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.

black floss

Launch it

A $2.0M/yr market growing +36.5% this quarter with returns at 0.1% — clears our launch bar.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible17.1%

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

Good918.33

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

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Bad73%

top-5 click share — a locked-up shelf

Brand share

Bad100%

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

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

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

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.

Peak months: Apr, May, Jun, Nov, Dec · busiest ÷ quietest = 15.1×

Open Trend

Top black floss search terms

burst floss435K/yr +42.4%11.3% conv.
burst dental floss87K/yr +60.4%13.9% conv.
burst52K/yr +27.6%3.0% conv.
burst expanding floss21K/yr +261.2%11.5% conv.
black floss42K/yr -8.8%7.8% conv.
burst expanding dental floss23K/yr -31.6%13.1% conv.
black dental floss15K/yr -9.8%6.9% conv.
burst oral care12K/yr +6.2%1.7% conv.
black expanding floss9K/yr -14.0%8.2% conv.
floss burst8K/yr +40.7%10.9% conv.

All 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.

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

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$5.804.6★2,106 rev

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$11.904.6★2,106 rev

Burst$14.974.6★1,326 rev

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$6.084.5★107 rev

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$22.784.6★2,106 rev

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$12.0869 rev

3mo ago

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$6.08107 rev

4mo ago

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$6.0493 rev

4mo ago

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$6.1469 rev

4mo ago

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$56.9462 rev

8mo ago

What buyers say about black floss

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

What buyers love

Quality-Overall13%

“Best quality”

Cleansing10%

“it actually feels clean”

Value For Money9%

“Worth the money”

Ease Of Use8%

“Easy to work with”

Ease Of Cleaning5%

“still cleans really well”

Color5%

“and the color looks good”

Tooth Brightening5%

“Great product that cleans your teeth very well”

Efficiency4%

“honestly does the job effectively”

Thickness4%

“Nice and thick”

Advertised Vs Actual Product4%

“Exactly what I order”

What buyers complain about

Value For Money19%

“Expensive”

Thickness13%

“it was way too thick for my teeth”

Ease Of Use11%

“were difficult to remove”

Durability6%

“Breaks easily”

Stretchability/Expandability/Elasticity4%

“not the same, very thin and not expanding”

Quality-Overall3%

“Poor quality”

Strength3%

“Was so weak”

Functionality-Overall3%

“One container didnt work”

Size-Overall2%

“Tight teeth”

Advertised Vs Actual Product2%

“All the advertising is false”

Top return reasons

Advertised Vs Actual Product17%

Functionality-Overall8%

Thickness8%

Value For Money6%

Defective Material/Parts6%

Stretchability/Expandability/Elasticity6%

Size-Overall6%

Ease Of Use5%

Dispensing Mechanism4%

Product Condition4%

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.

black floss

black floss market data

Competition & brand share

Demand & seasonality

Top black floss search terms

Top black floss products on Amazon

Top sellers

Newest

Trending

What buyers say about black floss

What buyers love

What buyers complain about

Top return reasons

Common questions

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