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51

shower steamers for colds and flu

Worth a look

Shows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 96Growth 5Conversion 99Competition 35Returns 100Price range 69Avg price 75Brand share 0Review moat 24Quality gap 22

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Conversion

Incredible18.8%

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

Market size

Incredible$3.2M

$3.2M/yr · 1.1M searches

Avg price

Great$15.16

avg listing price — sweet spot $15–$100

Price range

Good$8.42–$29.62

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

Competition

Okay64%

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

Review moat

Bad5,854.94

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-39.3%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

2 flat

Sellers

81

Top-5 brand share

100%

Open market

0%

  • Vicks54%
  • Mucinex46%

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%$318K20%$636K30%$954K40%$1.3M1001K10K100K 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.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -39.3% search growth over the last 90 days.
25K15KSpike '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar, Dec · busiest ÷ quietest = 4.3×

Reviews

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

What buyers love

Sinus Relief22%

“Great for sinus congestion”

Efficiency14%

“Works ok”

Quality-Overall8%

“Good product once opened”

Value For Money6%

“Great deal”

Cold Relief5%

“Amazing for colds”

Advertised Vs Actual Product5%

“Works as advertised”

Breathability4%

“Breathing Easy”

Cough Relief3%

“Helped me with my cough”

Spray/Flow3%

“the spray is amazing”

Allergies3%

“Great for those who have allergies”

What buyers complain about

Ease Of Use32%

“Difficult to Open”

Functionality-Overall8%

“Doesn't work”

Value For Money6%

“Very costly”

Sinus Relief4%

“Sinus congestion”

Design-Overall4%

“Manufacturing error”

Leak-Proof3%

“it just leaked all over”

Durability2%

“when I tried the bottle fell apart”

Allergies2%

“as I may be allergic”

Cough Relief2%

“after 4 days still coughing my brains out”

Instructions/User Manual/Troubleshooting2%

“The instructions are useless”