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33

jaundice light therapy newborn

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Soft demand (-20.8% this quarter) — this niche doesn't clear our bar today.

Market size 16Growth 15Conversion 26Competition 16Returns 20Price range 61Avg price 91Brand share 15Review moat 84Quality gap 83

Avg price

Great$55.04

avg listing price — sweet spot $15–$100

Review moat

Great325

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Price range

Good$17.62–$152.30

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

Conversion

Okay2.1%

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

Returns

Bad7.1%

return rate — above 6% kills the launch gate

Market size

Bad$66K

$66K/yr · 57K searches

Competition

Bad81%

top-5 click share — a locked-up shelf

Growth

Bad-20.8%

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

Brand share

Bad94%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 falling

Sellers

13

Top-5 brand share

94%

Open market

4%

  • Stickfrease34%
  • Generic31%
  • TWOLYNEEDED24%
  • BUIFAC3%
  • BSTOPPT3%
  • Aumtrly2%
  • Open — no brand owns it (3 brands, 4%)

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%5%$3K10%$7K15%$10K20%$13K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 13 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -20.8% search growth over the last 90 days.
3K2KSpike '24Holiday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb · busiest ÷ quietest = 2.1×

Reviews

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

What buyers love

Brightness/Shine/Glow24%

“Its very bright”

Quality-Overall9%

“no complaints there”

Ease Of Use7%

“Easy to use”

Sleep Quality7%

“Perfect for a Comfortable Nights Sleep”

Advertised Vs Actual Product6%

“Works as advertised”

Efficiency6%

“effective”

Size-Overall5%

“Perfect size”

Value For Money4%

“Good for price”

Strength4%

“its great and has an easy stand”

Vitamin2%

“This light is a great supplement for all of us who have a shortage of vitamin d”

What buyers complain about

Durability20%

“Failed after first use”

Charging10%

“is not rechargeable”

Brightness/Shine/Glow8%

“Too Bright”

Quality-Overall7%

“cheap”

Size-Overall7%

“Its small”

Functionality-Overall5%

“Wont turn on”

Heating3%

“Doesnt generate heat”

Ease Of Use3%

“Inconvenient to use”

Touch/Button Controls2%

“Setting the controls is very difficult”

Connectivity-Overall2%

“The cable connection was loose and power would cut in and out constantly”

Top return reasons

Size-Overall21%
Functionality-Overall21%
Brightness/Shine/Glow11%
Advertised Vs Actual Product8%
Charging7%
Weight Heavy3%
Value For Money2%
Touch/Button Controls2%
Heating2%
Age Suitability2%