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sp-7 probiotic whitening toothpaste

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 1Growth 15Conversion 24Competition 15Returns 98Price range 93Avg price 95Brand share 0Review moat 72Quality gap 38

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Avg price

Incredible$44.14

avg listing price — sweet spot $15–$100

Price range

Great$12.39–$97.79

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

Review moat

Good603.56

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.9%

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

Growth

Bad-19.0%

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

Competition

Bad82%

top-5 click share — a locked-up shelf

Market size

Bad$4K

$4K/yr · 4K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, sp-7 probiotic whitening toothpaste is a $4K/yr Amazon United States market (4K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb–Sep. Verdict: Skip it — 34/100.

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

sp-7 probiotic whitening toothpaste market data

Units sold / yr
100–250
avg 0–100/product
Revenue / yr
$4K–$11K
units × avg price
Conversion rate
1.9%
Avg BSR
#624
Page quality
0%
Prime
89%
Sponsored
67%
Out of stock
2.6%
Avg brand age
20 months
Avg seller age
230 days

Competition & brand share

The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 flat

Sellers

7

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

82%

Top 20: 100%

Open market

0%

  • Fairtex60%
  • MSDRWIKEY23%
  • KLOUYHTY8%
  • Hymhzy5%
  • OHZH4%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 96 weeks — -19.0% search growth over the last 90 days.
500300Spike '24Spike '25Black Friday '25Spike '26DecMarJunAugNovMarMay

Peak months: Feb, Sep · busiest ÷ quietest = 2.4×

Top sp-7 probiotic whitening toothpaste search terms

  • sp72K/yr
  • sp7 toothpaste2K/yr
  • sp7 probiotic toothpaste whitening414/yr
  • sp-7 probiotic whitening toothpaste41/yr
All search terms

Top sp-7 probiotic whitening toothpaste 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%$37920%$75730%$1K40%$2K1101001K10K Reviews — right = deep review moat Market 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.

What buyers say about sp-7 probiotic whitening toothpaste

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

What buyers love

Tooth Brightening25%

“Whitening the teeths”

Quality-Overall24%

“Quality product”

Value For Money8%

“Excellent product at a fair price”

Breathability7%

“provides fresh breath”

Brightness/Shine/Glow6%

“Bright smile”

Ease Of Cleaning5%

“Clean”

Cleansing5%

“leaves a clean sensation for hours”

Advertised Vs Actual Product4%

“have to say that it comes up to its expectations”

Smell3%

“smells nice”

Efficiency3%

“Works good”

What buyers complain about

Functionality-Overall45%

“Does not work”

Advertised Vs Actual Product18%

“Is that the beginning or the end of the false advertising”

Value For Money18%

“A little expensive for what it claims to do”

Color18%

“my teeth were pretty yellow not gonna lie”

Top return reasons

Size-Overall39%
Advertised Vs Actual Product22%
Functionality-Overall11%
Ingredients-Overall4%
Defective Material/Parts4%
Comfort-Overall3%
Brightness/Shine/Glow3%
Value For Money3%
Thigh Fit2%
Smell2%

Common questions

Is sp-7 probiotic whitening toothpaste profitable to sell on Amazon United States?
The niche generates $4K/yr across 9 tracked products. 90-day search growth is -19.0%. Flapen's verdict: Skip it (34/100).
How competitive is the sp-7 probiotic whitening toothpaste niche?
5 brands and 7 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in sp-7 probiotic whitening toothpaste?
Top complaints mined from reviews: Functionality-Overall, Advertised Vs Actual Product, Value For Money. The return rate is 0.4%.
When does demand for sp-7 probiotic whitening toothpaste peak?
Demand peaks in Feb–Sep; the busiest month runs 2.4× the quietest.
What does it cost to enter the sp-7 probiotic whitening toothpaste niche?
Listings span $12.39–$97.79; the average listing price is $44.14 (sweet spot $15–$100). The average incumbent carries 604 reviews — the moat a new listing must climb.