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philips sonicare ersatzbürsten schwarz

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

Market size 60Growth 18Conversion 95Competition 24Returns 98Price range 78Avg price 95Brand share 0Review moat 43Quality gap 28

Returns

Incredible0.4%

return rate — above 6% kills the launch gate

Conversion

Incredible12.7%

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

Avg price

Incredible€24.21

avg listing price — sweet spot $15–$100

Price range

Great€7.97–€40.62

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

Market size

Good€514K

€514K/yr · 168K searches

Review moat

Okay2,180.21

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad72%

top-5 click share — a locked-up shelf

Growth

Bad-13.9%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 flat

Sellers

35

Top-5 brand share

100%

Open market

0%

  • PHILIPS91%
  • valuabletry4%
  • Jarubekil2%
  • Rebeool2%
  • Aster Dental Care1%
  • Open — no brand owns it (0%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%€51K20%€103K30%€154K40%€206K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.9% search growth over the last 90 days.
8K6KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov · busiest ÷ quietest = 6.9×

Reviews

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

What buyers love

Mundhygiene19%

“Zahnbürsten passen optimal auf meine Dental Zahnbürste”

Qualität insgesamt19%

“Super Produkt”

Preis-Leistungs-Verhältnis15%

“Super Preis/Leistung”

Gesamtgröße14%

“PASST”

Einfache Reinigung6%

“Perfekte Reinigung”

Weiches Gefühl3%

“Angenehm weich”

beworben Vs Tatsächliches Produkt3%

“Das Produkt entspricht der Beschreibung”

Pinselqualität2%

“Super Aufsteckbürsten”

Kompatibilität – insgesamt2%

“I had high hopes for these replacement brush heads because theyre advertised as compatible with Philips Sonicare models”

Haltbarkeit2%

“Lange haltbarkeit”

What buyers complain about

Preis-Leistungs-Verhältnis22%

“For the price I expected something closer to the originals”

Qualität insgesamt11%

“Not worth the hype – disappointing quality and performance”

Gesamtgröße10%

“Ungenaue Passform”

Hartes Gefühl7%

“Das Material wirkt steif”

Mundhygiene5%

“Bürste brach beim Zähneputzen im Mund auseinander”

Haltbarkeit4%

“Abfallend”

Einfache Reinigung3%

“However, the overall cleaning performance is underwhelming”

Add-Ons/Anhänge3%

“Aufsteckbürsten häufig defekt”

Kompatibilität – insgesamt3%

“Leider passen die bei Philips nicht drauf”

Komfort insgesamt2%

“unangenehm im Mund”

Top return reasons

Gesamtgröße50%
Kompatibilität – insgesamt13%
Qualität insgesamt5%
Funktionalität insgesamt3%
Preis-Leistungs-Verhältnis3%
Add-Ons/Anhänge3%
beworben Vs Tatsächliches Produkt2%
Hartes Gefühl2%
Weiches Gefühl2%
Mundhygiene2%