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46

kids dandruff shampoo

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Soft demand (-30.7% this quarter) — this niche doesn't clear our bar today.

Market size 44Growth 10Conversion 89Competition 23Returns 98Price range 57Avg price 73Brand share 43Review moat 22Quality gap 35

Returns

Incredible0.4%

return rate — above 6% kills the launch gate

Conversion

Great10.4%

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

Avg price

Good$14.70

avg listing price — sweet spot $15–$100

Price range

Good$3.77–$29.78

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

Market size

Okay$236K

$236K/yr · 154K searches

Brand share

Okay79%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Bad72%

top-5 click share — a locked-up shelf

Review moat

Bad8,684.47

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-30.7%

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

Competition

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

14 falling

Sellers

79

Top-5 brand share

79%

Open market

17%

  • HONEYDEW26%
  • Happy Cappy21%
  • SULFUR814%
  • CeraVe14%
  • Nizoral5%
  • · TS SHAMPOO · TS SHAMPOO TS T4%
  • Open — no brand owns it (8 brands, 17%)

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%$24K20%$47K30%$71K40%$94K1001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -30.7% search growth over the last 90 days.
8K6KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb · busiest ÷ quietest = 2.7×

Reviews

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

What buyers love

Smell16%

“Strong fragrance”

Quality-Overall13%

“Great quality, exactly as described, and arrived on time”

Efficiency10%

“i been using this for years it gets the job done”

Hair Growth6%

“Also helps with preventing hair loss”

Value For Money6%

“Great deal”

Allergies6%

“No irritation at all either”

Soft Feel5%

“Soft hair”

Moist/Dry4%

“Helped my dry”

Cleansing3%

“Cleans well”

Advertised Vs Actual Product3%

“As described”

What buyers complain about

Allergies16%

“Or itchiness”

Functionality-Overall11%

“Did not work”

Smell8%

“It smells a bit strange”

Size-Overall6%

“also a little tight”

Moist/Dry6%

“Does not hydrate”

Value For Money5%

“A bit expensive”

Hair Related2%

“your hair will look awful”

Oily/Greasy2%

“It made my hair very oily”

Side Effects1%

“Adverse personal reaction”

Skin Health1%

“Would not recommend this product for people with sensitive skin”

Top return reasons

Functionality-Overall18%
Leak-Proof18%
Size-Overall10%
Smell9%
Advertised Vs Actual Product8%
Value For Money6%
Damage/Burn Hair4%
Ingredients-Overall4%
Moist/Dry3%
Product Condition3%