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Interspace Toothbrush

prices mostly outside the sweet spot ($2.07–$11.16) — Interspace Toothbrush doesn't clear our bar today.

Flapen Score

45
Skip it
Market size 21Growth 21Conversion 98Competition 51Returns 100Price range 0Avg price 12Brand share 34Review moat 57Quality gap 42
This niche Category average

Is Interspace Toothbrush profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Interspace Toothbrush is a £85K/yr Amazon United Kingdom market (119K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 45/100.

Interspace Toothbrush: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -7.2% over the last 90 days and 16.5% of searches end in a purchase.

£85K

revenue / yr

Units sold / yr20K
Search volume / yr-7.2%119K
Conversion rate16.5%
Avg price£4.36

Who owns the niche?

The top 5 brands hold 85% of demand, so 15% of the market is open.

15%

open market share

Brands · sellers10 · 87
Top-5 product click share54%
Open market15%
Avg brand age36 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 23 products

Sponsored placement70%
New entrants (1y)5· 0 succeeded
Avg rating4.5★
Avg reviews1,224

Top Interspace Toothbrush products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

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

Brands

10 falling

Sellers

87

Top-5 brand share

85%

Top 20: 100%

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%)

Interspace Toothbrush demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume119KCVR16.5%Products23Brands10Top 5 Brands85%OOS Rate2.9%Rating4.5★Reviews1,224Avg BSR#96
2K2KSpike '26Nov '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26

Top Interspace Toothbrush search terms shoppers use

The exact queries shoppers type, with 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

What reviews say buyers love and hate about Interspace Toothbrush

What buyers mention most, as a share of all reviews.

What buyers love

89% of reviews
Oral Hygiene26%

Great teeth Cleaners

Advertised Vs Actual Product15%

Just as advertised

Quality-Overall15%

Amazing Quality

Value For Money14%

Good price

Ease Of Use6%

Easy to use

What buyers complain about

77% of reviews
Oral Hygiene21%

not as fine bristle to get in between all your teeth

Hard Feel13%

Hard bristles

Size-Overall10%

it is too short

Quality-Overall7%

I will need to buy the better quality ones

Durability7%

Only lasted a few uses

Interspace Toothbrush return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

45%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
33%
2Hard Feel
17%
3Quality-Overall
10%
4Oral Hygiene
7%
5Color
7%

Common Interspace Toothbrush questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Interspace Toothbrush 45/100 on Amazon United Kingdom — Skip it. The niche generates £85K/yr across 23 tracked products. 0 of 5 products launched in the last 360 days are still selling. Search demand moved -7.2% over the last 90 days.
Interspace Toothbrush buyers on Amazon United Kingdom complain most about Oral Hygiene, Hard Feel, Size-Overall, the themes mined from the niche's reviews. Its return rate is 0.1%.