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 Advanced Eyelash Conditioner

revitalash eyelash conditioner

Courtesy of Nordstrom

What We Like
  • Non-irritating

  • Botanical peptides help strengthen lashes

What We Don’t Like
  • 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.

Active Ingredients: Peptides, botanicals | Benefits: Conditions lashes | Application Method: Brush | Size: 0.067 ounces

Best Natural: LashFood Phyto-Medic Eyelash Enhancing Serum

LashFood Phyto-Medic Eyelash Enhancing System

 Courtesy of LashFood

What We Like
  • Clean and natural formula

  • Arginine and soy protein help strengthen lashes

What We Don’t Like
  • 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.

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

Power Fol Lash and Brow Multi-Correctional Growth Serum

Credo Beauty

What We Like
  • Can double as a primer

  • Can be used on lashes and brows

  • Peptide complex, chia, and rice protein contribute to conditioning

What We Don’t Like
  • 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.

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

LiLash Purified Eyelash Serum

Courtesy of Amazon

What We Like
  • Ophthalmologist-tested

  • Gentle enough for contact lens wearers

What We Don’t Like
  • 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.

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

Borboleta Lash Serum

 Courtesy of Borboleta

What We Like
  • You see results within four weeks

  • Clinically-tested

What We Don’t Like
  • 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.

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

Skin Research Laboratories NeuLASH Lash Enhancing Serum

Amazon

What We Like
  • Formula with sodium hyaluronate is great for damaged or brittle lashes

  • Contains pumpkin seed oil to stimulate growth

What We Don’t Like
  • 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.

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

VIVI Naturals Sagano Lash & Brow Serum

VIVI Naturals

What We Like
  • Reishi mushroom extract and biotin are great for damaged or brittle lashes

  • Clean and natural

  • Sustainable packaging

What We Don’t Like
  • 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.

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

Dr. Lara Devgan Scientific Beauty Platinum Long Lash Serum

Courtesy of Sephora

What We Like
  • Clinically-tested and dermatologist formulated

  • Vitamin B5 and phyto peptide condition lash hairs

  • Visible results within 14 days

What We Don’t Like
  • 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.

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

RapidLash Eyelash Enhancing Serum

 Courtesy of Ulta

What We Like
  • Pumpkin seed extract and biotin helps stimulate hair growth

  • Can be used on lashes and brows

What We Don’t Like
  • 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.

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

Envious Lashes Lash Conditioning Serum

Courtesy of Envious Lashes

What We Like
  • Developed by a lash expert

  • Can be used with extensions

  • Botanical extracts condition lashes

What We Don’t Like
  • 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.

Active Ingredients: Botanical extracts | Benefits: Keeps lashes healthy | Application Method: Spoolie | Size: 0.27 ounces

Best for Volume: Vegamour VegaLASH Volumizing Serum

Vegamour VegaLASH Volumizing Serum

Vegamour

What We Like
  • Mung bean and red clover help build lash volume

  • Can be used with extensions

  • Available via a convenient subscription model

What We Don’t Like
  • 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.

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.

FAQ
  • Are lash growth serums safe?

    In general, most lash growth serums are considered safe if used correctly and directions are followed closely. However, as Imani explains, "it all depends on the ingredients in the formula." If you’re not sure of the safety of a product, she recommends consulting with your doctor about what may or may not agree with your body.

  • Do lash growth serums really work?

    According to Imani, yes, they work. Because eyelashes are made up of over 90 percent protein, many formulas contain amino acids or peptides (the building blocks of protein) to help to nourish lash hair while repairing any damage. Some formulas contain collagen, which also helps to repair damage and keep the lashes strong. These ingredients don't necessarily stimulate new growth, but by strengthening the lash hair, they'll lend your lashes a thicker, fuller, and longer appearance.

    Very few formulas contain ingredients that will stimulate new growth, such as bimatoprost, which is the active ingredient in prescription-only Latisse, and prostaglandins.

  • What is in lash growth serums?

    While the above-mentioned biotin, peptides, amino acids, and collagen are commonly found in lash growth products, Imani explains that formulas will vary from product to product. “There are 101 different formulas,” she says. “Bimatoprost, which is a very active lash growth serum, can have some questionable side effects like a change in eye color. I like serums that contain biotin and peptides, as well as ingredients that condition lashes, regardless of growth-triggering factors.”

  • Can you use lash growth serums with eyelash extensions?

    According to Imani, you can pair lash growth serums with eyelash extensions. She recommends opting for a formula that focuses on lash health to strengthen your natural lashes throughout the life of your extensions.

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.

Updated by Jill Di Donato
Article Sources
Byrdie takes every opportunity to use high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial guidelines to learn more about how we keep our content accurate, reliable and trustworthy.
  1. Bimatoprost topical: medlineplus drug information.

  2. Zgonc Škulj A, Poljšak N, Kočevar Glavač N, Kreft S. Herbal preparations for the treatment of hair lossArch Dermatol Res. 2020;312(6):395-406. doi:10.1007/s00403-019-02003-x

  3. Patel DP, Swink SM, Castelo-Soccio L. A Review of the Use of Biotin for Hair LossSkin Appendage Disord. 2017;3(3):166-169. doi:10.1159/000462981

  4. Almohanna HM, Ahmed AA, Tsatalis JP, Tosti A. The Role of Vitamins and Minerals in Hair Loss: A ReviewDermatol Ther (Heidelb). 2019;9(1):51-70. doi:10.1007/s13555-018-0278-6

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