---
title: "Black Floss — $2.0M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/black-floss"
last_updated: "2026-08-10T06:14:56.272Z"
locale: en
meta:
description: "Niche score 62/100 · $2.0M/yr market · 728K searches/yr · $15.75 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 62/100 · $2.0M/yr market · 728K searches/yr · $15.75 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Black Floss — $2.0M/yr Amazon US Niche (2026) - Flapen"
---
# **black floss**
**Launch it**
A $2.0M/yr market growing +36.5% this quarter with returns at 0.1% — clears our launch bar.
Market size 94Growth 60Conversion 98Competition 22Returns 100Price range 81Avg price 77Brand share 0Review moat 65Quality gap 43
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****17.1%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****$2.0M**
$2.0M/yr · 728K searches
**Price range**
**Great****$5.80–$56.94**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$15.75**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****918.33**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+36.5%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****73%**
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, black floss is a $2.0M/yr Amazon United States market (728K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Nov–Dec. Verdict: Launch it — 62/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black floss market data**
- **Units sold / yr**
- **80K–100K**
- avg 5,000–6,000/product
- **Revenue / yr**
- **$1.3M–$1.6M**
- units × avg price
- **Conversion rate**
- **17.1%**
- **Avg BSR**
- **#88**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **1.4%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **131 days**
## **Competition & brand share**
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▼falling
**Sellers**
**10**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**73%**
Top 20: 100%
**Open market**
**0%**
- Burst98% - Brushmo2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 52 weeks — +36.5% search growth over the last 90 days.
25K15KPrime Day '25Spike '25Black Friday '25Holiday '25Spike '26 seasonAugSepOctNovDecJanFebMarAprMayJun
Peak months: Apr, May, Jun, Nov, Dec · busiest ÷ quietest = 15.1×
[**Open Trend **](https://flapen.com/research/us/health-household/black-floss/trend)
## **Top black floss search terms**
- **burst floss**435K/yr+42.4%11.3% conv. - **burst dental floss**87K/yr+60.4%13.9% conv. - **burst**52K/yr+27.6%3.0% conv. - **burst expanding floss**21K/yr+261.2%11.5% conv. - **black floss**42K/yr-8.8%7.8% conv. - **burst expanding dental floss**23K/yr-31.6%13.1% conv. - **black dental floss**15K/yr-9.8%6.9% conv. - **burst oral care**12K/yr+6.2%1.7% conv. - **black expanding floss**9K/yr-14.0%8.2% conv. - **floss burst**8K/yr+40.7%10.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/black-floss/search-terms)
## **Top black floss 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%$196K20%$392K30%$588K40%$785K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**BURST Expanding Dental Floss (Mint Eucalyptus/40 Yards) | Stain Absorbing & Woven Tooth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss**Burst**$5.80**4.6★2,106 rev](https://www.amazon.com/dp/B0CQD8J54W) [2**Burst Expanding Dental Floss (Mint Eucalyptus/80 Yards) | Stain Absorbing & Woven Tooth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss**Burst**$11.90**4.6★2,106 rev](https://www.amazon.com/dp/B0CQD7BG9B) [3**BURST Expanding Dental Floss Refills (32 Yards/3 Pack) | Mint Eucalyptus Aroma Bobbins | Woven Tooth Floss | Stain-Absorbing | Vegan | Paraben BPA & Cruelty-Free | Smart Expanding Floss Refills**Burst**$14.97**4.6★1,326 rev](https://www.amazon.com/dp/B091D18MQQ) [4**BURST Expanding Dental Floss (Watermelon Mint/40 Yards) | Stain Absorbing & Woven Tooth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss**Burst**$6.08**4.5★107 rev](https://www.amazon.com/dp/B0GQZBXS66) [5**BURST Expanding Dental Floss (Mint Eucalyptus/160 Yards) | Stain Absorbing & Woven Teeth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss**Burst**$22.78**4.6★2,106 rev](https://www.amazon.com/dp/B0CJ3GD2W7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BURST Adult Dental Floss Picks (180 Count/2 Pack) | Mint Eucalyptus | Dental Flossable Picks | Tooth Picks Flossers for Adults Gum Health Oral Care & Hygiene**Burst**$12.08**69 rev3mo ago](https://www.amazon.com/dp/B0GWK2P91P) [**BURST Expanding Dental Floss (Watermelon Mint/40 Yards) | Stain Absorbing & Woven Tooth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss**Burst**$6.08**107 rev4mo ago](https://www.amazon.com/dp/B0GQZBXS66) [**BURST Expanding Dental Floss (Juniper Berry/40 Yards) | Stain Absorbing & Woven Tooth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss**Burst**$6.04**93 rev4mo ago](https://www.amazon.com/dp/B0GR1KXBQN) [**BURST Adult Dental Floss Picks (90 Count/1 Pack) | Mint Eucalyptus | Dental Flossable Picks | Tooth Picks Flossers for Adults Gum Health Oral Care & Hygiene**Burst**$6.14**69 rev4mo ago](https://www.amazon.com/dp/B0GPQ9JBQ2) [**BURST Big Dental Floss Dispenser (273 Yards XL Spool) | Mint Eucalyptus | Stain Absorbing & Woven Expanding Dental Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Tooth Floss**Burst**$56.94**62 rev8mo ago](https://www.amazon.com/dp/B0FX2T8RSD)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BURST Adult Dental Floss Picks (180 Count/2 Pack) | Mint Eucalyptus | Dental Flossable Picks | Tooth Picks Flossers for Adults Gum Health Oral Care & Hygiene**Burst**$12.08**4.2★**▲ 160%**](https://www.amazon.com/dp/B0GWK2P91P) [**BURST Adult Dental Floss Picks (90 Count/1 Pack) | Mint Eucalyptus | Dental Flossable Picks | Tooth Picks Flossers for Adults Gum Health Oral Care & Hygiene**Burst**$6.14**4.2★**▲ 159%**](https://www.amazon.com/dp/B0GPQ9JBQ2) [**BURST Expanding Dental Floss (Juniper Berry/40 Yards) | Stain Absorbing & Woven Tooth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss**Burst**$6.04**4.6★**▲ 157%**](https://www.amazon.com/dp/B0GR1KXBQN) [**BURST Expanding Dental Floss (Watermelon Mint/40 Yards) | Stain Absorbing & Woven Tooth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss**Burst**$6.08**4.5★**▲ 148%**](https://www.amazon.com/dp/B0GQZBXS66) [**BURST Big Dental Floss Dispenser (273 Yards XL Spool) | Mint Eucalyptus | Stain Absorbing & Woven Expanding Dental Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Tooth Floss**Burst**$56.94**4.3★**▲ 63%**](https://www.amazon.com/dp/B0FX2T8RSD)
**~~View all trending →~~**
## **What buyers say about black floss**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**13%
*“Best quality”*
**Cleansing**10%
*“it actually feels clean”*
**Value For Money**9%
*“Worth the money”*
**Ease Of Use**8%
*“Easy to work with”*
**Ease Of Cleaning**5%
*“still cleans really well”*
**Color**5%
*“and the color looks good”*
**Tooth Brightening**5%
*“Great product that cleans your teeth very well”*
**Efficiency**4%
*“honestly does the job effectively”*
**Thickness**4%
*“Nice and thick”*
**Advertised Vs Actual Product**4%
*“Exactly what I order”*
### **What buyers complain about **
**Value For Money**19%
*“Expensive”*
**Thickness**13%
*“it was way too thick for my teeth”*
**Ease Of Use**11%
*“were difficult to remove”*
**Durability**6%
*“Breaks easily”*
**Stretchability/Expandability/Elasticity**4%
*“not the same, very thin and not expanding”*
**Quality-Overall**3%
*“Poor quality”*
**Strength**3%
*“Was so weak”*
**Functionality-Overall**3%
*“One container didnt work”*
**Size-Overall**2%
*“Tight teeth”*
**Advertised Vs Actual Product**2%
*“All the advertising is false”*
### **Top return reasons **
**Advertised Vs Actual Product**17%
**Functionality-Overall**8%
**Thickness**8%
**Value For Money**6%
**Defective Material/Parts**6%
**Stretchability/Expandability/Elasticity**6%
**Size-Overall**6%
**Ease Of Use**5%
**Dispensing Mechanism**4%
**Product Condition**4%
## **Common questions**
- **Is black floss profitable to sell on Amazon United States?**
- The niche generates $2.0M/yr across 12 tracked products. 5 of 5 products launched in the last 360 days are still selling. 90-day search growth is +36.5%. Flapen's verdict: Launch it (62/100).
- **How competitive is the black floss niche?**
- 2 brands and 10 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in black floss?**
- Top complaints mined from reviews: Value For Money, Thickness, Ease Of Use. The return rate is 0.1%.
- **When does demand for black floss peak?**
- Demand peaks in Apr–May–Jun–Nov–Dec; the busiest month runs 15.1× the quietest.
- **What does it cost to enter the black floss niche?**
- Listings span $5.80–$56.94; the average listing price is $15.75 (sweet spot $15–$100). The average incumbent carries 918 reviews — the moat a new listing must climb.
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