---
title: "Nulastin Brow Growth Serum — $704K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/nulastin-brow-growth-serum"
last_updated: "2026-08-11T04:26:38.825Z"
locale: en
meta:
description: "Niche score 54/100 · $704K/yr market · 70K searches/yr. A concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $704K/yr market · 70K searches/yr. A concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Nulastin Brow Growth Serum — $704K/yr Amazon US Niche (2026) - Flapen"
---
# **nulastin brow growth serum**
**Worth a look**
Shows low returns (0.8%), but a concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list.
Market size 69Growth 46Conversion 91Competition 0Returns 96Price range 69Avg price 78Brand share 0Review moat 44Quality gap 85
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.0%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****$91.29**
avg listing price — sweet spot $15–$100
**Market size**
**Good****$704K**
$704K/yr · 70K searches
**Price range**
**Good****$14.40–$136.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+16.7%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****2,132.75**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, nulastin brow growth serum is a $704K/yr Amazon United States market (70K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb–Jul. Verdict: Worth a look — 54/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nulastin brow growth serum market data**
- **Units sold / yr**
- **10K–13K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$913K–$1.1M**
- units × avg price
- **Conversion rate**
- **11.0%**
- **Avg BSR**
- **#27**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▼falling
**Sellers**
**12**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- NULASTIN95% - The Ordinary5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +16.7% search growth over the last 90 days.
3K2KSpike '24Holiday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, Jul · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/nulastin-brow-growth-serum/trend)
## **Top nulastin brow growth serum search terms**
- **nulastin brow growth serum**64K/yr+16.4%13.1% conv. - **nulastin brow serum**4K/yr+13.4%13.0% conv. - **nulastin brow**2K/yr+35.3%12.8% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/nulastin-brow-growth-serum/search-terms)
## **Top nulastin brow growth serum products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%20%$141K40%$282K60%$423K80%$564K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NULASTIN Shape Altering Eyebrow Serum - Brow Serum to Shape & Define - Improves the Appearance of Sparse Eyebrows for a Fuller Look - Enriched with Hair-Strengthening Ingredients (0.1 Fl Oz)**NULASTIN**$79.92**4.3★815 rev](https://www.amazon.com/dp/B0CZ7FRVXZ) [2**NULASTIN Shape Altering Eyebrow Serum - Brow Serum to Shape & Define - Improves the Appearance of Sparse Eyebrows for a Fuller Look - Enriched with Hair-Strengthening Ingredients (2 Count)**NULASTIN**$134.02**4.3★815 rev](https://www.amazon.com/dp/B081LNKMZ2) [3**NULASTIN Eyelash Serum & Brow Serum - Lash & Brow Dual System - Eyebrow & Eyelash Enhancing Serums with Keratin & Peptides for Fuller Looking Lashes & Brows (2 Count 0.1 Fl Oz Each)**NULASTIN**$136.82**3.8★694 rev](https://www.amazon.com/dp/B081LNVFGT) [4**The Ordinary Multi-Peptide Lash and Brow Serum Peptide-Powered Formula for Thicker Fuller Looking Lashes & Brows 0.16 Fl Oz**The Ordinary**$14.40**4.2★6,207 rev](https://www.amazon.com/dp/B0B5DYY1HQ)
### **Newest**
by launch date
[**NULASTIN Shape Altering Eyebrow Serum - Brow Serum to Shape & Define - Improves the Appearance of Sparse Eyebrows for a Fuller Look - Enriched with Hair-Strengthening Ingredients (0.1 Fl Oz)**NULASTIN**$79.92**815 rev2y ago](https://www.amazon.com/dp/B0CZ7FRVXZ) [**The Ordinary Multi-Peptide Lash and Brow Serum Peptide-Powered Formula for Thicker Fuller Looking Lashes & Brows 0.16 Fl Oz**The Ordinary**$14.40**6,207 rev3y ago](https://www.amazon.com/dp/B0B5DYY1HQ) [**NULASTIN Shape Altering Eyebrow Serum - Brow Serum to Shape & Define - Improves the Appearance of Sparse Eyebrows for a Fuller Look - Enriched with Hair-Strengthening Ingredients (2 Count)**NULASTIN**$134.02**815 rev6y ago](https://www.amazon.com/dp/B081LNKMZ2) [**NULASTIN Eyelash Serum & Brow Serum - Lash & Brow Dual System - Eyebrow & Eyelash Enhancing Serums with Keratin & Peptides for Fuller Looking Lashes & Brows (2 Count 0.1 Fl Oz Each)**NULASTIN**$136.82**694 rev8y ago](https://www.amazon.com/dp/B081LNVFGT)
### **Trending**
90-day click momentum
[**NULASTIN Shape Altering Eyebrow Serum - Brow Serum to Shape & Define - Improves the Appearance of Sparse Eyebrows for a Fuller Look - Enriched with Hair-Strengthening Ingredients (2 Count)**NULASTIN**$134.02**4.3★**▲ 27%**](https://www.amazon.com/dp/B081LNKMZ2) [**NULASTIN Shape Altering Eyebrow Serum - Brow Serum to Shape & Define - Improves the Appearance of Sparse Eyebrows for a Fuller Look - Enriched with Hair-Strengthening Ingredients (0.1 Fl Oz)**NULASTIN**$79.92**4.3★**— 6%**](https://www.amazon.com/dp/B0CZ7FRVXZ) [**NULASTIN Eyelash Serum & Brow Serum - Lash & Brow Dual System - Eyebrow & Eyelash Enhancing Serums with Keratin & Peptides for Fuller Looking Lashes & Brows (2 Count 0.1 Fl Oz Each)**NULASTIN**$136.82**3.8★**— 7%**](https://www.amazon.com/dp/B081LNVFGT) [**The Ordinary Multi-Peptide Lash and Brow Serum Peptide-Powered Formula for Thicker Fuller Looking Lashes & Brows 0.16 Fl Oz**The Ordinary**$14.40**4.2★**▼ 18%**](https://www.amazon.com/dp/B0B5DYY1HQ)
## **What buyers say about nulastin brow growth serum**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**18%
*“Worth it”*
**Quality-Overall**14%
*“A good cosmetics brand”*
**Ease Of Application**9%
*“Application is easy”*
**Allergies**6%
*“No irritation”*
**Ease Of Use**6%
*“Easy to use”*
**Hair Growth**5%
*“am noticing brow hair growth where I haven't seen it before”*
**Symptom Reduction**4%
*“have seen a significant difference”*
**Advertised Vs Actual Product**4%
*“A product that actually delivers what it promised”*
**Functionality-Overall**3%
*“this stuff works”*
**Soft Feel**3%
*“Smooth application”*
### **What buyers complain about **
**Functionality-Overall**28%
*“No Results”*
**Symptom Reduction**15%
*“Saw no improvement”*
**Allergies**12%
*“Allergic reaction”*
**Value For Money**8%
*“Waste of money”*
**Thickness**4%
*“thin in some areas”*
**Durability**3%
*“they started to break off super short”*
**Moist/Dry**3%
*“When I opened the bottle -its dry”*
**Size-Overall**3%
*“I wasnt able to fit a spoolie brush in the tube”*
**Quality-Overall**2%
*“If the quality control is so poor they can't fill a bottle. which of course you can't tell how much is in it”*
**Product Condition**2%
*“Product arrived looking used”*
### **Top return reasons **
**Functionality-Overall**32%
**Advertised Vs Actual Product**18%
**Product Condition**16%
**Moist/Dry**6%
**Value For Money**6%
**Defective Material/Parts**4%
**Size-Overall**3%
**Skin Health**2%
**Quality-Overall**1%
**Smell**1%
## **Common questions**
- **Is nulastin brow growth serum profitable to sell on Amazon United States?**
- The niche generates $704K/yr across 4 tracked products. 90-day search growth is +16.7%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the nulastin brow growth serum niche?**
- 2 brands and 12 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in nulastin brow growth serum?**
- Top complaints mined from reviews: Functionality-Overall, Symptom Reduction, Allergies. The return rate is 0.8%.
- **When does demand for nulastin brow growth serum peak?**
- Demand peaks in Feb–Jul; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the nulastin brow growth serum niche?**
- Listings span $14.40–$136.82; the average listing price is $91.29 (sweet spot $15–$100). The average incumbent carries 2,133 reviews — the moat a new listing must climb.
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