![Two tubes of Nulastin’s award winning eyebrow serum for fuller looking brows](http://nulastin.com/cdn/shop/files/BROW_2Pack_PDP_1.jpg?crop=center&height=80&v=1717824768&width=80)
![Fast paced video of women apply eyebrow serum & close ups of the brush](http://nulastin.com/cdn/shop/files/preview_images/ab18020bb3054062b70fd0dc1db8dcb3.thumbnail.0000000000.jpg?crop=center&height=80&v=1717654659&width=80)
![Clinical evaluation results for Nulastin Brow Shape Altering Serum](http://nulastin.com/cdn/shop/files/BROW_2Pack_PDP_3.jpg?crop=center&height=80&v=1717824768&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_2Pack_PDP_4.jpg?crop=center&height=80&v=1717824768&width=80)
![Timeline of the Nulastin Brow renewal journey with expectations of what to expect](http://nulastin.com/cdn/shop/files/BROW_2Pack_PDP_5.jpg?crop=center&height=80&v=1717824768&width=80)
![List of product benefits for Nulastin Brow Shape Altering Serum](http://nulastin.com/cdn/shop/files/BROW_2Pack_PDP_6.jpg?crop=center&height=80&v=1717824768&width=80)
![Detail photo of Nulastin Brow Shape Altering Serum spoolie brush](http://nulastin.com/cdn/shop/files/BROW_2Pack_PDP_7.jpg?crop=center&height=80&v=1717824768&width=80)
![Two tubes of Nulastin’s award winning eyebrow serum for fuller looking brows](http://nulastin.com/cdn/shop/files/BROW_2Pack_PDP_1.jpg?crop=center&height=200&v=1717824768&width=200)
![Two tubes of Nulastin’s award winning eyebrow serum for fuller looking brows](http://nulastin.com/cdn/shop/files/BROW_2Pack_PDP_1.jpg?crop=center&height=1024&v=1717824768&width=1024)
![Clinical evaluation results for Nulastin Brow Shape Altering Serum](http://nulastin.com/cdn/shop/files/BROW_2Pack_PDP_3.jpg?crop=center&height=1024&v=1717824768&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_2Pack_PDP_4.jpg?crop=center&height=1024&v=1717824768&width=1024)
![Timeline of the Nulastin Brow renewal journey with expectations of what to expect](http://nulastin.com/cdn/shop/files/BROW_2Pack_PDP_5.jpg?crop=center&height=1024&v=1717824768&width=1024)
![List of product benefits for Nulastin Brow Shape Altering Serum](http://nulastin.com/cdn/shop/files/BROW_2Pack_PDP_6.jpg?crop=center&height=1024&v=1717824768&width=1024)
![Detail photo of Nulastin Brow Shape Altering Serum spoolie brush](http://nulastin.com/cdn/shop/files/BROW_2Pack_PDP_7.jpg?crop=center&height=1024&v=1717824768&width=1024)
BROW 2-PACK Shape Altering Serum
Your best brows start right now. Experience thicker, fuller and more shapely looking brows with this bestselling set featuring two full sizes of our award winning, eyebrow accelerating serum. Powered by Elastaplex® Technology, BROW serum 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. See 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.