Updated:March, 2026

10 Best Best Rated Lash Serum To Grow Thick Lashes of 2026

Best Choice

9.9

Outstanding

Rennelyn

Eyelash Serum Lash Growth Enhancer: Advanced Natural Formula (Orchid, 5 ML)

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Why We Love It

Natural Lash Growth Enhancing: Our premium serum helps lashes grow naturally, enhancing length and thickness without the use of hormones or prostaglandin analogs, ensuring no irritation or red eyes.

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Why We Love It

Natural Lash Growth Enhancing: Our premium serum helps lashes grow naturally, enhancing length and thickness without the use of hormones or prostaglandin analogs, ensuring no irritation or red eyes.

How We Find the Top Picks

We use smart data tools to review thousands of products and stores, analyzing ratings, reviews, and popularity trends to highlight what truly matters to shoppers like you.

Our experts then refine the results, blending AI insights with real user experiences to deliver accurate, up-to-date rankings that help you choose with confidence.

9.5

Excellent

VieBeauti

VieBeauti Eyebrow Growth Serum: Eyebrow Serum to Grow Brows with Advanced Formula to Boost Longer Fuller and Thicker Looking Eyebrows 3mL

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Main Highlights

Get Longer Thicker Brows Naturally: Formulated with advanced natural ingredients, including swertia japonica extract, peptides, and amino acids, to enhance the natural growth of eyelashes for a fuller, longer and healthier look
Safe and Gentle Formulation: Safe for sensitive eyes and contact lens wearers, its ideal for anyone seeking longer, thicker brows. Vegan and cruelty-free, it suits beauty enthusiasts and natural skincare lovers alike
Visible Results in 4 Weeks: Our advanced formula with natural ingredients promotes noticeably thicker, longer, fuller looking eyebrows in just 4 weeks. Clinically tested to deliver results without redness, irritation, or discomfort
Repairs and Strengthens Weak Brows: Targets damage from makeup or cleansing. Moisturizing ingredients nourish and condition, reducing breakage and fortifying brows for a healthier, fuller look
Easy To Apply: Equipped with a fine-tip wand, our serum makes application effortless. A simple swipe along the brow, morning and evening, integrates seamlessly into your daily lash care routine, whether at home or on the go

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Main Highlights

Get Longer Thicker Brows Naturally: Formulated with advanced natural ingredients, including swertia japonica extract, peptides, and amino acids, to enhance the natural growth of eyelashes for a fuller, longer and healthier look
Safe and Gentle Formulation: Safe for sensitive eyes and contact lens wearers, its ideal for anyone seeking longer, thicker brows. Vegan and cruelty-free, it suits beauty enthusiasts and natural skincare lovers alike
Visible Results in 4 Weeks: Our advanced formula with natural ingredients promotes noticeably thicker, longer, fuller looking eyebrows in just 4 weeks. Clinically tested to deliver results without redness, irritation, or discomfort
Repairs and Strengthens Weak Brows: Targets damage from makeup or cleansing. Moisturizing ingredients nourish and condition, reducing breakage and fortifying brows for a healthier, fuller look
Easy To Apply: Equipped with a fine-tip wand, our serum makes application effortless. A simple swipe along the brow, morning and evening, integrates seamlessly into your daily lash care routine, whether at home or on the go

9.5

Excellent

Sky Organics

Sky Organics Castor Oil Eyelash & Brow Serum (1 fl oz / 30 ml) – Certified Organic Castor Oil Lash Serum Cold Pressed, Hexane Free, USDA Certified, Fuller-looking Lashes & Eye Brows

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Main Highlights

WHY WE LOVE IT: Sky Organics Organic Castor Oil Eyelash Serum is a natural source of fatty acids that help moisturize the root and nourish hair follicles for healthier, stronger and fuller looking lashes and brows.
FOR FULLER LOOKING LASHES & BROWS: Sky Organics Organic Castor Oil Eyelash Serum helps condition roots and nourish hair follicles for healthier, stronger and fuller looking lashes and brows.
COLD-PRESSED: Sky Organics 100% pure Organic Castor Oil Eyelash Serum is retrieved through a process of cold-pressing rather than chemical extraction to help retain its vitamins and antioxidants and eliminate any potential irritants.
FOR BEST RESULTS: Nightly, apply 1-2 drops of Sky Organics Organic Castor Oil Eyelash Serum onto a clean eyeliner brush or mascara brush and wipe off excess before lightly brushing along the lash line or through the brows.
GOOD FOR YOU, GOOD FOR THE PLANET: Sky Organics Organic Castor Oil Eyelash Serum is responsibly made in small batches with the highest quality ingredients, is USDA certified Organic, and is 100% vegan and cruelty-free.

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Main Highlights

WHY WE LOVE IT: Sky Organics Organic Castor Oil Eyelash Serum is a natural source of fatty acids that help moisturize the root and nourish hair follicles for healthier, stronger and fuller looking lashes and brows.
FOR FULLER LOOKING LASHES & BROWS: Sky Organics Organic Castor Oil Eyelash Serum helps condition roots and nourish hair follicles for healthier, stronger and fuller looking lashes and brows.
COLD-PRESSED: Sky Organics 100% pure Organic Castor Oil Eyelash Serum is retrieved through a process of cold-pressing rather than chemical extraction to help retain its vitamins and antioxidants and eliminate any potential irritants.
FOR BEST RESULTS: Nightly, apply 1-2 drops of Sky Organics Organic Castor Oil Eyelash Serum onto a clean eyeliner brush or mascara brush and wipe off excess before lightly brushing along the lash line or through the brows.
GOOD FOR YOU, GOOD FOR THE PLANET: Sky Organics Organic Castor Oil Eyelash Serum is responsibly made in small batches with the highest quality ingredients, is USDA certified Organic, and is 100% vegan and cruelty-free.

9.2

Excellent

CLIONE PRIME

Clione Prime Korean Lash Serum - Sérum Para Pestañas Eyelash Serum to Grow Lashes Eyebrow Serum Eyelash Growth Serum Suero Para Pestañas Crecimiento Suero De Pestañas

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Main Highlights

Clinically Proven Growth - Achieve genuine eyelash growth and lengthening in just 4 weeks with our lash growth serum! All clinical participants saw noticeable changes, backed by rigorous testing at the Korean Institute of Dermatological Sciences.
Advanced Patented Formula - Our eye lash serum contains 17 essential amino acids and patented ingredients for optimal lash health. Developed over 4 years, this unique formula is designed to deliver maximum results while being gentle on your eyes.
Quick Absorption & Nourishment - The watery texture ensures fast absorption, providing deep nourishment without irritation. Enriched with MYRISTOYL PENTAPEPTIDE-17, eyelash serum promotes stronger, healthier lashes with minimal risk of irritation.
Safe & Certified - Enjoy peace of mind with our 100% Korean lash serum, which has passed stringent non-irritation and low-irritation tests. Its PETA-certified, cruelty-free, vegan, and ISO-certified, reflecting our commitment to quality and ethical standards.
Versatile 2-in-1 Care - This lash and brow serum not only enhances your eyelashes but also cares for your hairline. Perfect for those needing comprehensive lash and hair management, especially after frequent eyelash perms or treatments.

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Main Highlights

Clinically Proven Growth - Achieve genuine eyelash growth and lengthening in just 4 weeks with our lash growth serum! All clinical participants saw noticeable changes, backed by rigorous testing at the Korean Institute of Dermatological Sciences.
Advanced Patented Formula - Our eye lash serum contains 17 essential amino acids and patented ingredients for optimal lash health. Developed over 4 years, this unique formula is designed to deliver maximum results while being gentle on your eyes.
Quick Absorption & Nourishment - The watery texture ensures fast absorption, providing deep nourishment without irritation. Enriched with MYRISTOYL PENTAPEPTIDE-17, eyelash serum promotes stronger, healthier lashes with minimal risk of irritation.
Safe & Certified - Enjoy peace of mind with our 100% Korean lash serum, which has passed stringent non-irritation and low-irritation tests. Its PETA-certified, cruelty-free, vegan, and ISO-certified, reflecting our commitment to quality and ethical standards.
Versatile 2-in-1 Care - This lash and brow serum not only enhances your eyelashes but also cares for your hairline. Perfect for those needing comprehensive lash and hair management, especially after frequent eyelash perms or treatments.

9.0

Excellent

TEREZ & HONOR

Terez & Honor Natural Eyelash Growth Enhancer and Brow Serum for Long Luscious Lashes and Eyebrows

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Main Highlights

GET FULLER, HEALTHIER-LOOKING LASHES & BROWS : Terez & Honors Enhancing Eyelash and Brow Serum helps boost the appearance of longer, thicker lashes and brows without the need for false lashes. This drug-free formula is designed to give your lashes and brows a fuller look over time.
SAFE & GENTLE FOR ALL SKIN TYPES: Developed with a blend of science and nature, Terez & Honor's lash growth serum is formulated to be gentle on the skin, making it suitable for all skin types. Many users report visible improvements in lash and brow thickness and length within as little as 6 weeks with consistent use.
STRONGER, HEALTHIER-LOOKING RESULTS: Crafted with high-quality ingredients to ensure both safety and efficacy. Its an ideal choice for those looking to enhance their lashes and brows without irritation.
EASY TO APPLY: Using the precision applicator, apply a thin line of serum along the base of your upper and lower lash line each morning and night, similar to applying eyeliner. For brows, gently apply to clean skin for the best results.
NOURISHING FORMULA: This advanced eyelash and brow serum is packed with nourishing, support a healthier-looking lash and brow appearance over time.

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Main Highlights

GET FULLER, HEALTHIER-LOOKING LASHES & BROWS : Terez & Honors Enhancing Eyelash and Brow Serum helps boost the appearance of longer, thicker lashes and brows without the need for false lashes. This drug-free formula is designed to give your lashes and brows a fuller look over time.
SAFE & GENTLE FOR ALL SKIN TYPES: Developed with a blend of science and nature, Terez & Honor's lash growth serum is formulated to be gentle on the skin, making it suitable for all skin types. Many users report visible improvements in lash and brow thickness and length within as little as 6 weeks with consistent use.
STRONGER, HEALTHIER-LOOKING RESULTS: Crafted with high-quality ingredients to ensure both safety and efficacy. Its an ideal choice for those looking to enhance their lashes and brows without irritation.
EASY TO APPLY: Using the precision applicator, apply a thin line of serum along the base of your upper and lower lash line each morning and night, similar to applying eyeliner. For brows, gently apply to clean skin for the best results.
NOURISHING FORMULA: This advanced eyelash and brow serum is packed with nourishing, support a healthier-looking lash and brow appearance over time.

8.8

Very Good

VieBeauti

VieBeauti Eyelash Growth Serum 5mL: Lash Serum with Advanced Formula for Longer Fuller Thicker Lashes - Vegan & Cruelty-Free Safe for Sensitive Eyes 5-Month Supply

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Main Highlights

LENGTHEN AND STRENGTHEN your eyelashes and brows to achieve alluring eyes naturally. Our nourishing eyelash growth serum promotes new eyelash growth and fortifies existing hairs for bold, dramatic looking eyes in as little as 4 weeks. This advanced formula eye lash growing serum provides a magical boost to thin, sparse and brittle lashes.
GENTLE FORMULATION is safe to use on delicate tissues along the lash line. Botanically derived ingredients infuse sheen and luster without tell-tale redness and irritation. VieBeauti can be used in the mornings and evenings.
POWERFUL AMINO ACIDS in L-Isoleucine promotes denser and lush-looking eyelashes. Filling in patchy lash lines so they look lush and healthy. Aspartic acid reinforces hair structure to make lashes stronger and more voluminous.
RICH IN NUTRIENTS: VieBeauti Eyelash Serum works wonders on the littlest of lashes. As an added bonus, arginine helps hydrate hairs to resolve brittleness and make them stronger. With fuller and more dramatic-looking lashes, you can say goodbye to uncomfortable fake eyelashes.
EASY TO APPLY with its own fine-tip wand, VieBeauti Eyelash Serum goes on in the same way as your favorite eyeliner. Moving from the inner corner of your eye to the outer corner, simply brush on a thin layer at the root lines to nourish follicles, for denser and sensational lashes.

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Main Highlights

LENGTHEN AND STRENGTHEN your eyelashes and brows to achieve alluring eyes naturally. Our nourishing eyelash growth serum promotes new eyelash growth and fortifies existing hairs for bold, dramatic looking eyes in as little as 4 weeks. This advanced formula eye lash growing serum provides a magical boost to thin, sparse and brittle lashes.
GENTLE FORMULATION is safe to use on delicate tissues along the lash line. Botanically derived ingredients infuse sheen and luster without tell-tale redness and irritation. VieBeauti can be used in the mornings and evenings.
POWERFUL AMINO ACIDS in L-Isoleucine promotes denser and lush-looking eyelashes. Filling in patchy lash lines so they look lush and healthy. Aspartic acid reinforces hair structure to make lashes stronger and more voluminous.
RICH IN NUTRIENTS: VieBeauti Eyelash Serum works wonders on the littlest of lashes. As an added bonus, arginine helps hydrate hairs to resolve brittleness and make them stronger. With fuller and more dramatic-looking lashes, you can say goodbye to uncomfortable fake eyelashes.
EASY TO APPLY with its own fine-tip wand, VieBeauti Eyelash Serum goes on in the same way as your favorite eyeliner. Moving from the inner corner of your eye to the outer corner, simply brush on a thin layer at the root lines to nourish follicles, for denser and sensational lashes.

8.6

Very Good

VieBeauti

Premium Eyelash Serum and Eyebrow Enhancer by VieBeauti, Lash boost Serum for Fuller and Thicker Lashes & Brows (3ML)

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Main Highlights

BOOST NEW GROWTH with the powerful amino acids in L-Isoleucine. These amino acids work by increasing circulation to the blood vessels around your hair follicles. This will help fill-in patchy eyebrows and lash lines so they look healthy and luxurious. Aspartic acid strengthens hair structure to make your lashes and brows stronger and to give you more volume.
ACCENTUATE YOUR EYES with longer, bold lashes and eyebrows fortified by VieBeauti Lash Serum and Brow Enhancer. This potent blend of amino acids boosts keratin production and supplies nutrients crucial to growth and longevity.
NUTRIENT-RICH to give help you grow more hair and increase the volume, VieBeauti Eyelash Serum works incredibly well, even with the thinnest of lashes. Also, arginine promotes hair hydration to improve brittle hairs and make them stronger. Say goodbye to uncomfortable fake eyelashes and help to fuller, more dramatic lashes.
10 ESSENTIAL AMINO ACIDS plus antioxidant-rich botanicals repair damaged hair follicles and support new hair growth. L-Isoleucine, L-Valine, L-Arginine and flower extracts result in stronger , and fuller eyelashes and eyebrows
EASE TO USE with the included fine-tip wand. VieBeauti Eyelash and Eyebrow Growth Serum can be applied just like your normal eyeliner. To apply, brush from the inner corner of your eye to the outer corner, spreading a thin layer of the serum at the root lines to nourish follicles, and strengthen your existing hair, and encourage new hair growth.

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Main Highlights

BOOST NEW GROWTH with the powerful amino acids in L-Isoleucine. These amino acids work by increasing circulation to the blood vessels around your hair follicles. This will help fill-in patchy eyebrows and lash lines so they look healthy and luxurious. Aspartic acid strengthens hair structure to make your lashes and brows stronger and to give you more volume.
ACCENTUATE YOUR EYES with longer, bold lashes and eyebrows fortified by VieBeauti Lash Serum and Brow Enhancer. This potent blend of amino acids boosts keratin production and supplies nutrients crucial to growth and longevity.
NUTRIENT-RICH to give help you grow more hair and increase the volume, VieBeauti Eyelash Serum works incredibly well, even with the thinnest of lashes. Also, arginine promotes hair hydration to improve brittle hairs and make them stronger. Say goodbye to uncomfortable fake eyelashes and help to fuller, more dramatic lashes.
10 ESSENTIAL AMINO ACIDS plus antioxidant-rich botanicals repair damaged hair follicles and support new hair growth. L-Isoleucine, L-Valine, L-Arginine and flower extracts result in stronger , and fuller eyelashes and eyebrows
EASE TO USE with the included fine-tip wand. VieBeauti Eyelash and Eyebrow Growth Serum can be applied just like your normal eyeliner. To apply, brush from the inner corner of your eye to the outer corner, spreading a thin layer of the serum at the root lines to nourish follicles, and strengthen your existing hair, and encourage new hair growth.

8.3

Very Good

Revive7

Original Revive7 Revitalizing Lash Serum for Eyelash Thickness - Serum Brow Enhancer Eyebrow - Lash Enhanced Formula for Longer, Fuller and Thicker Natural Eyelash, Made in Canada (3 ml)

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Main Highlights

Unique Design The applicator brush is designed with a flocked tip to comfortably reach small areas between lashes and into the lash line.
Award-Winning Globally for Clean Ingredients. Vegan. Cruelty-Free
Proven Results since 2012.

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Main Highlights

Unique Design The applicator brush is designed with a flocked tip to comfortably reach small areas between lashes and into the lash line.
Award-Winning Globally for Clean Ingredients. Vegan. Cruelty-Free
Proven Results since 2012.

8.1

Very Good

Essencetics

Essencetics Organic Castor Oil for Hair, Lash & Brow with Rosemary & Macadamia Oils and Vitamin E - 60ml Cold Pressed Hexane Free Eyebrow & Eyelash Serum - With Glass Dropper Bottle & Mascara Tubes

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Main Highlights

NOURISHING ORGANIC CASTOR OIL BLEND This Hair Growth Oil, a combination of macadamia, rosemary, and castor oils deeply hydrates and conditions hair, lashes, and brows, promoting a healthy appearance.
HEXANE-FREE, COLD-PRESSED QUALITY Our organic castor oil is hexane-free and unrefined, preserving its natural nutrient profile for safe and effective use.
EASY APPLICATION KIT INCLUDED Comes with a glass dropper and mascara tubes for precise and mess-free application to lashes, eyebrows, or scalp.
ENRICHED WITH VITAMIN E Infused with tocopherol (Vitamin E) to enhance natural shine and provide additional nourishment from root to tip.
CUSTOMER SATISFACTION We stand by the quality of our castor oil blend. If you're not satisfied, we offer a hassle-free refund or replacement.

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Main Highlights

NOURISHING ORGANIC CASTOR OIL BLEND This Hair Growth Oil, a combination of macadamia, rosemary, and castor oils deeply hydrates and conditions hair, lashes, and brows, promoting a healthy appearance.
HEXANE-FREE, COLD-PRESSED QUALITY Our organic castor oil is hexane-free and unrefined, preserving its natural nutrient profile for safe and effective use.
EASY APPLICATION KIT INCLUDED Comes with a glass dropper and mascara tubes for precise and mess-free application to lashes, eyebrows, or scalp.
ENRICHED WITH VITAMIN E Infused with tocopherol (Vitamin E) to enhance natural shine and provide additional nourishment from root to tip.
CUSTOMER SATISFACTION We stand by the quality of our castor oil blend. If you're not satisfied, we offer a hassle-free refund or replacement.

8.1

Very Good

e.l.f.

e.l.f. Cosmetics Enhancing Lash & Brow Serum, A Serum For Promoting The Appearance Of Longer Looking Lashes & Brows In Weeks, Nourishes & Conditions, 3.5 ml (Pack of 1)

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Main Highlights

CONDITIONING & ENHANCING SERUM: Lashes are in! This lash and brow conditioning and enhancing serum is packed with powerful ingredients such as antioxidants, amino acids and vitamins to make lashes & brows appear longer and fuller.
NOURISHES & CONDITIONS HAIRS: This nourishing formula assists in conditioning the lashes and brows to help with thin, brittle and short hairs. This serum will give you healthier looking lashes and brows in weeks!
HOW TO USE: Apply to your upper and bottom lash line and/or brow hairs in the AM and PM.
SKIN-LOVING INGREDIENTS: All e.l.f. products are made from skin-loving ingredients you want, minus the toxins you dontall at good-for-you prices. All e.l.f. products are 100% cruelty-free and Vegan.

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Main Highlights

CONDITIONING & ENHANCING SERUM: Lashes are in! This lash and brow conditioning and enhancing serum is packed with powerful ingredients such as antioxidants, amino acids and vitamins to make lashes & brows appear longer and fuller.
NOURISHES & CONDITIONS HAIRS: This nourishing formula assists in conditioning the lashes and brows to help with thin, brittle and short hairs. This serum will give you healthier looking lashes and brows in weeks!
HOW TO USE: Apply to your upper and bottom lash line and/or brow hairs in the AM and PM.
SKIN-LOVING INGREDIENTS: All e.l.f. products are made from skin-loving ingredients you want, minus the toxins you dontall at good-for-you prices. All e.l.f. products are 100% cruelty-free and Vegan.

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