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56

floss

Launch it

A $18.4M/yr market growing +2.5% this quarter with returns at 0.2% — clears our launch bar.

Market size 100Growth 28Conversion 100Competition 43Returns 99Price range 37Avg price 23Brand share 23Review moat 16Quality gap 48

Market size

Incredible$18.4M

$18.4M/yr · 10.8M searches

Conversion

Incredible20.4%

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

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay59%

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

Price range

Okay$1.14–$22.97

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

Growth

Okay+2.5%

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

Brand share

Bad91%

top-5 brand share — brand-locked demand

Avg price

Bad$8.35

avg listing price — sweet spot $15–$100

Review moat

Bad19,717.69

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, floss is a $18.4M/yr Amazon United States market (10.8M searches/yr). The top 5 brands hold 91% of demand. Verdict: Launch it — 56/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

floss market data

Units sold / yr
1.0M–1.0M
avg 60,000–80,000/product
Revenue / yr
$8.3M–$8.3M
units × avg price
Conversion rate
20.4%
Avg BSR
#17
Page quality
0%
Prime
100%
Sponsored
46%
Out of stock
0.0%
Avg brand age
56 months
Avg seller age
132 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 flat

Sellers

130

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

59%

Top 20: 93%

Open market

5%

  • Oral-B52%
  • Reach20%
  • Plackers8%
  • Cocolab7%
  • GuruNanda4%
  • Amazon Basics4%
  • Open — no brand owns it (3 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +2.5% search growth over the last 90 days.
250K150KPrime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Top floss search terms

  • floss5.3M/yr
  • dental floss2.9M/yr
  • glide dental floss504K/yr
  • oral b floss396K/yr
  • tooth floss233K/yr
  • hilo dental para dientes197K/yr
  • dental floss glide190K/yr
  • glide floss197K/yr
  • floss glide147K/yr
  • oral b glide floss142K/yr
All search terms

Top 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%5%$921K10%$1.8M15%$2.8M20%$3.7M1001K10K100K Reviews — right = deep review moat Market 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.

What buyers say about floss

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

What buyers love

Quality-Overall19%

“Best quality”

Value For Money16%

“Great deal”

Ease Of Use9%

“Easy to Use”

Advertised Vs Actual Product8%

“As advertised”

Durability6%

“didnt break easily”

Efficiency5%

“honestly does the job effectively”

Cleansing4%

“Cleans great”

Ease Of Cleaning3%

“Great at cleaning”

Tooth Sensitivity3%

“Does not hurt my gums and works”

Soft Feel3%

“Super soft”

What buyers complain about

Quality-Overall20%

“Garbage quality”

Durability14%

“Break easily”

Ease Of Use8%

“Awkward to use”

Thickness7%

“does not thicken like the description”

Value For Money7%

“Expensive”

Strength6%

“Not Very Strong”

Material Quality4%

“Cheap material”

Advertised Vs Actual Product3%

“False advertising”

Functionality-Overall3%

“Doesn't work”

Dispensing Mechanism2%

“Defective dispenser”

Top return reasons

Advertised Vs Actual Product21%
Functionality-Overall9%
Quality-Overall8%
Material Quality7%
Value For Money5%
Thickness4%
Defective Material/Parts4%
Size-Overall4%
Ease Of Use3%
Thin3%

Common questions

Is floss profitable to sell on Amazon United States?
The niche generates $18.4M/yr across 26 tracked products. 90-day search growth is +2.5%. Flapen's verdict: Launch it (56/100).
How competitive is the floss niche?
9 brands and 130 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in floss?
Top complaints mined from reviews: Quality-Overall, Durability, Ease Of Use. The return rate is 0.2%.
When does demand for floss peak?
Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the floss niche?
Listings span $1.14–$22.97; the average listing price is $8.35 (sweet spot $15–$100). The average incumbent carries 19,718 reviews — the moat a new listing must climb.