7 Best Eyebrow Growth Serums for Fuller Brows, Tested in 2025


If you’ve succumbed to overplucking at some point or you’ve experienced hair loss, the best eyebrow growth serums can help you get that fullness back—no painful microblading necessary.

“Similar to eyelash serums, over-the-counter brow products can encourage longer, thicker eyebrow hair,” says Dustin Portela, DO, a board-certified dermatologist in Idaho. To find formulas that actually deliver, Glamour editors put a variety of dermatologist-recommended serums to the test. Our team carefully evaluated ingredient lists, ease of use, and overall effectiveness. We prioritized formulas with effective ingredients like peptides, prostaglandin analogues (a.k.a. hormones, but more on that later), and hydrating conditioners.

Our best overall pick: RevitaLash’s RevitaBrow, which consistently produced visible growth for testers (including those with sensitive skin) in as little as four to six weeks. If you want something more budget-friendly, RapidBrow impressed our team for its softening effect and steady thickening over time. Ahead, the best eyebrow growth serums that made the biggest difference in fullness, shape, and density—no creative penciling required.

The best eyebrow growth serums, at a glance

Best for Thickening

Grande Cosmetics GrandeBrow Brow Enhancing Serum

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Best Overall: RevitaBrow Advanced Eyebrow Conditioner

RevitaBrow Advanced Eyebrow Conditioner

Original video from Malia Griggs testing RevitaBrow Advanced Eyebrow Conditioner

  • What we love: Fast results; strengthens and conditions; suitable for sensitive skin
  • What could improve: May cause hair growth in unwanted spots; not pregnancy-safe

This brow enhancer earns near universal praise from dermatologists, makeup artists, and beauty editors for one reason: It works. “It contains a prostaglandin analogue as well as saw palmetto and a biopeptin complex—two ingredients that help strengthen and condition hair follicles,” says Claire Wolinsky, MD, a board-certified dermatologist at Spring Street Dermatology in New York City. It’s a great pick for sensitive skin, too, since the brow gel is hypoallergenic and nonirritating. Plus, it’s vegan and cruelty-free.

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