---
title: "7d Mascara Fiber Lashes Waterproof — $38K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/7d-mascara-fiber-lashes-waterproof"
last_updated: "2026-08-09T04:46:03.795Z"
locale: en
meta:
description: "Niche score 66/100 · $38K/yr market · 52K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 66/100 · $38K/yr market · 52K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "7d Mascara Fiber Lashes Waterproof — $38K/yr Amazon US Niche (2026) - Flapen"
---
# **7d mascara fiber lashes waterproof**
**Worth a look**
Shows demand growing +750.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 9Growth 100Conversion 67Competition 65Returns 100Price range 23Avg price 49Brand share 50Review moat 98Quality gap 100
**Growth**
**Incredible****+750.2%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Incredible****3.0★**
avg incumbent rating — lower means beatable quality
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Review moat**
**Incredible****32.04**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****46%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****75%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Okay****$11.89**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****$7.23–$17.26**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****$38K**
$38K/yr · 52K searches
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, 7d mascara fiber lashes waterproof is a $38K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 75% of demand. Verdict: Worth a look — 66/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **7d mascara fiber lashes waterproof market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$59K–$71K**
- units × avg price
- **Conversion rate**
- **6.1%**
- **Avg BSR**
- **#642**
- **Page quality**
- **0%**
- **Prime**
- **71%**
- **Sponsored**
- **100%**
- **Out of stock**
- **17.0%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **139 days**
## **Competition & brand share**
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **
**Sellers**
**29**
**Top-5 brand share**
**75%**
Top 20: 100%
**Top-5 click share**
**46%**
Top 20: 90%
**Open market**
**22%**
- Generic44% - QICIY14% - ZAIDOC9% - VLSVLS5% - EOIRULA4% - Baysea3%
## **Demand**
Weekly Amazon search volume, last 11 weeks — +750.2% search growth over the last 90 days.
4K3KMay '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26Jul '26
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/7d-mascara-fiber-lashes-waterproof/trend)
## **Top 7d mascara fiber lashes waterproof search terms**
- **7d mascara fiber lashes waterproof**17K/yr>1,000%11.2% conv. - **7d colossal mascara**9K/yr+933.2%9.7% conv. - **qiciy 7d colossal mascara**9K/yr+735.9%9.2% conv. - **7d mascara**9K/yr+426.3%9.3% conv. - **7 d mascara**3K/yr>1,000%11.3% conv. - **smudge-proof curling & lengthening mascara**2K/yr>1,000%10.2% conv. - **7d waterproof mascara**3K/yr+265.9%8.2% conv. - **qiciy mascara**2K/yr+243.4%5.5% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/7d-mascara-fiber-lashes-waterproof/search-terms)
## **Top 7d mascara fiber lashes waterproof 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%5%$2K10%$4K15%$6K20%$8K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**7D Waterproof Volume Mascara Black Lengthening Thickening Softer Fuller Lashes Mascara Long Lasting Natural Curling Lashes for Professional Eye Makeup for Women and Girls (1Pcs)**Generic**$9.95**3.3★137 rev](https://www.amazon.com/dp/B0FVY9T3CS) [2**Amococo 2 Packs 7D Waterproof Mascara Long-Lasting & Buildable Volume Natural Length Exquisitely Full Lashes Smudge-Proof Thickening Eye Makeup for Defined Curl 0.35 oz**ZAIDOC**$12.67**3.2★49 rev](https://www.amazon.com/dp/B0GRJJ6QF9) [3**Qiciy 7d Colossal Mascara 0.35 oz Black Long-Lasting & Buildable Volume Natural Length Exquisitely Full Lashes Smudge-Proof Thickening Eye Makeup for Defined Curl (1Pcs)**QICIY**$11.49**2.5★57 rev](https://www.amazon.com/dp/B0GXJDL9FH) [4**2 Packs Qiciy 7d Colossal Mascara 0.35 oz Black Long-Lasting & Buildable Volume Natural Length Exquisitely Full Lashes Smudge-Proof Thickening Eye Makeup for Defined Curl (2Pcs)**QICIY**$14.20**2.5★57 rev](https://www.amazon.com/dp/B0GXJJ3JLJ) [5**7D Waterproof Volume Mascara Black Lengthening Thickening Softer Fuller Lashes Mascara Long Lasting Natural Curling Lashes for Professional Eye Makeup for Women and Girls (1Pcs)**Generic**$9.94**3.0★44 rev](https://www.amazon.com/dp/B0GXRTNP4V)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**7D Waterproof Volume Mascara**Tasunte**$9.87**20 rev2mo ago](https://www.amazon.com/dp/B0GZNJY96K) [**2PCS 7D Waterproof Mascara Black Lengthening Thickening Softer Fuller Lashes Mascara Long Lasting Natural Curling Lashes for Professional Eye Makeup for Women and Girls (Black)**Generic**$10.95**11 rev2mo ago](https://www.amazon.com/dp/B0GYD8L6RP) [**7D Waterproof Volume Mascara Black Lengthening Thickening Softer Fuller Lashes Mascara Long Lasting Natural Curling Lashes for Professional Eye Makeup for Women and Girls (2pcs)**DafPrauy**$9.92**12 rev2mo ago](https://www.amazon.com/dp/B0GYRB2T9X) [**7D Waterproof Volume Mascara Lengthening Thickening Softer Fuller Lashes Mascara Long Lasting Natural Curling Lashes for Professional Eye Makeup. 2pcs**Dosoecse**$11.53**24 rev2mo ago](https://www.amazon.com/dp/B0GYR6TTLL) [**2pcs 7d Mascara Fiber Lashes Waterproof Colossal Mascara Black Long-Lasting & Buildable Volume Natural Length Exquisitely Full Lashes Smudge-Proof Thickening Eye Makeup for Defined Curl (0.35 oz)**GROTOLY**$11.00**8 rev2mo ago](https://www.amazon.com/dp/B0GY8SWWJX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**7D Mascara Fiber Lashes Waterproof Upgraded Long-Lasting Hold Smudge-Proof Creates A Voluminous Lash Look with A Gentle Formula Suitable for Daily Use and As A Present Black (1 Pcs)**Chinology**$8.94**3.1★**▲ 18%**](https://www.amazon.com/dp/B0GY8YD78X) [**2Pcs 7D Waterproof Mascara Long-Lasting & Buildable Volume Natural Length Exquisitely Full Lashes Smudge-Proof Thickening Eye Makeup for Defined Curl Ideal for Women Eye Makeup**Generic**$15.28**3.1★**▲ 17%**](https://www.amazon.com/dp/B0GWPG2XHL) [**7D Waterproof Mascara - Colossal Volume Express Mascara Volumizing & Long-Lasting Create Natural Eyelashes (2)**Generic**$13.67**3.0★**▲ 17%**](https://www.amazon.com/dp/B0GWQ6GKZ5) [**2PCS 7D Waterproof Volume Mascara Black Lengthening Thickening Softer Fuller Lashes Mascara 7D Colossal Mascara Long-Lasting & Buildable Volume Ideal for Women Eye Makeup**Generic**$11.34**3.0★**▲ 17%**](https://www.amazon.com/dp/B0GY8RTFYQ) [**2pcs 7d Mascara Fiber Lashes Waterproof Colossal Mascara Black Long-Lasting & Buildable Volume Natural Length Exquisitely Full Lashes Smudge-Proof Thickening Eye Makeup for Defined Curl (0.35 oz)**GROTOLY**$11.00**3.9★**▲ 17%**](https://www.amazon.com/dp/B0GY8SWWJX)
**~~View all trending →~~**
## **What buyers say about 7d mascara fiber lashes waterproof**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Eyelash Quality**32%
*“Great mascara for the price”*
**Water Resistance**8%
*“The water-proofness is absolutely accurate”*
**Smudge Resistance**6%
*“Doesnt smudge”*
**Quality-Overall**5%
*“Overall, it delivers excellent performance for the price and deserves five stars”*
**Durability**5%
*“It held up okay for regular daily wear”*
**Value For Money**4%
*“Good Value”*
**Advertised Vs Actual Product**3%
*“Did as advertised”*
**Ease Of Application**2%
*“It was easy to apply”*
**Soft Feel**2%
*“The bristles are soft”*
**Color**2%
*“It goes on very smoothly and the color is deep and rich”*
### **What buyers complain about **
**Advertised Vs Actual Product**18%
*“Not as advertised”*
**Eyelash Quality**17%
*“My eyelashes fell out”*
**Functionality-Overall**7%
*“Does not work like advertised”*
**Quality-Overall**6%
*“Not quite as good as expected”*
**Thickness**5%
*“It definitely isnt thickening”*
**Ease Of Use**5%
*“Very hard to take off”*
**Smudge Resistance**4%
*“Smudges”*
**Water Resistance**4%
*“Although nowhere on the bottle does it say that it is waterproof, for all intents and purposes, it is waterproof or at least water resistant”*
**Value For Money**3%
*“Too expensive for what you get”*
**Moist/Dry**2%
*“Dried out quickly”*
### **Top return reasons **
**Advertised Vs Actual Product**35%
**Functionality-Overall**13%
**Eyeliner Quality**8%
**Eyelash Quality**8%
**Moist/Dry**6%
**Water Resistance**4%
**Quality-Overall**4%
**Ease Of Use**2%
**Color**2%
**Adhesion/Stickiness**2%
## **Common questions**
- **Is 7d mascara fiber lashes waterproof profitable to sell on Amazon United States?**
- The niche generates $38K/yr across 28 tracked products. 5 of 28 products launched in the last 360 days are still selling. 90-day search growth is +750.2%. Flapen's verdict: Worth a look (66/100).
- **How competitive is the 7d mascara fiber lashes waterproof niche?**
- 16 brands and 29 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 75% of demand.
- **What do buyers complain about in 7d mascara fiber lashes waterproof?**
- Top complaints mined from reviews: Advertised Vs Actual Product, Eyelash Quality, Functionality-Overall. The return rate is 0.1%.
- **What does it cost to enter the 7d mascara fiber lashes waterproof niche?**
- Listings span $7.23–$17.26; the average listing price is $11.89 (sweet spot $15–$100). The average incumbent carries 32 reviews — the moat a new listing must climb.
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