Is interspace toothbrush profitable to sell on Amazon United Kingdom?

The niche generates £85K/yr across 23 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -7.2%. Flapen's verdict: Skip it (45/100).

How competitive is the interspace toothbrush niche?

10 brands and 87 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 85% of demand.

What do buyers complain about in interspace toothbrush?

Top complaints mined from reviews: Oral Hygiene, Hard Feel, Size-Overall. The return rate is 0.1%.

What does it cost to enter the interspace toothbrush niche?

Listings span £2.07–£11.16; the average listing price is £4.36 (sweet spot $15–$100). The average incumbent carries 1,224 reviews — the moat a new listing must climb.

interspace toothbrush

Skip it

Prices mostly outside the sweet spot ($2.07–$11.16) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible16.5%

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

Review moat

Good1,223.61

avg incumbent reviews — the moat a new listing must climb

Competition

Good54%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay85%

top-5 brand share — brands hold most of the demand

Market size

Bad£85K

£85K/yr · 119K searches

Growth

Bad-7.2%

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

Avg price

Bad£4.36

avg listing price — sweet spot $15–$100

Price range

Bad£2.07–£11.16

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

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.

Data updated Jul 24, 2026 · scored weekly · How we score niches

interspace toothbrush market data

Units sold / yr: 15K–20K; avg 500–750/product
Revenue / yr: £65K–£87K; units × avg price
Conversion rate: 16.5%
Avg BSR: #96
Page quality: 0%
Prime: 96%
Sponsored: 70%
Out of stock: 2.9%
Avg brand age: 36 months
Avg seller age: 153 days

Competition & brand share

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

Brands

10 falling

Sellers

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%)

Demand

Weekly Amazon search volume, last 34 weeks — -7.2% search growth over the last 90 days.

Open Trend

Top interspace toothbrush search terms

wisdom toothbrush49K/yr +7.6%12.1% conv.
interspace toothbrush40K/yr -14.2%13.0% conv.
interspace brush11K/yr -16.6%8.9% conv.
wisdom interspace brushes6K/yr -8.0%16.7% conv.
wisdom tooth brush6K/yr -5.6%15.5% conv.
wisdom teeth toothbrush3K/yr -27.6%10.9% conv.
wisdom tooth brushes3K/yr -56.9%12.7% conv.

All search terms

Top interspace toothbrush 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 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Wisdom Interspace Super Slim Assorted

Wisdom£2.674.4★942 rev

Wisdom Interspace Toothbrush Pack of 6

Wisdom£6.904.5★4,501 rev

Cretty-Meet 2pcs Interspace Toothbrush Soft Trim Single Tufted Wisdom Toothbrush for Detail Cleaning and Orthodontic Braces (Green and Blue)

Cretty-Meet£3.444.4★297 rev

4 PCS Interspace Toothbrush Interspace Compact Soft Slim Interspace Teeth Brush Dental Brushes for Orthodontic Braces & Detail Cleaning - Blue Green Rose Red and White

Admygo£3.904.3★51 rev

RAYITO 8 Pcs Interspace Toothbrush Soft Single Tufted Toothbrush with Cover Slim Interspace toothbrushes interdental Brushes for Orthodontic Braces Detail Cleaning(Blue/Green/Rose Red/White)

RAYITO£5.514.4★756 rev

Newest

by launch date

4 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Blue/Green/Rose Red/White)

Muexoee£3.7716 rev

3mo ago

1 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Rose Red)

Muexoee£2.0716 rev

4mo ago

1 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Blue)

Muexoee£2.3316 rev

4mo ago

4 PCS Interspace Toothbrush Interspace Compact Soft Slim Interspace Teeth Brush Dental Brushes for Orthodontic Braces & Detail Cleaning - Blue Green Rose Red and White

Admygo£3.9051 rev

6mo ago

6 Pcs Compact Interspace Toothbrush Single Tufted Interspace Brush Slim Teeth Brush Designed for Effective Dental Cleaning Helps Clean Hard-to-Reach Areas with Deep Cleaning Action

Qullmartle£4.9317 rev

7mo ago

What buyers say about interspace toothbrush

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

What buyers love

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”

Ease Of Cleaning4%

“Cleans brilliantly”

Brush Quality3%

“My favourite brush after regular brushing”

Tooth Sensitivity2%

“Excellent for back teeth and gum line”

Design-Overall2%

“Really well designed and useful”

Soft Feel1%

“As others have mentioned, it is nice and soft, so gentle for both your teeth and gums”

What buyers complain about

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”

Strength5%

“Quite fragile bristles”

Natural Resource Wastage5%

“Wasteful”

Advertised Vs Actual Product5%

“Incorrect description”

Value For Money4%

“Expensive for one toothbrush”

Tooth Sensitivity2%

“in case I get anything stuck in my teeth because toothpicks terrify me”

Top return reasons

Size-Overall33%

Hard Feel17%

Quality-Overall10%

Oral Hygiene7%

Color7%

Soft Feel5%

Functionality-Overall3%

Tooth Brightening2%

Thickness2%

Value For Money2%

Common questions

Is interspace toothbrush profitable to sell on Amazon United Kingdom?: The niche generates £85K/yr across 23 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -7.2%. Flapen's verdict: Skip it (45/100).
How competitive is the interspace toothbrush niche?: 10 brands and 87 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in interspace toothbrush?: Top complaints mined from reviews: Oral Hygiene, Hard Feel, Size-Overall. The return rate is 0.1%.
What does it cost to enter the interspace toothbrush niche?: Listings span £2.07–£11.16; the average listing price is £4.36 (sweet spot $15–$100). The average incumbent carries 1,224 reviews — the moat a new listing must climb.