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rosemary and biotin shampoo

Skip it

Soft demand (-32.2% this quarter) — this niche doesn't clear our bar today.

Market size 11Growth 9Conversion 67Competition 45Returns 96Price range 77Avg price 88Brand share 22Review moat 19Quality gap 65

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Avg price

Great$20.18

avg listing price — sweet spot $15–$100

Price range

Great$8.15–$39.16

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

Conversion

Good6.1%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay58%

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

Brand share

Bad91%

top-5 brand share — brand-locked demand

Review moat

Bad15,762.13

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$42K

$42K/yr · 35K searches

Growth

Bad-32.2%

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

According to Flapen's Amazon United States niche tracking, rosemary and biotin shampoo is a $42K/yr Amazon United States market (35K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jan. Verdict: Skip it — 44/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

rosemary and biotin shampoo market data

Units sold / yr
3K–3K
avg 100–250/product
Revenue / yr
$50K–$61K
units × avg price
Conversion rate
6.1%
Avg BSR
#219
Page quality
0%
Prime
100%
Sponsored
91%
Out of stock
1.5%
Avg brand age
42 months
Avg seller age
140 days

Competition & brand share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 flat

Sellers

50

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

58%

Top 20: 98%

Open market

6%

  • Maple Holistics37%
  • RootStim20%
  • Kitsch19%
  • Mielle Organics11%
  • Natural sant3%
  • EDENIKA BOTANICALS3%
  • Open — no brand owns it (5 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 75 weeks — -32.2% search growth over the last 90 days.
1K600Prime Day '25Spike '25Spike '26FebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan · busiest ÷ quietest = 1.7×

Top rosemary and biotin shampoo search terms

  • rosemary and biotin shampoo10K/yr
  • rosemary biotin shampoo8K/yr
  • biotin rosemary shampoo6K/yr
  • biotin and rosemary shampoo5K/yr
  • rosemary biotin shampoo and conditioner4K/yr
  • rosemary and biotin shampoo for thinning hair1K/yr
All search terms

Top rosemary and biotin shampoo 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%4%$2K8%$3K12%$5K16%$7K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

What buyers say about rosemary and biotin shampoo

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

What buyers love

Smell21%

“Smells clean”

Hair Growth14%

“also promotes hair growth”

Quality-Overall10%

“this is top-notch quality at a better value”

Soft Feel10%

“Silky smooth”

Lather6%

“It luxuriously lathers”

Cleansing4%

“It cleans the hair”

Suitability Straight Hair4%

“Surprisingly Great for Fine Hair”

Value For Money3%

“Good price”

Hair Styling2%

“great stuff hair feels fantastic”

Advertised Vs Actual Product2%

“exactly what I wanted”

What buyers complain about

Hair Related10%

“Made my hair extremely tangled”

Smell8%

“Bad smell”

Functionality-Overall7%

“functionality is poor”

Ease Of Use7%

“Difficult to open”

Moist/Dry6%

“No moisture”

Allergies4%

“Rash”

Oily/Greasy4%

“Too Oily”

Value For Money4%

“Expensive”

Suitability Short Hair3%

“means never work in my hair”

Thickness3%

“pretty thick”

Top return reasons

Smell16%
Leak-Proof13%
Advertised Vs Actual Product9%
Moist/Dry7%
Suitability Short Hair6%
Functionality-Overall5%
Size-Overall5%
Damage/Burn Hair5%
Ingredients-Overall4%
Oily/Greasy3%

Common questions

Is rosemary and biotin shampoo profitable to sell on Amazon United States?
The niche generates $42K/yr across 23 tracked products. 8 of 8 products launched in the last 360 days are still selling. 90-day search growth is -32.2%. Flapen's verdict: Skip it (44/100).
How competitive is the rosemary and biotin shampoo niche?
11 brands and 50 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in rosemary and biotin shampoo?
Top complaints mined from reviews: Hair Related, Smell, Functionality-Overall. The return rate is 0.7%.
When does demand for rosemary and biotin shampoo peak?
Demand peaks in Jan; the busiest month runs 1.7× the quietest.
What does it cost to enter the rosemary and biotin shampoo niche?
Listings span $8.15–$39.16; the average listing price is $20.18 (sweet spot $15–$100). The average incumbent carries 15,762 reviews — the moat a new listing must climb.