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porcelain sink cleaner

Skip it

A deep review moat (15,502 avg reviews) — this niche doesn't clear our bar today.

Market size 23Growth 27Conversion 83Competition 45Returns 98Price range 60Avg price 64Brand share 42Review moat 19Quality gap 47

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Conversion

Great9.1%

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

Avg price

Good$13.67

avg listing price — sweet spot $15–$100

Price range

Good$5.14–$29.68

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay58%

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

Brand share

Okay80%

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

Growth

Okay+1.7%

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

Market size

Bad$90K

$90K/yr · 73K searches

Review moat

Bad15,502.18

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, porcelain sink cleaner is a $90K/yr Amazon United States market (73K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 48/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

porcelain sink cleaner market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
$82K–$109K
units × avg price
Conversion rate
9.1%
Avg BSR
#352
Page quality
0%
Prime
91%
Sponsored
50%
Out of stock
0.7%
Avg brand age
73 months
Avg seller age
146 days

Competition & brand share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

323

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

58%

Top 20: 99%

Open market

16%

  • Bar Keepers Friend45%
  • Stardrops12%
  • HOPE'S10%
  • Mrs. MEYER'S8%
  • Kohler5%
  • Top Chemical4%
  • Open — no brand owns it (9 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +1.7% search growth over the last 90 days.
60K40KSpike '24Holiday '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 5.2×

Top porcelain sink cleaner search terms

  • porcelain sink cleaner16K/yr
  • porcelain cleaner11K/yr
  • soft cleanser7K/yr
  • ceramic sink cleaner6K/yr
  • bar keepers friend soft cleanse5K/yr
  • soft cleaner3K/yr
  • bar keepers soft cleanser3K/yr
  • porcelain sink restorer5K/yr
  • bar keeps friend soft cleanser2K/yr
  • porcelain stain remover3K/yr
All search terms

Top porcelain sink cleaner 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%5%$5K10%$9K15%$14K20%$18K1101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

What buyers say about porcelain sink cleaner

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

What buyers love

Ease Of Cleaning28%

“Cleans really well”

Quality-Overall12%

“Excellent Product”

Efficiency9%

“Gets The Job Done”

Smell6%

“I love the lemon scent”

Ease Of Use5%

“Easy to put on”

Brightness/Shine/Glow5%

“Really shines”

Value For Money5%

“Good price”

Advertised Vs Actual Product4%

“As described”

Product Condition2%

“looked brand new”

Color1%

“keeps the color”

What buyers complain about

Functionality-Overall18%

“Did not work as it says”

Ease Of Cleaning11%

“Not enough cleaning ability”

Stain Resistance11%

“its been stained for about a month”

Value For Money8%

“overpriced”

Smell6%

“The smell is also extremely overpowering”

Rusts/Corrodes5%

“Rust”

Leak-Proof3%

“It Leaked”

Advertised Vs Actual Product2%

“False advertising”

Quality-Overall2%

“Complete garbage”

Ease Of Use2%

“Difficult to use”

Top return reasons

Leak-Proof22%
Functionality-Overall18%
Value For Money14%
Advertised Vs Actual Product10%
Cleaning Modes7%
Wet Cleaning4%
Size-Overall3%
Smell3%
Stain Resistance2%
Ease Of Cleaning2%

Common questions

Is porcelain sink cleaner profitable to sell on Amazon United States?
The niche generates $90K/yr across 22 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +1.7%. Flapen's verdict: Skip it (48/100).
How competitive is the porcelain sink cleaner niche?
15 brands and 323 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in porcelain sink cleaner?
Top complaints mined from reviews: Functionality-Overall, Ease Of Cleaning, Stain Resistance. The return rate is 0.4%.
When does demand for porcelain sink cleaner peak?
Demand peaks in Sep–Oct; the busiest month runs 5.2× the quietest.
What does it cost to enter the porcelain sink cleaner niche?
Listings span $5.14–$29.68; the average listing price is $13.67 (sweet spot $15–$100). The average incumbent carries 15,502 reviews — the moat a new listing must climb.