porcelain sink cleaner
Skip itA deep review moat (15,502 avg reviews) — this niche doesn't clear our bar today.
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$13.67avg listing price — sweet spot $15–$100
Price range
Good$5.14–$29.68cheapest 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
Bad15,502.18avg 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.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
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.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Bar Keepers Friend Soft Cleanser Liquid 13 oz x 2 Multipurpose Surface Cleaner Soap Scum & Grease from Stainless Steel & More
Bar Keepers Friend$16.634.6★6,854 rev

Bar Keepers Friend Soft Cleaner Premixed Formula | 13 oz | (1 Pack)
Bar Keepers Friend$6.484.5★2,112 rev

HOPES Perfect Sink Cleaner and Polish Restorative Removes Stains Cast Iron Corian Composite Acrylic 8.5 Fl Oz
HOPE'S$10.064.3★18,950 rev

Stardrops The Pink Stuff Cleaning Paste 500g Multi Purpose Cleaner for Kitchen Bathroom Tiles Glass Shower Oven Sink Stainless Steel Removes Grease Grime & Stains
Stardrops$5.674.4★240,853 rev

The Pink Stuff The Miracle Squeezable Cleaning Paste 300g Easy to Rinse Multi Purpose Cleaner for Kitchen Bathroom Cooktops Tiles Sinks Showers and More
Stardrops$5.784.4★464 rev
Newest
by launch date
R&C Store Essentials Home Cleaning Bundle Kit includes Multi-Purpose Soft Cleanser 26 oz + 2 Microfiber Cloths and 1 Non-Scratch Scrub Sponge Kitchen & Bathroom Cleaning Set
R&C Store Essentials Home$21.027 rev

The Pink Stuff The Miracle Squeezable Cleaning Paste 300g Easy to Rinse Multi Purpose Cleaner for Kitchen Bathroom Cooktops Tiles Sinks Showers and More
Stardrops$5.78464 rev

Top Chemical Industrial Strength Porcelain Cleaner - RESTORE - Porcelain Cleaner For Home And Industrial Uses - 1 Quart
Top Chemical$29.6827 rev

CLR Brands Lime & Rust Remover Blasts Calcium Dissolves Lime Zaps Stubborn Rust Stains and Hard Water 22 Ounce Spray Bottle (Pack of 1)
CLR$5.143,881 rev

Bar Keepers Friend Soft Cleanser Liquid 26 oz x 2 Multipurpose Surface Cleaner for Rust Stains Soap Scum & Grease from Stainless Steel & More
Bar Keepers Friend$23.846,854 rev
Trending
90-day click momentum
R&C Store Essentials Home Cleaning Bundle Kit includes Multi-Purpose Soft Cleanser 26 oz + 2 Microfiber Cloths and 1 Non-Scratch Scrub Sponge Kitchen & Bathroom Cleaning Set
R&C Store Essentials Home$21.024.6★

The Pink Stuff The Miracle Squeezable Cleaning Paste 300g Easy to Rinse Multi Purpose Cleaner for Kitchen Bathroom Cooktops Tiles Sinks Showers and More
Stardrops$5.784.4★

Bar Keepers Friend Soft Cleanser Liquid 13 oz x 2 Multipurpose Surface Cleaner Soap Scum & Grease from Stainless Steel & More
Bar Keepers Friend$16.634.6★

Miracle Sealants Porcelain & Ceramic Tile Cleaner Scrubbing Compound for Tile Stone Glass Dirt Stain & Hardwater Spot Remover Quart
Miracle Sealants$12.014.1★

MRS. MEYERS CLEAN DAY Baking Soda Cream Cleaner Cuts Grease Scratch-Free Polish Apple Blossom 16 Fl Oz Pack of 1
Mrs. MEYER'S$5.794.7★
What buyers say about porcelain sink cleaner
What buyers praise and complain about, mined from review topics.What buyers love
“Cleans really well”
“Excellent Product”
“Gets The Job Done”
“I love the lemon scent”
“Easy to put on”
“Really shines”
“Good price”
“As described”
“looked brand new”
“keeps the color”
What buyers complain about
“Did not work as it says”
“Not enough cleaning ability”
“its been stained for about a month”
“overpriced”
“The smell is also extremely overpowering”
“Rust”
“It Leaked”
“False advertising”
“Complete garbage”
“Difficult to use”
Top return reasons
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.