8 Best Lash Growth Serums of 2026, According to Experts

Overview

Struggling with sparse or thinning eyelashes is a common concern for many people. The desire for longer, fuller lashes without resorting to mascara or extensions has led many to explore eyelash growth serums.

These products are designed to stimulate lash growth, improve follicle health, and hydrate the lashes for a more luscious look.

This article will explore the science behind eyelash growth serums, their benefits, and how they can help you achieve the thick, beautiful lashes you’ve always wanted. We’ll also highlight some of the top lash serums for 2026, their key ingredients, and what sets them apart from the competition.

What Are Eyelash Growth Serums?

Eyelash growth serums are specialized cosmetic products designed to enhance the appearance of your lashes by stimulating growth, improving thickness, and making them appear fuller.

These serums typically contain active ingredients like peptides, amino acids, and natural extracts that nourish and hydrate the lash follicles. By applying these serums directly to the lash line, users can support healthier, stronger lashes over time.

As, Lucie Royer,“a Skin Expert, explains: “The conditioning or hydrating formulas can help to add moisture back into your lashes as well as allow them to flex more freely, therefore preventing brittleness that could lead to breakage.”

Eyelash growth serums are often a more convenient and effective option compared to traditional methods like mascara or lash extensions, providing a more natural way to achieve thicker, longer lashes.

Dr. Marisa Garshick, M.D., F.A.A.D.

What Experts Say About Eyelash Growth Serums

According to Dr. Marisa Garshick, M.D., F.A.A.D. (Board-Certified Dermatologist and Clinical Assistant Professor of Dermatology at Cornell – New York Presbyterian Hospital), lash serums enhance the appearance of your lashes by promoting growth, thickness, and strength. She notes that peptide- and biotin-based formulas nourish lashes and prevent breakage, while prostaglandin analogues are what actively extend the hair follicle’s natural growth phase. For best results, she advises prioritizing formulation safety first — and applying your chosen serum consistently to the lash line once daily.

What Health Insiders Research Says

According to Health Insiders Research, our research team evaluated the leading lash and brow formulas for raw ingredient safety, real-world effectiveness, and conditioning benefits to find the best options out there. Our top overall pick is Beverly Hills MD Lash Enhancing Serum, an all-in-one lash treatment that deeply nourishes follicles, supports natural hair thickness, and helps prevent premature lash fallout.It’s what helps control thinning, improve density, and enhance natural shine without harsh chemicals, a genuinely effective plant-based option for daily lash management. Buy now with the best deals and offers!

The Best Lash Serum For Growth In 2026

Other Lash Serums We Researched

There are plenty of eyelash serums and conditioners out there, and honestly, we couldn’t include every recognizable formula among our leading recommendations. The products below have some worthwhile features. But concerns involving prostaglandin analogs, application demands, premium pricing, irritation potential, limited formula transparency, or prescription requirements kept them from ranking higher.

VEGAMOUR GRO Lash Serum – Best Plant-Based Lash Serum

Our Rating

• Comfort 4.4/5
• Effectiveness 4.4/5
• Convenience 3.8/5
• Value 3.8/5

VEGAMOUR GRO is a vegan, prostaglandin-free formula built around red clover, mung bean sprouts, acetyl tetrapeptide-3, glycerin, and other plant-based ingredients. We liked its gentle positioning, its compatibility with lash extensions, and its focus on fuller-, stronger-, and longer-looking lashes. That said, the $68 one-time price runs fairly high, and applying it twice daily for the first two months takes more commitment than most once-nightly products ask for.

Key Specs

• Form: Serum
• Type: Eyelash care
• Brand: VEGAMOUR
• Benefit: Supports fuller-, longer-, and stronger-looking lashes
• Active Ingredients: Red Clover Extract, Mung Bean Sprout Extract, Acetyl Tetrapeptide-3, Glycerin, and Magnolia Bark Extract
• Dosage: Apply twice daily for the first two months, then once daily
• Price: $68.00*
• Where to buy: Amazon

VEGAMOUR GRO Lash Serum Pros & Cons

Pros

• Vegan and cruelty-free formula
• Does not contain prostaglandin analogs
• Suitable for daily use and lash extensions
• Contains peptides and plant-based extracts

Cons

• Requires twice-daily use during the first two months
• More expensive than many cosmetic lash serums
• Individual results may vary

PhenQ Customer Reviews

This product does work, I recommend a dry and clean eyelash brush you can apply the growth serum too. It’s best with a makeup clean máscara brush; apply daily and nightly from the root to the tip. – Tifarah McDaniel

slow going but finally seeing some eyeylash growth using this daily – Jenn

Borboleta Lash Serum – Best Eyelash Enhancer Serum

Our Rating

• Comfort 4/5
• Effectiveness 3.9/5
• Convenience 3.8/5
• Value 3.9/5

Borboleta Lash Serum boosts lash length, thickness, and darkness with nourishing ingredients. Users report visible growth, healthier lashes, and a lightweight feel. The serum is easy to use, with a recommended nightly application along the clean, dry upper lash line.

Key Specs

• Form: Serum
• Type: Eyelash care
• Brand: Borboleta
• Benefit: Substantial lash growth and improved lash health
• Active Ingredients: Biotin, Keratin, & PeptidesPlant Based Stem CellsPumpkin Seed Extract
• Application: Apply once nightly
• Price: $58.50*
• Where to Buy: Amazon

Borboleta Lash Serum Pros & Cons

Pros

• Easy to use
• Effective and Affordable
• Positive reviews

Cons

• One of the most expensive lash serums
• Potential for excess product on the brush

GrandeLASH MD Lash Enhancing Serum – Best Growth Serum for Eyelashes

Our Rating

• Comfort 3.9/5
• Effectiveness 4/5
• Convenience 4/5
• Value 4/5

GrandeLASH-MD Lash Serum promotes longer, thicker, darker lashes with nourishing ingredients. Users see noticeable growth and healthier lashes. Apply nightly to the upper lash line for best results.

Key Specs

• Form: Serum
• Type: Eyelash care
• Brand: Grande Cosmetics
• Benefit: Promote the appearance of longer, thicker, healthier looking lashes
• Active Ingredients: Amino Acids, Hyaluronic Acid, Vitamin E.
• Application: Apply a single stroke to each eyelid, following your upper lash line
• Price: $36.00*
• Where to Buy: Amazon

GrandeLASH MD Lash Enhancing Serum Pros & Cons

Pros

• Non-sticky, dries clear & doesn’t flake
• Effective ingredients
• Customer satisfied reviews

Cons

• Very pricey compared to other products
• Some users may experience mild irritation when first using the product

RapidLash Eyelash Enhancing Serum – Best Natural Lash Growth Serum

Our Rating

• Comfort 3.9/5
• Effectiveness 3.9/5
• Convenience 3.8/5
• Value 3.8/5

RapidLash Eyelash Enhancing Serum is a high-performance serum formulated with advanced polypeptides that help enhance the appearance of lashes with a simple once-a-day application. The serum is ideal for women and men with brittle, weak, thin, or short lashes. It is designed to condition, moisturize, and fortify lashes to enhance their overall appearance.

Key Specs

• Form: Serum
• Type: Eyelash care
• Brand: RapidLash
• Benefit: Conditions moisturize and fortify lashes to enhance their overall appearance and Comes with a slender, fine-pointed applicator brush for easy application.
• Active Ingredients: PolypeptidesBiotin Panthenol Amino Acids
• Application: Apply once daily in the evening before bedtime.
• Price: $34.99*
• Where to Buy: Amazon

RapidLash Eyelash Enhancing Serum Pros & Cons

Pros

• Enhances the appearance of lashes with a simple once-a-day application
• Suitable for contact lens wearers
• Safe for lash extensions
• Ophthalmologist-tested, suitable for contact lens wearers, and safe for lash extensions

Cons

• Some users may experience mild irritation when first using the product

RevitaLash Advanced Eyelash Conditioner – Best Conditioning Lash Serum

Our Rating

• Comfort 3.8/5
• Effectiveness 4.3/5
• Convenience 4.2/5
• Value 3.7/5

This ophthalmologist-developed conditioner uses the brand’s BioPeptin Complex®, which includes peptides, biotin, lipids, and green tea-derived ingredients. The once-daily application is convenient, and the available sizes are built to last roughly three to six months. Still, the suggested retail prices, $100 for 2 mL and $152 for 3.5 mL, make it one of the costliest cosmetic options we reviewed. Continued use is also needed to hold onto the improved appearance, and a small share of users have reported temporary sensitivity.

Key Specs

• Form: Serum
• Type: Eyelash conditioner
• Brand: RevitaLash Cosmetics
• Benefit: Helps strengthen, condition, and protect lashes against brittleness and breakage
• Active Ingredients: Biotinoyl Tripeptide-1, Biotin, Octapeptide-2, Green Tea Extract, Ginseng Extract, Saw Palmetto, and Cloprostenol Ethyl Amide
• Application: Apply one thin line once daily to a clean, dry upper lash line
• Price: $152.00* for 3.5 mL
• Where to buy: Amazon

RevitaLash Advanced Eyelash Conditioner Pros & Cons

Pros

• Requires only one application per day
• Contains peptides, biotin, and conditioning botanicals
• Helps protect fragile lashes against breakage
• One 3.5 mL tube is positioned as a six-month supply

Cons

• One of the most expensive lash conditioners
• Contains a prostaglandin analog
• Not recommended during pregnancy or nursing

RevitaLash Advanced Eyelash Conditioner Customer Reviews

Interestingly, this RevitaLash product actually hurts my sensitive eyes more than the regular version. It works but I will be going back to the regular version. – Donna-Do-Right

Didn’t expect too much but it’s really surprising! I can see my lashes are really getting longer! I will definitely keep buying it! – emma seskin

Babe Essential Lash Serum – Best Peptide-Rich Lash Serum

Our Rating

• Comfort 3.7/5
• Effectiveness 4.3/5
• Convenience 4.2/5
• Value 4.5/5

Babe Original’s best-selling formula includes biotin, amino acids, panthenol, sodium hyaluronate, Vitamin E, and isopropyl cloprostenate. We liked the precision applicator, the extension-safe oil-free formula, and the option to cut back to two or three nights weekly once you’ve reached the desired look. Still, the regular price currently sits at $89, which feels steep next to several alternatives. The prostaglandin-analog ingredient also comes with extensive warnings, and the brand notes that some users have reported temporary redness, itching, dryness, skin darkening, or lash shedding.

Key Specs

• Form: Serum
• Type: Eyelash care
• Brand: Babe Original
• Benefit: Supports the appearance of longer, fuller lashes while conditioning the lash line
• Active Ingredients: Isopropyl Cloprostenate, Biotin, Panthenol, Amino Acids, Sodium Hyaluronate, Vitamin E, Ginseng Extract, and Grape Seed Extract
• Application: Apply one stroke nightly above the clean, dry upper lash line
• Price: $49.00*
• Where to Buy: Amazon

Babe Essential Lash Serum Pros & Cons

Pros

• Simple once-nightly application
• More affordable than several premium competitors
• Vegan and cruelty-free
• Oil-free formula can be used with lash extensions

Cons

• Contains isopropyl cloprostenate, a prostaglandin analog
• Beginners may need to gradually work up to nightly use
• Not recommended during pregnancy

Babe Essential Lash Serum Customer Reviews

Fuller-Looking Lashes

Lash serum! Work good and well but give me dark under eyes. That’s not good. It easy to use – Pillowtheif

Started using this lash serum a month ago and my lashes are super long again. You do need to keep your eye closed until it dries a bit otherwise, it can sting some. But overall, it does work. Highly recommend – Linda Leday

Latisse Lash Serum – Best Prescription Lash Serum

Our Rating

• Comfort 3.7/5
• Effectiveness 4.8/5
• Convenience 3.8/5
• Value 4.5/5

Latisse is different from the cosmetic lash serums above because it’s a prescription bimatoprost ophthalmic solution rather than an over-the-counter beauty product. Clinical results and prescription oversight are real advantages here, but Latisse isn’t appropriate for everyone. Potential effects include itchy or red eyes, eyelid skin darkening, unwanted hair outside the treatment area, and potentially permanent iris darkening. For that reason, we kept it separate from standard cosmetic-serum recommendations rather than treating it as a direct alternative.

Key Specs

• Form: Ophthalmic solution
• Type: Prescription eyelash treatment
• Brand: Latisse
• Benefit: FDA-approved to increase eyelash length, thickness, and darkness in people with inadequate lashes
• Active Ingredients: Bimatoprost Ophthalmic Solution 0.03%
• Application: Apply once nightly to the upper eyelid margin using a new sterile applicator for each eye
• Price: $159.00*
• Where to buy:Amazon

Latisse Lash Serum Pros & Cons

Pros

• Supported by controlled clinical research
• Requires only one application each night
• Treatment provided by a licensed healthcare professional

Cons

• Requires a prescription and medical consultation
• A separate sterile applicator must be used for each eye
• Brown iris pigmentation may be permanent
• Lashes may gradually return to their previous appearance

Latisse Lash Serum Customer Reviews

I have lighter hair and I was so impressed with how thick and dark my lashes grew in. – Julia

My results have been so much better than I dared hope. – Terri

Best Eye Creams Comparison Table (2026)

Products	🏆Beverly Hills MD Lash Enhancing Serum	City Lash	Beverly Hills MD Thick + Full Brow Enhancing Serum
Rating	4.9/5	4.9/5	4.8/5
Cost	$85.00*	$90.00*	$49.00*
How To Apply	Apply twice daily	Apply twice daily	Apply twice daily
Best For	Thinning Brows and Fuller, Healthier-Looking Brow Growth	Longer, Stronger Lashes with Daily Peptide Support	Sensitive Eyes and Naturally Fuller, Longer Lashes
Recommended	Expert’s Recommended	Highly Recommended	Worth Considering
Money-Back Guarantee	60 Days	60 Days	60 Days
Buy	Buy Now	Buy Now	Buy Now

Common Ingredients Present in Eyelash Growth Serums

Peptides

Peptides are short chains of amino acids that help stimulate hair growth by nourishing the hair follicles and improving their overall health. They strengthen lashes and promote natural hair growth.^[1]

Biotin

Biotin, also known as Vitamin B7, is essential for the health of hair, skin, and nails.^[2] It strengthens hair follicles, preventing hair loss and helping to promote the growth of fuller, thicker lashes.

Hyaluronic Acid

This ingredient is a powerful hydrating agent that helps in moisturizing the lash follicles, preventing dryness and brittleness. It also helps to condition and soften the lashes.

Keratin

A research study published in polymers states that Keratin is a protein naturally found in hair that helps to nourish, repair hair fibre and protect the lashes.^[3] It enhances the strength and flexibility of lashes, preventing damage and breakage.

Green Tea Extract

Rich in antioxidants, green tea extract helps to nourish the lashes and improve their overall health.^[4] It also supports the regrowth of damaged lashes by protecting against environmental stress.

What Are the Benefits of Eyelash Serums?

The benefits of eyelash growth serums are numerous, with each offering specific advantages to help enhance the appearance and health of your lashes. Here are some key benefits:

Improved Hydration: Many of the products that are featured on our list contain peptides which have been proven in clinical studies to provide moisture to both skin and hair.^[5]

Improves Lash Length: Eyelash growth serums help extend the length of your lashes by stimulating the follicles, encouraging faster and more consistent growth. One study observed the effects on eyelash serums on eyelash follicles found that after a three month period, follicles were actually longer.^[6]

Enhances Thickness: Regular use of lash serums helps increase lash volume, making them appear fuller and more luscious, which is ideal for those with thin or sparse lashes.

Strengthens Lashes: Many serums are designed with nourishing ingredients that strengthen the lashes, reducing breakage and brittleness, and helping your lashes stay healthier.

Hydrates Lash Follicles: Eyelash growth serums provide hydration to the lash follicles, preventing dryness and promoting a smooth, soft, and shiny appearance.

Boosts Overall Lash Health: The nutrients and vitamins in lash serums contribute to the overall health of your lashes, making them less prone to shedding and damage from external factors like makeup or environmental stress.

How We Researched and Selected the Eyelash Growth Serums?

Our research to select the best eyelash growth serums focused on their quality, safety, and effectiveness. We carefully examined customer reviews, expert advice, and online ratings to ensure that the products met high standards for performance and satisfaction.

The ingredient analysis was key, as we prioritized serums with safe, non-irritating components, avoiding harmful additives like prostaglandins and gluten. We also paid special attention to the inclusion of beneficial ingredients like peptides and amino acids, which are essential for nourishing the lash follicles.

Our selection process was guided by third-party testing and certifications to guarantee product purity and efficacy. We also considered the price-to-value ratio, ensuring the products offered good quality at a reasonable cost.

Lastly, we assessed the transparency of brands regarding manufacturing processes and product labeling, ensuring they provided clear, accurate information. Through this thorough approach, we confirmed that the selected eyelash growth serums meet high standards for both safety and performance.

Buying Guide

When choosing an eyelash growth serum, it’s important to do your research. Consider the following criteria:

Dermatalogically Tested: Always make sure that the product you are interested in has been tested by dermatologists. Check the labeling for the “dermatologist-tested” certification before buying.

Toxin-Free: Eyelash serums are applied very close to the eye so you never want toxins in your product. Check to make sure that the ingredients are mostly natural and free of toxins.

Good Reviews: Reading the reviews of other users will give you an idea as to how effective the product is. While not all products are guaranteed to work the same for everyone, choosing a serum with good reviews is a good start.

Your Needs: If you need your lashes to look shinier, opt for a product that will moisturize your lashes. If you need to regrow lashes, look for a serum that has regrowth such as retinol.

How Does Eyelash Growth Serums Work?

Eyelash growth serums are formulated to enhance the length, thickness, and strength of your lashes. These serums work by nourishing the hair follicles with essential nutrients, which helps stimulate faster eyelash growth.

Dr. Nicole James a physician trained in the UK, explains: Eyelash growth serums can be very effective. Their active ingredient is a prostaglandin or prostamide analog, which has been shown to be extremely effective at growing lashes.”

By applying the serum directly to the lash line, the ingredients penetrate the follicles to support healthier lash growth, reduce shedding, and improve lash density.

Most eyelash serums contain peptides, amino acids, and other moisturizing ingredients to hydrate and strengthen the lashes.

Consistent use over time leads to longer, fuller lashes, and some serums can also improve the overall health of the lashes. However, effectiveness can vary, depending on the product and individual use.

What Does Science Say About Eyelash Serums?

Eyelash serums work in a few different ways. In the following breakdown, we talk about what science has to say about these specific effects:

• Moisturization – In a National Institutes of Health study, it was found that moisturizing hair follicles can help prevent both abrasion and friction which can lead to follicle damage and loss. ^[7]
• Growth – Regrowth of follicles is also a central claim of many eyelash serums. The common ingredient peptide has been shown in at least one study to stimulate hair growth and impede hair loss. ^[8]
• Luster – A study conducted by Pubmed showed that PPG-3 benzyl ether myristate, an ingredient frequently used in eyelash serum formulas increases follicle shine and smoothness. ^[9]

Are Eyelash Growth Serums Safe to Use?

Overall, eyelash growth serums are generally safe for most people when used according to the product instructions. These serums are formulated with ingredients designed to nourish and stimulate the eyelash follicles. However, users should be cautious about applying too much or using them incorrectly.

Some individuals may experience mild side effects like redness, itching, or irritation, especially if they are allergic to any of the ingredients. If you have sensitive skin or eyes, it’s important to do a patch test before applying the serum regularly.

Pregnant or breastfeeding women should consult a healthcare professional before using eyelash growth serums, as certain ingredients may not be safe during these times. If you experience any discomfort, such as eye irritation, discontinue use immediately and consult a doctor.

Possible Side Effects of Eyelash Growth Serums

Eyelash growth serums are generally safe, but some users may experience mild side effects, including irritation, redness, or itching around the eyes.

Dryness or a burning sensation can occur if the serum contacts sensitive skin. In rare cases, allergic reactions like swelling or rashes may develop.

To minimize side effects, follow product instructions, apply sparingly, and perform a patch test if you have sensitive skin. Discontinue use and consult a healthcare professional if any adverse reactions persist.

When and How to Use Eyelash Growth Serums?

When using eyelash growth serums, apply the serum once or twice daily as directed on the product’s instructions. Typically, you should use it at night, after cleansing your face, and just before bed.

For best results, apply the serum to the clean, dry lash line using the applicator, ensuring it reaches the root of each lash. Be consistent in your application, as serums work over time.

Remember, it is important to follow the instructions to avoid irritation and get optimal results. Avoid using too much product, and always check for any specific guidelines the brand may offer for usage.

Who Should Consider Using Eyelash Growth Serums?

Eyelash growth serums are ideal for anyone seeking longer, thicker, and healthier lashes. Those with thinning, sparse, or weak lashes due to age, genetics, or lifestyle factors can benefit the most.

People who wear makeup regularly or use eyelash extensions may also find eyelash serums helpful in supporting lash health and preventing further damage.

If you’re looking for a natural way to enhance your lashes, these serums can be a great option. However, individuals with sensitive skin or specific eye conditions should consult with a healthcare professional before using these products to ensure safety and compatibility.

Who Should Stay Away from Eyelash Growth Serums?

Individuals with sensitive eyes, eye conditions (like conjunctivitis), or skin irritations should avoid eyelash growth serums.

Pregnant or breastfeeding women should consult a doctor first. Those with allergies to ingredients or using other eye medications should seek professional advice before use.

Final Verdict

After thorough research and expert analysis, we conclude that eyelash growth serums can effectively enhance the length, thickness, and overall health of your lashes.

The best serums stimulate hair follicle growth, strengthen lashes, and provide essential hydration. Key ingredients like peptides, biotin, and hyaluronic acid nourish and protect the lashes, leading to noticeable improvements.

Whether you’re dealing with thinning lashes or simply want to enhance your natural lashes, choosing the right serum can make a significant difference. Always consult a dermatologist to ensure you select the serum best suited for your lash type and needs.

Frequently Asked Questions

Why Trust Us?

At Health Insiders, our goal is really to give you accurate, evidence-based recommendations that help you make informed beauty decisions. For this guide, our editorial team looked at popular eyelash growth serums based on ingredient safety, scientific support, ease of application, and user feedback. And every recommendation gets independently selected and medically reviewed, that’s what ensures it meets our standards for quality and eye safety.

Meet Our Expert

Editorial Process

Article Reviewer

Mary Larijani M.D

Dr. Mary Larijani is a dermatologist specializing in medical, surgical, and cosmetic dermatology, with clinical research expertise in skin cancer, particularly among organ transplant recipients and people with skin of color.

Expert Contributor

Dr. Marisa Garshick

Marisa Garshick, MD, FAAD is a board-certified dermatologist specializing in medical and cosmetic dermatology, with expertise in skin health, aging, acne, and evidence-based skincare.

Expert Contributor

Lucie Royer

Lucie Royer is a skin expert and nurse prescriber with a background in acute mental health and cosmetic nursing, combining clinical care with expertise in aesthetics and skin confidence.