Discover the top six serums designed to naturally enhance eyelash and eyebrow growth. These formulations strengthen, condition, and promote fuller, darker lashes and brows over time. Whether you seek FDA-approved options or natural alternatives, this list offers effective solutions tailored for different needs. Regular application can result in healthier and more voluminous eyelashes and eyebrows, boosting your natural beauty with minimal effort.

Best 6 Serums to Boost Eyelash and Brow Thickness

Achieving naturally full, long eyelashes and eyebrows is a common beauty aspiration. While mascaras offer temporary volume, they can sometimes cause damage over time. The good news is that there are specialized serums formulated to support natural growth, giving lashes and brows a thicker, darker, and healthier appearance. Below, we review six top serums that effectively promote lash and brow enhancement.

RevitaLash Advanced Eyelash Conditioner
Developed by ophthalmologists, this dermatologically tested treatment strengthens lashes, reduces breakage, and encourages longer, healthier growth. It combines peptides, green tea extract, and biotin to protect against environmental damage and stress from makeup.

This award-winning formula minimizes lash brittleness and breakage. Free from oils, parabens, gluten, and irritants, it’s available in 1.0 ml, 2.0 ml, and 3.5 ml sizes to fit various preferences.

Latisse is the only FDA-approved prescription serum proven to boost eyelash growth within 4-6 weeks. Its prostaglandin content stimulates thicker, longer lashes. Note that side effects like eyelid darkening, iris color changes, and irritation may occur; consult your healthcare professional before use.

Grande Cosmetics GrandeLASH-MD Serum
With regular use over six weeks, this popular serum enhances lash appearance. Formulated with vitamin E, amino acids, and botanical extracts, it hydrates and conditions both lashes and brows. The precise applicator ensures even coating for optimal results.

Shiseido Full Lash & Brow Serum
This powerful serum nourishes and revitalizes eyebrows and lashes, promoting a fuller, darker, and healthier look. Its slim applicator allows for uniform application, absorbing quickly without mess. Use twice daily for about two months for best results.

RapidLash Eyelash and Eyebrow Serum
Enriched with B vitamins, biotin, pumpkin seed extract, and soybean oil, RapidLash encourages thicker, stronger, and more voluminous lashes and brows. Its slim applicator makes application simple, and it dries fast. Suitable for use with eyelash extensions and contact lenses.

HydroPeptide Lash – Longer, Fuller Lusher
This advanced, natural formula contains biotin, hyaluronic acid, and folic acid, nourishing and energizing lashes for a darker, fuller look. It fortifies hair follicles, reduces breakage, and safeguards against environmental stress. Vegan and fragrance-free, it is highly regarded for its effectiveness.