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56

defogger

Worth a look

Shows searches that convert (18.1% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 27Growth 76Conversion 99Competition 28Returns 90Price range 65Avg price 77Brand share 12Review moat 31Quality gap 73

Conversion

Incredible18.1%

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

Returns

Great1.3%

return rate — above 5% kills the launch gate

Avg price

Great$15.73

avg listing price — sweet spot $15–$100

Growth

Great+62.7%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Price range

Good$6.54–$30.69

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

Review moat

Okay3,377.18

avg incumbent reviews — the moat a new listing must climb

Competition

Okay68%

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

Market size

Okay$114K

$114K/yr · 40K searches

Brand share

Bad95%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, defogger is a $114K/yr Amazon United States market (40K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Worth a look — 56/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

defogger market data

Units sold / yr
6K–8K
avg 250–500/product
Revenue / yr
$94K–$126K
units × avg price
Conversion rate
18.1%
Avg BSR
#346
Page quality
0%
Prime
94%
Sponsored
82%
Out of stock
0.7%
Avg brand age
78 months
Avg seller age
156 days

Competition & brand share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 flat

Sellers

34

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

2%

  • STREAM 2 SEA46%
  • JAWS JUST ADD WATER SOLUTIONS36%
  • ARENA6%
  • CRESSI4%
  • GEAR AID4%
  • Foggies3%
  • Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +62.7% search growth over the last 90 days.
10K6KSpike '24Black Friday '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 8.2×

Top defogger search terms

  • spit antifog spray5K/yr
  • stream to sea5K/yr
  • stream 2 sea5K/yr
  • anti fog for swim goggles4K/yr
  • quick spit anti-fog spray3K/yr
  • defogger5K/yr
  • anti fog spray for snorkel mask3K/yr
  • swim goggles anti fog spray3K/yr
  • goggle defogger for swimming3K/yr
  • snorkel anti fog spray3K/yr
All search terms

Top defogger 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%10%$11K20%$23K30%$34K40%$46K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

What buyers say about defogger

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

What buyers love

Quality-Overall18%

“Very well made”

Advertised Vs Actual Product13%

“As advertised”

Ease Of Use7%

“Easy to use”

Value For Money6%

“Great Value”

Suitability Fog5%

“Still fogs”

Ease Of Cleaning4%

“Good cleaner,”

Smell4%

“clean scent to it”

Spray/Flow3%

“Best anti-fog spray on the market”

Instructions/User Manual/Troubleshooting3%

“Follow the instructions”

Soft Feel3%

“soft my hair feels”

What buyers complain about

Functionality-Overall39%

“DOESN'T WORK”

Value For Money6%

“it's not cheap”

Color5%

“Gray hue, would not recommend”

Advertised Vs Actual Product4%

“Does not work as advertised”

Durability4%

“dont expect it to last the whole session”

Smell3%

“the scent is not pleasant”

Suitability Fog3%

“Unfortunately this anti fog spray does not perform well at all”

Adhesion/Stickiness3%

“doesn't rub into skin well”

Spray/Flow3%

“Not a spray”

Ease Of Cleaning3%

“they aren't clean”

Top return reasons

Functionality-Overall28%
Spray/Flow14%
Advertised Vs Actual Product11%
Leak-Proof11%
Value For Money8%
Size-Overall7%
Defective Material/Parts3%
Smell2%
Product Condition1%
Thickness1%

Common questions

Is defogger profitable to sell on Amazon United States?
The niche generates $114K/yr across 17 tracked products. 90-day search growth is +62.7%. Flapen's verdict: Worth a look (56/100).
How competitive is the defogger niche?
7 brands and 34 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 95% of demand.
What do buyers complain about in defogger?
Top complaints mined from reviews: Functionality-Overall, Value For Money, Color. The return rate is 1.3%.
When does demand for defogger peak?
Demand peaks in Oct–Nov–Dec; the busiest month runs 8.2× the quietest.
What does it cost to enter the defogger niche?
Listings span $6.54–$30.69; the average listing price is $15.73 (sweet spot $15–$100). The average incumbent carries 3,377 reviews — the moat a new listing must climb.