![Tube of Nulastin’s award winning eyebrow serum for fuller looking brows](http://nulastin.com/cdn/shop/files/Brow_PDP_1.jpg?crop=center&height=80&v=1717824501&width=80)
![Fast paced video of women apply eyebrow serum & close ups of the brush](http://nulastin.com/cdn/shop/files/preview_images/a031a49056de49278d8a63f4034da3aa.thumbnail.0000000000.jpg?crop=center&height=80&v=1717652653&width=80)
![Clinical evaluation results for Nulastin Brow Shape Altering Serum](http://nulastin.com/cdn/shop/files/BROW_PDP_3.jpg?crop=center&height=80&v=1717652671&width=80)
![Before and after photos of a woman’s brows after using eyebrow serum for 12 weeks](http://nulastin.com/cdn/shop/files/BROW_PDP_4.jpg?crop=center&height=80&v=1717652671&width=80)
![List of product benefits for Nulastin Brow Shape Altering Serum](http://nulastin.com/cdn/shop/files/BROW_PDP_4-1.jpg?crop=center&height=80&v=1717652671&width=80)
![Timeline of the Nulastin Brow renewal journey with expectations of what to expect](http://nulastin.com/cdn/shop/files/BROW_PDP_6.jpg?crop=center&height=80&v=1717652671&width=80)
![Detail photo of Nulastin Brow Shape Altering Serum spoolie brush](http://nulastin.com/cdn/shop/files/BROW_PDP_7.jpg?crop=center&height=80&v=1717652671&width=80)
![Tube of Nulastin’s award winning eyebrow serum for fuller looking brows](http://nulastin.com/cdn/shop/files/Brow_PDP_1.jpg?crop=center&height=200&v=1717824501&width=200)
![Tube of Nulastin’s award winning eyebrow serum for fuller looking brows](http://nulastin.com/cdn/shop/files/Brow_PDP_1.jpg?crop=center&height=1024&v=1717824501&width=1024)
![Clinical evaluation results for Nulastin Brow Shape Altering Serum](http://nulastin.com/cdn/shop/files/BROW_PDP_3.jpg?crop=center&height=1024&v=1717652671&width=1024)
![Before and after photos of a woman’s brows after using eyebrow serum for 12 weeks](http://nulastin.com/cdn/shop/files/BROW_PDP_4.jpg?crop=center&height=1024&v=1717652671&width=1024)
![List of product benefits for Nulastin Brow Shape Altering Serum](http://nulastin.com/cdn/shop/files/BROW_PDP_4-1.jpg?crop=center&height=1024&v=1717652671&width=1024)
![Timeline of the Nulastin Brow renewal journey with expectations of what to expect](http://nulastin.com/cdn/shop/files/BROW_PDP_6.jpg?crop=center&height=1024&v=1717652671&width=1024)
![Detail photo of Nulastin Brow Shape Altering Serum spoolie brush](http://nulastin.com/cdn/shop/files/BROW_PDP_7.jpg?crop=center&height=1024&v=1717652671&width=1024)
BROW Shape Altering Serum
Go from barely there to thicker, fuller, more youthful looking brows. Our award winning eyebrow serum, powered by Elastaplex® Technology, supports all stages of the natural growth cycle while helping anchor-and-bind brow follicles at the root for visibly reduced shedding and fall out. Experience visible results in as soon as 6 weeks with triple the impact in 12.
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Enhances Visible Thickness
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Amplifies Look of Fullness
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Shapes & Defines
![Cruelty Free Icon](http://nulastin.com/cdn/shop/files/Icon_Cruelty_Free.png?v=1717042693&width=128)
![Dermatologist Tested Icon](http://nulastin.com/cdn/shop/files/Icon_Dermatologist_Tested.png?v=1717042693&width=128)
![Paraben Free Icon](http://nulastin.com/cdn/shop/files/Icon_Paraben_Free.png?v=1717042693&width=128)
Real People. Real Results
![Before photo of a woman with sparse lashes and brows](http://nulastin.com/cdn/shop/files/Brow_Before_1.jpg?v=1716529173&width=500)
![](http://nulastin.com/cdn/shop/files/Brow_After_1.jpg?v=1716529174&width=500)
![Before photo of a woman with sparse lashes and brows](http://nulastin.com/cdn/shop/files/Brow_Before_1.jpg?v=1716529173&width=500)
![](http://nulastin.com/cdn/shop/files/Brow_After_1.jpg?v=1716529174&width=500)
![](http://nulastin.com/cdn/shop/files/Brow_Before_2.jpg?v=1716529173&width=500)
![](http://nulastin.com/cdn/shop/files/Brow_After_2.jpg?v=1716529174&width=500)
![](http://nulastin.com/cdn/shop/files/Brow_Before_2.jpg?v=1716529173&width=500)
![](http://nulastin.com/cdn/shop/files/Brow_After_2.jpg?v=1716529174&width=500)
![](http://nulastin.com/cdn/shop/files/Brow_Before_4.jpg?v=1716568060&width=359)
![](http://nulastin.com/cdn/shop/files/Brow_After_4.jpg?v=1716568060&width=359)
![](http://nulastin.com/cdn/shop/files/Brow_Before_4.jpg?v=1716568060&width=359)
![](http://nulastin.com/cdn/shop/files/Brow_After_4.jpg?v=1716568060&width=359)
Clinically Proven to Boost the Look of Brows
saw visible brow growth*
noticed brows appeared fuller*
![Nulastin brow serum tube next to beakers filled with formula](http://nulastin.com/cdn/shop/files/Nulastin-19_BROW_web.jpg?v=1717435139&width=1280)
* Based on the results of a 12-week independent clinical study.
![](http://nulastin.com/cdn/shop/files/Journey_Brow.jpg?v=1717036377&width=1920)
Your Brow Journey starts here
Great results require consistency. With twice daily application of our eyebrow serum, here’s what you can anticipate.
Pro Tip: Take a before shot and look at it daily. It’s a great way to stay motivated—and stay on track.
![](http://nulastin.com/cdn/shop/files/Brow_Journey_1.jpg?crop=center&height=200&v=1716532615&width=200)
Week 0-3
Elastin begins to activate at the root of the hair follicle.
![](http://nulastin.com/cdn/shop/files/Brow_Journey_2.jpg?crop=center&height=200&v=1716532615&width=200)
Week 3-6
Start seeing subtle changes, like visibly denser brows.
![](http://nulastin.com/cdn/shop/files/Brow_Journey_3.jpg?crop=center&height=200&v=1716532615&width=200)
Week 6-12
Your most transformative weeks. Brows appear thicker and fuller.
Continue applying for more progress or to maintain beautiful, lasting results.
Real Responsibility: We’re rooted in trust and transparency
![Chief Science officer and Founder holding Nulastin serums and smiling](http://nulastin.com/cdn/shop/files/FounderLeah_DrFelipe_cropped.jpg?v=1716515343&width=1600)
Frequently Asked Questions
Got a question about NULASTIN® BROW serum? The answer may be right here or you can check our full list of FAQs.