---
title: "Smashbox Eyeliner — $91K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/smashbox-eyeliner"
last_updated: "2026-08-10T06:22:24.787Z"
locale: en
meta:
description: "Niche score 50/100 · $91K/yr market · 24K searches/yr. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $91K/yr market · 24K searches/yr. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Smashbox Eyeliner — $91K/yr Amazon US Niche (2026) - Flapen"
---
# **smashbox eyeliner**
**Worth a look**
Shows searches that convert (16.6% search→purchase), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 23Growth 36Conversion 98Competition 13Returns 84Price range 95Avg price 95Brand share 0Review moat 45Quality gap 94
**Conversion**
**Incredible****16.6%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$23.11**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$16.37–$25.33**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.0★**
avg incumbent rating — lower means beatable quality
**Returns**
**Great****1.6%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****1,999.22**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+8.4%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$91K**
$91K/yr · 24K searches
**Competition**
**Bad****84%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, smashbox eyeliner is a $91K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Oct. Verdict: Worth a look — 50/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **smashbox eyeliner market data**
- **Units sold / yr**
- **3K–4K**
- avg 250–500/product
- **Revenue / yr**
- **$69K–$92K**
- units × avg price
- **Conversion rate**
- **16.6%**
- **Avg BSR**
- **#224**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **109 months**
- **Avg seller age**
- **155 days**
## **Competition & brand share**
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▲rising
**Sellers**
**4**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**84%**
Top 20: 100%
**Open market**
**0%**
- Smashbox97% - URBAN DECAY3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 96 weeks — +8.4% search growth over the last 90 days.
1K600Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Oct · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/smashbox-eyeliner/trend)
## **Top smashbox eyeliner 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%10%$9K20%$18K30%$27K40%$37K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Smashbox Always Sharp Longwear Kohl Eyeliner Pencil | Self-Sharpening Cap When You Twist | Long Lasting Waterproof Eyeliner 0.01 Ounce Sumatra**Smashbox**$23.86**3.7★407 rev](https://www.amazon.com/dp/B00DJ58NFC) [2**Smashbox Always Sharp Longwear Kohl Eyeliner Pencil | Self-Sharpening Cap When You Twist | Long Lasting Waterproof Eyeliner 0.01 Ounce Raven**Smashbox**$23.51**3.7★407 rev](https://www.amazon.com/dp/B00DJ58NN4) [3**Smashbox Always On Gel Eye Liner | 24-Hour Waterproof Eyeliner Pencil for Long-Lasting Pigment-Rich Color | Gel Liner for Eye Makeup and Waterline Brewed 0.04 Ounce**Smashbox**$23.59**4.5★591 rev](https://www.amazon.com/dp/B06Y2652K6) [4**Smashbox Always On Gel Eye Liner | 24-Hour Waterproof Eyeliner Pencil for Long-Lasting Pigment-Rich Color | Gel Liner for Eye Makeup and Waterline Fishnet 0.04 Ounce**Smashbox**$22.15**4.5★591 rev](https://www.amazon.com/dp/B06XWMZFHV) [5**Smashbox Always Sharp Longwear Kohl Eyeliner Pencil | Self-Sharpening Cap When You Twist | Long Lasting Waterproof Eyeliner 0.01 Ounce Violetta**Smashbox**$25.33**3.7★407 rev](https://www.amazon.com/dp/B00DJ58M3A)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Smashbox Always On Liquid 24-Hour Eye Liner | Long Lasting + Waterproof with Dramatic Precision Black 0.02 Ounce**Smashbox**$23.43**396 rev8y ago](https://www.amazon.com/dp/B07B79SPPG) [**Smashbox Always On Gel Eye Liner | 24-Hour Waterproof Eyeliner Pencil for Long-Lasting Pigment-Rich Color | Gel Liner for Eye Makeup and Waterline Brewed 0.04 Ounce**Smashbox**$23.59**591 rev9y ago](https://www.amazon.com/dp/B06Y2652K6) [**Smashbox Always On Gel Eye Liner | 24-Hour Waterproof Eyeliner Pencil for Long-Lasting Pigment-Rich Color | Gel Liner for Eye Makeup and Waterline Fishnet 0.04 Ounce**Smashbox**$22.15**591 rev9y ago](https://www.amazon.com/dp/B06XWMZFHV) [**Smashbox Always Sharp Longwear Kohl Eyeliner Pencil | Self-Sharpening Cap When You Twist | Long Lasting Waterproof Eyeliner 0.01 Ounce Sumatra**Smashbox**$23.86**407 rev13y ago](https://www.amazon.com/dp/B00DJ58NFC) [**Smashbox Always Sharp Longwear Kohl Eyeliner Pencil | Self-Sharpening Cap When You Twist | Long Lasting Waterproof Eyeliner 0.01 Ounce Raven**Smashbox**$23.51**407 rev13y ago](https://www.amazon.com/dp/B00DJ58NN4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Smashbox Always Sharp Longwear Kohl Eyeliner Pencil | Self-Sharpening Cap When You Twist | Long Lasting Waterproof Eyeliner 0.01 Ounce Violetta**Smashbox**$25.33**3.7★**▲ 65%**](https://www.amazon.com/dp/B00DJ58M3A) [**URBAN DECAY 24/7 Glide-On Waterproof Eyeliner Pencil - Smudge-Proof Long-Lasting Transfer-Proof Up to 16HR Wear Smooth No-Tug Formula Perversion (Matte Blackest Black) - 0.04 oz**URBAN DECAY**$16.37**4.3★**▲ 30%**](https://www.amazon.com/dp/B006Z79SBE) [**Smashbox Always On Gel Eye Liner | 24-Hour Waterproof Eyeliner Pencil for Long-Lasting Pigment-Rich Color | Gel Liner for Eye Makeup and Waterline Fishnet 0.04 Ounce**Smashbox**$22.15**4.5★**— 9%**](https://www.amazon.com/dp/B06XWMZFHV) [**Smashbox Always Sharp Longwear Kohl Eyeliner Pencil | Self-Sharpening Cap When You Twist | Long Lasting Waterproof Eyeliner 0.01 Ounce Raven**Smashbox**$23.51**3.7★**— 3%**](https://www.amazon.com/dp/B00DJ58NN4) [**Smashbox Always Sharp Longwear Kohl Eyeliner Pencil | Self-Sharpening Cap When You Twist | Long Lasting Waterproof Eyeliner 0.01 Ounce Sumatra**Smashbox**$23.86**3.7★**— 6%**](https://www.amazon.com/dp/B00DJ58NFC)
**~~View all trending →~~**
## **What buyers say about smashbox eyeliner**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Color**21%
*“color is nice”*
**Ease Of Application**14%
*“smooth to apply”*
**Soft Feel**13%
*“Goes on smooth”*
**Quality-Overall**10%
*“Good liner”*
**Water Resistance**9%
*“💯 recommend waterproof”*
**Durability**7%
*“And stays on for hours”*
**Ease Of Use**6%
*“Easy to Use”*
**Smudge Resistance**4%
*“Does not smudge”*
**Thickness**1%
*“the thickness is easy to control”*
**Value For Money**1%
*“Worth it”*
### **What buyers complain about **
**Durability**18%
*“Breaks easily”*
**Value For Money**17%
*“Very expensive”*
**Moist/Dry**17%
*“The product is dry”*
**Quality-Overall**9%
*“quality has really declined, black isnt as pigmented, doesnt stay as long, and the one gripe i have is this was the perfect contact, allergy, sensitive dry eye safe eyeliner for me and its disappointing to see the quality decline”*
**Smudge Resistance**7%
*“I have spent so much money in trying to find a good smudge proof Kajal”*
**Ease Of Use**6%
*“is impossible to use”*
**Hard Feel**6%
*“It wasnt soft like the first time”*
**Color**5%
*“Its too dark”*
**Water Resistance**4%
*“Didn't work as waterproof for me”*
**Size-Overall**1%
*“just expect it to be a big longer”*
### **Top return reasons **
**Color**19%
**Moist/Dry**12%
**Functionality-Overall**12%
**Advertised Vs Actual Product**11%
**Defective Material/Parts**10%
**Durability**9%
**Water Resistance**6%
**Product Condition**5%
**Value For Money**3%
**Ease Of Use**2%
## **Common questions**
- **Is smashbox eyeliner profitable to sell on Amazon United States?**
- The niche generates $91K/yr across 9 tracked products. 90-day search growth is +8.4%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the smashbox eyeliner niche?**
- 2 brands and 4 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in smashbox eyeliner?**
- Top complaints mined from reviews: Durability, Value For Money, Moist/Dry. The return rate is 1.6%.
- **When does demand for smashbox eyeliner peak?**
- Demand peaks in Oct; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the smashbox eyeliner niche?**
- Listings span $16.37–$25.33; the average listing price is $23.11 (sweet spot $15–$100). The average incumbent carries 1,999 reviews — the moat a new listing must climb.
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