
If you’ve ever stared into the mirror wishing for fuller, more defined brows, you’re not alone. The demand for the best eyebrow growth serums has skyrocketed—and for good reason. These tiny bottles of magic promise to restore sparse arches, reverse overplucking damage, and even slow down greying. But with so many options on the market, how do you choose the right one?
Which Eyebrow Growth Serum Works Best?
When it comes to selecting the best eyebrow growth serum, several factors come into play. To begin with, look at these key considerations:
- Ingredients: Opt for serums rich in peptides, natural extracts, and moisturizing agents rather than harsh prostaglandins if you prefer a cleaner formula.
- Clinical or user-backed results: Check for clinical data or credible user reviews to validate claims of thickness, growth, or density.
- Texture & ease of use: A lightweight, non-sticky formula makes daily application a breeze.
- Safety and certification: Dermatologist-tested, ophthalmologist-tested, prostaglandin-free, and eco-certified products add extra confidence in safety and ethics.
Let’s explore two standout eyebrow growth serums: LashFood BrowFood Phyto-Medic Eyebrow Enhancer and Olaplex BrowBond Building Serum.

Spotlight on Two Top Eyebrow Growth Serums
| Product | What It Is | Key Benefits | Certifications / Results |
|---|---|---|---|
| LashFood BrowFood Phyto-Medic Eyebrow Enhancer | A plant-based brow-enhancing serum designed to restore brows and minimize loss. | Activates follicles for thicker-looking brows in ~4 weeks; organic and clean ingredients like Phyto-Medic Complex, rice protein, adenosine, peony root. | Ecocert-certified, dermatologist-tested/approved, gluten/cruelty-free, prostaglandin-free. Some users saw improved fullness, though growth vs. appearance may differd |
| Olaplex BrowBond Building Serum | A clear 3-in-1 gel-serum that doubles as grooming and growth booster. | Fuller, denser, more defined brows in as little as 4 weeks; peptide to reduce new greys; soft hold styling. | Ophthalmologist- and dermatologist-tested, prostaglandin-free. Clinical studies: 90% saw more brow density, 93% healthier brows, 100% all-day hold. |
User Impressions & Expert Insights
Transitioning from features to experience, user reviews and expert commentary shed more light on real-world effectiveness:
- LashFood BrowFood Eyebrow Enhancer: Experts highlight its standout clean-beauty credentials as the only Ecocert-certified product, with nourishing botanicals such as arginine, lavender, soy protein, and ginseng working for healthier-looking brows. However, a Health Web Magazine review cautions that the product mainly improves fullness and texture, without guaranteeing actual hair growth.
- Olaplex BrowBond Building Serum: In a tester’s personal trial, the product improved definition and fullness—especially at the front of the brows—by week 4, without residue or stiffness. Tester reviews also note its texture and tube design are user-friendly; many found it effective at building brows. From Byrdie: testers saw shiny, nourished, denser brows with an easy-to-use formula that layered well under makeup.

So, Which Eyebrow Growth Serum Works Best?
All things considered, both eyebrow growth serum options deliver but in different ways:
- Choose LashFood BrowFood Phyto-Medic Eyebrow Enhancer if clean beauty and plant-based ingredients are a priority.
- Choose Olaplex BrowBond Building Serum if you’re looking for clinical backing, styling hold, and rapid visible density and definition.
Ultimately, the best eyebrow growth serum is the one that aligns with your ingredient preferences, application comfort, and results expectations. Both have proven strength, though they appeal to different needs.
Enhancing Your Brows with Safe Coloring
While using an eyebrow growth serum is key for achieving naturally fuller brows, many beauty enthusiasts also look to safe coloring techniques to enhance definition and shape. Choosing the right tint or semi-permanent formula can complement the results of growth serums, highlighting the brows’ natural fullness without compromising hair health.
For best results, always select products specifically designed for eyebrows, preferably ammonia-free or vegetable-based, and perform a patch test before application. Professional guidance can further ensure precision and safety, particularly for those experimenting with bold shades or at-home kits. By combining careful coloring with nourishing growth serums, you can achieve brows that are not only thicker and healthier but also perfectly defined, creating a polished, long-lasting look.

FAQs
How long before I see results?
Most users report visible improvement in fullness within 4 to 12 weeks of consistent daily use.
Are prostaglandins safe or to avoid?
Prostaglandins can be effective but carry risk of irritation or pigmentation. Both highlighted serums are prostaglandin-free, offering safer alternatives.
Can anyone use these serums?
Yes, with caveats: LashFood is vegan, clean, allergy-friendly (though check for soy or coconut if you’re sensitive); Olaplex is ophthalmologist-tested and safe for eyes, though should not be used on irritated or freshly laminated brows.
How should I apply them?
Apply nightly or twice daily (AM/PM) to clean, dry brows. For LashFood, use nightly and let dry before layering. For Olaplex, apply AM/PM and wait at least 90 seconds before other products.
Will sensitivity go away if I stop using them?
Yes. Particularly with Olaplex, brows revert to their natural cycle once discontinued
Do they double as brow grooming products?
Olaplex offers flexible hold and definition—effective as a grooming gel-serum.
LashFood focuses on nourishment and regrowth; additional brow styling may be needed.