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Interspace Toothbrush

Fail

Prices span $2.07–$11.16, mostly outside the sweet spot, so Interspace Toothbrush is a Fail.

Flapen Score
45
45 / 100
Ranks 1,255 of 2,035 Health & Personal Care niches · −3 vs the category median of 48
Market size
£85K/yr119K searches / yr
90-day growth
-7.2%search demand this quarter
Competition
54%top-5 click share · 10 brands · 87 sellers

Flapen Score

Interspace Toothbrush against its category

The dotted line is the Health & Personal Care average. Past it, Interspace Toothbrush is stronger. Inside it, weaker.

45Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Interspace Toothbrush market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Interspace Toothbrush 119K times last year and spent an estimated £85K. The top 5 brands take 85% of clicks. Flapen scores it 45 out of 100, a Fail.

01 · Demand

An estimated 16.5% of those searches ended in a purchase.

Shoppers searched for this 119K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 16.5% of those searches ended in a purchase. Searches in the last 90 days moved -7.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £85K a year.

Searches, last 12 months
119K
Growth, 90 days vs prior 90
-7.2%
Conversion, latest week
16.5%
Market size, estimated
£85Ka year
Top search term
wisdom toothbrush49K searches a year

02 · Price

A sale here is worth £4.36.

Listings sell for £4.36 on average, from £2.07 to £11.16. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 500 to 750 of them. At £4.36 that is £2K to £3K a year per listing.

Average price
£4.36under the $15 to $100 sweet spot
Price range
£2.07–£11.16
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
15K–20K
Units per listing a year
500–750
Revenue per listing a year
£2K–£3K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

70% of listings pay for placement with sponsored ads. 96% ship with Prime. On an average day, 2.9% of listings are out of stock. The average listing ranks #96 within Dental Care. It carries 1,224 reviews at 4.50 stars, so a new listing needs social proof before a better product.

Sponsored listings
70%
Prime listings
96%
Out of stock, average day
2.9%
Average rank
#96in Dental Care
Average rating
4.50 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,224per listing
Listings tracked
23

04 · Newcomers

0 of last year's 5 launches cleared the first-year sales bar.

5 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 36 months on average, so the names here are settling in.

Launched, last 12 months
5
Successful launches
0Amazon's first-year sales bar
Average brand age
36 months

Products

Top Interspace Toothbrush products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 54% of clicks. Leaders hold, but buyers still shop past them.

£0£9K£17K£26K£34K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

10 falling

Sellers

87

Est. top-5 brand share

85%

Top 20: 100%

Est. top-5 click share

54%

Top 20: 97%

Open market

10%

  • Wisdom58%
  • Cretty-Meet8%
  • TePe7%
  • Admygo6%
  • RAYITO6%
  • Muexoee5%
  • Open — no brand owns it (4 brands, 10%)

Demand

Interspace Toothbrush search demand

Weekly searches over the year, seasonality beneath. Pick a range.

2K2KSpike '26DecJanFebMarAprMayJunJul

Peak months: Jun · busiest ÷ quietest = 2.7× · 8 of 12 months tracked

Search terms

Top Interspace Toothbrush search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • wisdom toothbrush49K/yr
  • interspace toothbrush40K/yr
  • interspace brush11K/yr
  • wisdom interspace brushes6K/yr
  • wisdom tooth brush6K/yr
  • wisdom teeth toothbrush3K/yr
  • wisdom tooth brushes3K/yr

Reviews and returns

What reviews say buyers love and hate about Interspace Toothbrush

We read the reviews and the return reasons for every product selling here.

26%of positive reviews mention “Oral Hygiene”
21%of negative reviews mention “Oral Hygiene”
0.1%of orders come back
“not as fine bristle to get in between all your teeth”
A buyer, on “Oral Hygiene”21% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

19 topics

NegativePositive

FAQ

Common Interspace Toothbrush questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data