Skip to content
45

green light therapy

Skip it

Soft demand (-22.1% this quarter) — this niche doesn't clear our bar today.

Market size 17Growth 14Conversion 24Competition 50Returns 37Price range 62Avg price 94Brand share 72Review moat 75Quality gap 78

Avg price

Great$47.19

avg listing price — sweet spot $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good516.95

avg incumbent reviews — the moat a new listing must climb

Brand share

Good62%

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

Price range

Good$10.88–$147.15

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

Competition

Good55%

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

Returns

Okay4.5%

return rate — above 6% kills the launch gate

Conversion

Bad1.9%

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

Market size

Bad$69K

$69K/yr · 77K searches

Growth

Bad-22.1%

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

Competition

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

22

Top-5 brand share

62%

Open market

31%

  • Family Tree Remedies17%
  • LXSINO14%
  • Aoife11%
  • GloFX11%
  • GYP9%
  • Gamma Light Therapy LLC8%

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%4%$3K8%$6K12%$8K16%$11K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -22.1% search growth over the last 90 days.
3K2KPrime Day '24Spike '24Holiday '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 1.7×

Reviews

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

What buyers love

Quality-Overall12%

“Great quality”

Brightness/Shine/Glow12%

“Great little light”

Ease Of Use11%

“Easy to use”

Suitability Combination Skin7%

“Sooo nice for skin”

Value For Money4%

“Worth every penny”

Color4%

“the perfect color”

Soft Feel4%

“Love how smooth”

Charging4%

“charges pretty fast”

Heating Element3%

“It heats up”

Assembly/Installation3%

“Easy assembly”

What buyers complain about

Durability10%

“Broke too soon”

Functionality-Overall9%

“it still didnt work”

Battery Life7%

“Battery life is horrible”

Size-Overall6%

“It's not a big lamp”

Color5%

“The light does not change to the green color”

Value For Money4%

“The price is a tad high”

Quality-Overall3%

“Poor quality”

Brightness/Shine/Glow3%

“However, the brightness even on the lowest setting was too much for him”

Touch/Button Controls3%

“the touch-to-operate is horrible”

Pain Relief-Overall2%

“Hurt my head”

Top return reasons

Functionality-Overall26%
Size-Overall10%
Advertised Vs Actual Product8%
Charging7%
Brightness/Shine/Glow7%
Value For Money7%
Defective Material/Parts5%
Color3%
Heating3%
Quality-Overall2%