---
title: "Expanding Floss — $5.9M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/expanding-floss"
last_updated: "2026-08-11T17:37:44.179Z"
locale: en
meta:
  description: "Niche score 62/100 · $5.9M/yr market · 3.2M searches/yr · $13.88 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:description": "Niche score 62/100 · $5.9M/yr market · 3.2M searches/yr · $13.88 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:title": "Expanding Floss — $5.9M/yr Amazon US Niche (2026) - Flapen"
---

# **expanding floss**

**Launch it**

A $5.9M/yr market growing +8.8% this quarter with returns at 0.2% — clears our launch bar.

Market size 98Growth 36Conversion 96Competition 45Returns 99Price range 61Avg price 66Brand share 13Review moat 24Quality gap 65

**Returns**

**Incredible****0.2%**

return rate — above 5% kills the launch gate

**Market size**

**Incredible****$5.9M**

$5.9M/yr · 3.2M searches

**Conversion**

**Incredible****13.2%**

search→purchase rate — share of searches ending in a sale

**Avg price**

**Good****$13.88**

avg listing price — sweet spot $15–$100

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Price range**

**Good****$1.14–$36.71**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Competition**

**Okay****58%**

top-5 click share — leaders hold, buyers still browse

**Growth**

**Okay****+8.8%**

90-day search growth — must beat 0% to launch

**Review moat**

**Bad****6,696.55**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****95%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, expanding floss is a $5.9M/yr Amazon United States market (3.2M searches/yr). The top 5 brands hold 95% of demand. Demand peaks in May–Jun. Verdict: Launch it — 62/100.

Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **expanding floss market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**400K–500K**</dd><dd>avg 40,000–50,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$5.6M–$6.9M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**13.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#60**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**90%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**52 months**</dd>

<dt>**Avg seller age**</dt><dd>**135 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**10 **▲rising

**Sellers**

**502**

**Top-5 brand share**

**95%**

Top 20: 100%

**Top-5 click share**

**58%**

Top 20: 100%

**Open market**

**4%**

- Cocolab65% - GuruNanda15% - Burst11% - GUM2% - Brushmo2% - NOBS2% - Open — no brand owns it (4 brands, 4%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +8.8% search growth over the last 90 days.

100K60KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: May, Jun · busiest ÷ quietest = 6.0×

[**Open Trend **](https://flapen.com/research/us/health-household/expanding-floss/trend)

## **Top expanding floss search terms**

- **cocofloss**1.2M/yr-15.4%10.2% conv. - **expanding floss**586K/yr+69.8%10.6% conv. - **coco floss**454K/yr-24.8%8.6% conv. - **cocolab floss**144K/yr+38.1%7.0% conv. - **cocofloss dental floss**109K/yr+36.0%7.7% conv. - **expanding dental floss**69K/yr+80.9%7.7% conv. - **guru nanda floss**79K/yr+16.4%5.6% conv. - **cocolab**78K/yr+28.1%4.5% conv. - **coco floss dental floss**100K/yr+4.1%7.8% conv. - **expandable floss**64K/yr+81.2%9.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/expanding-floss/search-terms)

## **Top expanding 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%4%$234K8%$468K12%$702K16%$937K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Cocofloss Expanding Woven Dental Floss by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Strawberry Scent 1 Pack](https://m.media-amazon.com/images/I/31S328CyktL.jpg)**Cocofloss Expanding Woven Dental Floss by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Strawberry Scent 1 Pack**Cocolab**$9.98**4.5★21,122 rev](https://www.amazon.com/dp/B08DP6NCHX) [2![Cocofloss Expanding Woven Dental Floss by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Mint Scent 3 Pack](https://m.media-amazon.com/images/I/31xH7oaP5YL.jpg)**Cocofloss Expanding Woven Dental Floss by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Mint Scent 3 Pack**Cocolab**$28.35**4.5★21,122 rev](https://www.amazon.com/dp/B0108T9C2E) [3![Cocofloss Expanding Woven Dental Floss by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Mint Scent 1 Pack](https://m.media-amazon.com/images/I/31le-dIrNjL.jpg)**Cocofloss Expanding Woven Dental Floss by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Mint Scent 1 Pack**Cocolab**$10.01**4.5★21,122 rev](https://www.amazon.com/dp/B082BF4TYW) [4![GuruNanda Expandable Waxed Dental Floss for Gentle Deep Cleaning Wide Teeth Flossing - Peppermint Flavor - 55 Yards 1 Count](https://m.media-amazon.com/images/I/51SdrA8za4L.jpg)**GuruNanda Expandable Waxed Dental Floss for Gentle Deep Cleaning Wide Teeth Flossing - Peppermint Flavor - 55 Yards 1 Count**GuruNanda**$1.97**4.5★3,176 rev](https://www.amazon.com/dp/B0DN1S2C5K) [5![BURST Expanding Dental Floss (Mint Eucalyptus/40 Yards) | Stain Absorbing & Woven Tooth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss](https://m.media-amazon.com/images/I/41QNT6PM9jL.jpg)**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)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Cocoshine 15% Nano-Hydroxyapatite Formula Toothpaste by Cocolab Fluoride-Free with Xylitol & Coconut Oil Sensitive Teeth Whitening Formula for Adults & Kids Mint 4 oz](https://m.media-amazon.com/images/I/31vTWC93ZpL.jpg)**Cocoshine 15% Nano-Hydroxyapatite Formula Toothpaste by Cocolab Fluoride-Free with Xylitol & Coconut Oil Sensitive Teeth Whitening Formula for Adults & Kids Mint 4 oz**Cocolab**$14.48**437 rev8mo ago](https://www.amazon.com/dp/B0FKNML3SD) [![Kids Reflosser by Cocolab Reusable Floss Holder BPA Free Flosser for Children Easy to Use Kids Floss Pick for Ages 5 and Under 1 Pack Cocofloss Not Included](https://m.media-amazon.com/images/I/31HUOUKsJWL.jpg)**Kids Reflosser by Cocolab Reusable Floss Holder BPA Free Flosser for Children Easy to Use Kids Floss Pick for Ages 5 and Under 1 Pack Cocofloss Not Included**Cocolab**$13.87**157 rev1y ago](https://www.amazon.com/dp/B0F2P4477Z) [![GuruNanda Expandable Waxed Dental Floss for Gentle Deep Cleaning Wide Teeth Flossing - Peppermint Flavor - 55 Yards 1 Count](https://m.media-amazon.com/images/I/51SdrA8za4L.jpg)**GuruNanda Expandable Waxed Dental Floss for Gentle Deep Cleaning Wide Teeth Flossing - Peppermint Flavor - 55 Yards 1 Count**GuruNanda**$1.97**3,176 rev1y ago](https://www.amazon.com/dp/B0DN1S2C5K) [![Cocofloss Expanding Woven Dental Floss Refill by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Mint Scent 3 Pack Refills](https://m.media-amazon.com/images/I/31Lk2djFzAL.jpg)**Cocofloss Expanding Woven Dental Floss Refill by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Mint Scent 3 Pack Refills**Cocolab**$23.91**21,122 rev2y ago](https://www.amazon.com/dp/B0CYDN1948) [![GuruNanda Expandable Waxed Dental Floss for Gentle Deep Cleaning Wide Teeth Flossing - Cinnamon Flavor - 55 Yards](https://m.media-amazon.com/images/I/512ZQXLi8UL.jpg)**GuruNanda Expandable Waxed Dental Floss for Gentle Deep Cleaning Wide Teeth Flossing - Cinnamon Flavor - 55 Yards**GuruNanda**$1.14**3,176 rev2y ago](https://www.amazon.com/dp/B0CT42FKG3)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![NOBS (No Bad Stuff) Expanding Dental Floss - Nigella Sativa Eucalyptus Cruelty-Free Sustainable Packaging](https://m.media-amazon.com/images/I/41vFVjXfr6L.jpg)**NOBS (No Bad Stuff) Expanding Dental Floss - Nigella Sativa Eucalyptus Cruelty-Free Sustainable Packaging**NOBS**$9.96**4.4★**▲ 131%**](https://www.amazon.com/dp/B0CQH5VVG1) [![Burst Expanding Dental Floss (Mint Eucalyptus/80 Yards) | Stain Absorbing & Woven Tooth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss](https://m.media-amazon.com/images/I/51cQdPR4nnL.jpg)**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★**▲ 130%**](https://www.amazon.com/dp/B0CQD7BG9B) [![Brushmo Black Floss (BBFloss) - Expanding Floss Gum-Friendly Soothing Mint Dental Floss Natural Vegan Wax to Remove Plaque from Teeth US-Dentist Designed PTFE & PFAS Free Oral Care 1 Spool 55 yd](https://m.media-amazon.com/images/I/419ZhONsw4L.jpg)**Brushmo Black Floss (BBFloss) - Expanding Floss Gum-Friendly Soothing Mint Dental Floss Natural Vegan Wax to Remove Plaque from Teeth US-Dentist Designed PTFE & PFAS Free Oral Care 1 Spool 55 yd**Brushmo**$8.34**4.4★**▲ 89%**](https://www.amazon.com/dp/B0CS8WKBDN) [![Cocofloss Expanding Woven Dental Floss by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Strawberry Scent 1 Pack](https://m.media-amazon.com/images/I/31S328CyktL.jpg)**Cocofloss Expanding Woven Dental Floss by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Strawberry Scent 1 Pack**Cocolab**$9.98**4.5★**▲ 79%**](https://www.amazon.com/dp/B08DP6NCHX) [![BURST Expanding Dental Floss (Mint Eucalyptus/40 Yards) | Stain Absorbing & Woven Tooth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss](https://m.media-amazon.com/images/I/41QNT6PM9jL.jpg)**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★**▲ 79%**](https://www.amazon.com/dp/B0CQD8J54W)

**~~View all trending →~~**

## **What buyers say about expanding floss**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**13%

*“Excellent quality with beautiful blue colour”*

**Value For Money**13%

*“Great value”*

**Cleansing**9%

*“cleans really well”*

**Tooth Brightening**6%

*“teeth getting brighter”*

**Ease Of Use**6%

*“Easy To Use”*

**Stretchability/Expandability/Elasticity**5%

*“It stretchy”*

**Thickness**5%

*“This floss is thick”*

**Ease Of Cleaning**4%

*“Cleans well”*

**Efficiency**4%

*“honestly does the job effectively”*

**Advertised Vs Actual Product**4%

*“Exactly what I order”*

### **What buyers complain about **

**Value For Money**19%

*“It is expensive”*

**Thickness**13%

*“does not thicken like the description”*

**Ease Of Use**10%

*“difficult to remove”*

**Durability**6%

*“Falls Apart”*

**Quality-Overall**5%

*“Very cheap quality”*

**Stretchability/Expandability/Elasticity**5%

*“not the same, very thin and not expanding”*

**Functionality-Overall**4%

*“dont work well”*

**Advertised Vs Actual Product**3%

*“Inaccurate description”*

**Strength**2%

*“Brittle”*

**Size-Overall**2%

*“short”*

### **Top return reasons **

**Advertised Vs Actual Product**17%

**Functionality-Overall**12%

**Thickness**8%

**Value For Money**6%

**Stretchability/Expandability/Elasticity**6%

**Size-Overall**6%

**Defective Material/Parts**5%

**Ease Of Use**4%

**Quality-Overall**4%

**Material Quality**3%

## **Common questions**

<dl>

<dt>**Is expanding floss profitable to sell on Amazon United States?**</dt><dd>The niche generates $5.9M/yr across 20 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +8.8%. Flapen's verdict: Launch it (62/100).</dd>

<dt>**How competitive is the expanding floss niche?**</dt><dd>10 brands and 502 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 95% of demand.</dd>

<dt>**What do buyers complain about in expanding floss?**</dt><dd>Top complaints mined from reviews: Value For Money, Thickness, Ease Of Use. The return rate is 0.2%.</dd>

<dt>**When does demand for expanding floss peak?**</dt><dd>Demand peaks in May–Jun; the busiest month runs 6.0× the quietest.</dd>

<dt>**What does it cost to enter the expanding floss niche?**</dt><dd>Listings span $1.14–$36.71; the average listing price is $13.88 (sweet spot $15–$100). The average incumbent carries 6,697 reviews — the moat a new listing must climb.</dd>

</dl>

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