Logo Best Reviews Radar
US flag

8 Best Fast-Acting Lash Serums – Results in 4 Weeks or Less

Fact checked by Olivia Williams
Last UpdatedNovember 30, 2024
Editor's Choice
1
Olaplex Lashbond Building Serum, Clear Eyelash Enhancing Serum for Natural, Longer, Healthier, Thicker, Fuller-Looking Lashes, Daily Use, Results in Little as 2 Weeks, 0.15 fl oz

Olaplex

Olaplex Lashbond Building Serum, Clear Eyelash Enhancing Serum for Natural, Longer, Healthier, Thicker, Fuller-Looking Lashes, Daily Use, Results in Little as 2 Weeks, 0.15 fl oz

9.9Worth the Money
9.9Effective Results
9.8Easy Application

Why we love it

Proprietary multi-peptide blend for lash enhancement
Ophthalmologist tested and safe for all eye colors and skin pigments
Clear, lightweight serum for comfortable daily use

Main highlights

Key Features

Multi-peptide blend, ophthalmologist-tested formula, and lightweight serum work together to promote thicker, longer, and stronger lashes with consistent use.

Ideal for those seeking fuller, longer lashes

Perfect for individuals looking to enhance their natural lashes without extensions or falsies, suitable for daily use in any beauty routine.

Praised for its gentle, non-irritating formula

Customers appreciate the serum's non-irritating formula, making it suitable for those with sensitive eyes or contact lens wearers seeking lash improvement.

9.9

Exceptional

More Deals (1)
Wondering how we select the best products for you?Learn More
Best Value
2
MAVENI Lash Enhancing Serum, Women's Advanced Cosmetics, Eyelash Growth Serum, Promote Longer, Fuller, and Denser Eyelashes, Fast and Effective

MAVENI

MAVENI Lash Enhancing Serum, Women's Advanced Cosmetics, Eyelash Growth Serum, Promote Longer, Fuller, and Denser Eyelashes, Fast and Effective

9.8Easy to Use
9.6Effective Results
9.5Convenient Size

Why we love it

Suitable for all skin types with hypoallergenic ingredients
Promotes longer and thicker eyelashes with regular use
Compact and portable design for on-the-go application

Main highlights

Key Features

Hypoallergenic ingredients, easy application process, clinically tested safety, and visible results in eyelash length and thickness make this essence stand out.

Ideal for enhancing natural eyelashes

Perfect for those seeking longer, fuller lashes without extensions or falsies, offering a natural-looking enhancement for everyday wear or special occasions.

Praised for its gentle formula

Customers appreciate the non-irritating formula suitable for sensitive eyes, allowing for worry-free daily use while achieving noticeable eyelash improvements.

9.7

Exceptional

More Deals (1)
Best for Cashback
3
BABE ORIGINAL Babe Lash Serum - Fuller & Longer Looking Eyelashes, Clear Essential Serum for Natural Lashes and Lash Extensions, 2mL, 3-month Supply

BABE ORIGINAL

BABE ORIGINAL Babe Lash Serum - Fuller & Longer Looking Eyelashes, Clear Essential Serum for Natural Lashes and Lash Extensions, 2mL, 3-month Supply

-19%

9.7Worth the Money
9.6Easy to Use
9.5Noticeable Results

Why we love it

Promotes longer, thicker-looking lashes
Made with natural, high-quality ingredients
Can be used on lashes, brows, and with extensions

Main highlights

Key Features

Babe Lash Essential Serum offers lash and brow enhancement, natural ingredients, hydrating formula, and compatibility with lash extensions in one easy-to-use product.

Ideal for enhancing natural lashes and brows

Perfect for those seeking fuller, longer-looking lashes and brows without the need for false lashes or frequent salon visits.

Praised for visible results and ease of use

Customers frequently commend the serum's ability to produce noticeable improvements in lash and brow appearance with consistent, simple application.

9.4

Excellent

More Deals (1)
4
Grande Cosmetics Lash Enhancing Serum,2 mL

Grande Cosmetics

Grande Cosmetics Lash Enhancing Serum,2 mL

-30%

Main highlights

  • This item is not a Tester
  • Packaging may vary
  • Beauty and personal care product
  • Clinically tested^Vitamins, peptides, and amino acids^Conditions lashes and brow

9.2

Excellent

More Deals (1)
5
RapidLash Eyelash Enhancing Serum - Promotes Appearance of Longer, Fuller, And Thicker Eyelashes, For Eye Lash Enhancement, Paraben, And Cruelty Free

RapidLash

RapidLash Eyelash Enhancing Serum - Promotes Appearance of Longer, Fuller, And Thicker Eyelashes, For Eye Lash Enhancement, Paraben, And Cruelty Free

-19%

Main highlights

  • Promotes Healthy Lashes: Enhances the appearance of longer, thicker, and fuller lashes.
  • Large 3 ml size, sufficient for several months of use.
  • Fast Results: Visible improvements in as little as 4 weeks with daily use.
  • Safe and Gentle: Ophthalmologist and dermatologist tested, suitable for contact lens wearers and those with sensitive eyes.
  • Hexatein 1 Complex: Proprietary blend of six ingredients including Polypeptides, Biotin, Panthenol, Amino Acids, Soybean Oil, and Pumpkin Seed Extract.
  • Free from Harsh Chemicals: Paraben-free, fragrance-free, and free of other potentially irritating ingredients.
  • Ease of Use: Simple, once-daily application for best results.
  • Trusted Brand: Award-winning serum, trusted by celebrities, consumers, beauty editors, and makeup artists.

9.0

Excellent

More Deals (1)
6
Keranique Lash Serum - Eyelash Growth Serum for Women with Thin & Brittle Eye Lashes - Intense Eyelash Serum for Growing Long Natural Eyelashes - Volumizing & Enhancing Anti-Aging Grow Boost Serum

Keranique

Keranique Lash Serum - Eyelash Growth Serum for Women with Thin & Brittle Eye Lashes - Intense Eyelash Serum for Growing Long Natural Eyelashes - Volumizing & Enhancing Anti-Aging Grow Boost Serum

Main highlights

  • TIME-DEFYING ELIXIR: Turn back time with our age-defying, revitalizing lash growth serum for women with sparse, brittle, and aging eyelashes; This sheer, lightweight lash booster visually improves the natural volume and texture of lashes
  • 82% MORE DENSITY IN 4 WEEKS: Carefully created for thin and brittle lashes, our intense eyelash serum increases the appearance of lash density up to 82% for thicker, fuller, and stronger lashes in just 1 month
  • VOLUMIZING & NOURISHING FORMULA: Keranique lash serum for eyelash growth and thickness is packed with strength-boosting nutrients - fortifying Peptide Complex, hydrating Hyaluronic Acid, softening B-Vitamins, and more
  • CLEAN & GENTLE INGREDIENTS: Our cruelty-free eyelash growth serum is formulated without irritants - no prostaglandins, formaldehyde, benzyl alcohol, parabens, or any other potentially harmful chemicals
  • LET OUR HAIR CARE BE YOUR SELF-CARE: With a trust-built user community of over 2 million women worldwide, Keranique hair products are designed to deliver life-changing solutions for hair loss and thinning and create the foundation for fuller hair growth

8.9

Excellent

More Deals (1)
7
NYK1 Volume Enhancing Lash Serum For Eyelash Growth (XL - 8ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker Eyelash Growth Serum - Lash Growth Serum For Enhanced Eye Lash Serum Growth

NYK1

NYK1 Volume Enhancing Lash Serum For Eyelash Growth (XL - 8ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker Eyelash Growth Serum - Lash Growth Serum For Enhanced Eye Lash Serum Growth

9.3Worth the money
9.3Easy to Use
9.3Visible Results

Why we love it

Award-winning formula for eyelash and eyebrow growth
Stimulates blood flow and clears follicle blockages
Large 8ml bottle lasts for 3 months of use

Main highlights

Key Features

Clinically tested formula, twice-daily application, suitable for contact lens wearers, and safe for long-term use without altering eye color.

Ideal for those seeking natural lash and brow enhancement

Perfect for individuals with thin or sparse lashes and brows, those recovering from over-plucking, and anyone desiring fuller, longer natural lashes.

Praised for its effectiveness and visible results

Users consistently applaud the serum's ability to deliver noticeable improvements in lash and brow thickness, length, and overall appearance within weeks.

8.7

Very Good

More Deals (1)
8
NutraLash by Nutralux Brow and Lash Growth Serum with Organic Ingredients For sensitive eyes - non-irritating: Castor Oil (hexane free) + Vitamin E + Keratin + Biotin, Peptides, Swertia Japonica Extract, Pumpkin Seed Oil, Acorus Calamus Root Extract, Panax Ginseng Extract, Pentylene Glycol conditioning for hair growth

NutraLux

NutraLash by Nutralux Brow and Lash Growth Serum with Organic Ingredients For sensitive eyes - non-irritating: Castor Oil (hexane free) + Vitamin E + Keratin + Biotin, Peptides, Swertia Japonica Extract, Pumpkin Seed Oil, Acorus Calamus Root Extract, Panax Ginseng Extract, Pentylene Glycol conditioning for hair growth

Main highlights

  • Organic Ingredients: Contains castor oil, vitamin E, keratin, biotin, peptides, Swertia japonica extract, pumpkin seed oil, acorus calamus root extract, panax ginseng extract, pentylene glycol for conditioning hair growth
  • Non-Irritating Formula: Free of hexane and gentle for sensitive eyes
  • Promotes Eyelash and Eyebrow Growth: Nourishes and strengthens lashes and brows
  • Natural Ingredients: Made with organic ingredients for healthy hair and skin
  • Salon-Quality Results: Promotes fuller, longer-looking lashes and brows with regular use

8.5

Very Good

More Deals (1)