Is kerotin extensive hair thickening spray profitable to sell on Amazon United States?

The niche generates $34K/yr across 5 tracked products. 90-day search growth is +46.5%. Flapen's verdict: Worth a look (52/100).

How competitive is the kerotin extensive hair thickening spray niche?

1 brands and 18 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in kerotin extensive hair thickening spray?

Top complaints mined from reviews: Smell, Natural Ingredients. The return rate is 0.6%.

When does demand for kerotin extensive hair thickening spray peak?

Demand peaks in Mar–Jul; the busiest month runs 1.7× the quietest.

What does it cost to enter the kerotin extensive hair thickening spray niche?

Listings span $27.18–$78.16; the average listing price is $44.62 (sweet spot $15–$100). The average incumbent carries 1,240 reviews — the moat a new listing must climb.

kerotin extensive hair thickening spray

Worth a look

Shows low returns (0.6%), but a concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list.

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Conversion

Incredible13.6%

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

Avg price

Incredible$44.62

avg listing price — sweet spot $15–$100

Price range

Incredible$27.18–$78.16

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

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Growth

Good+46.5%

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

Review moat

Good1,240.4

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$34K

$34K/yr · 6K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, kerotin extensive hair thickening spray is a $34K/yr Amazon United States market (6K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Jul. Verdict: Worth a look — 52/100.

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

kerotin extensive hair thickening spray market data

Units sold / yr: 750–1K; avg 250–500/product
Revenue / yr: $33K–$45K; units × avg price
Conversion rate: 13.6%
Avg BSR: #16,055
Page quality: 0%
Prime: 100%
Sponsored: 80%
Out of stock: 2.6%
Avg brand age: 77 months
Avg seller age: 149 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

1 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

K Kerotin100%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +46.5% search growth over the last 90 days.

Peak months: Mar, Jul · busiest ÷ quietest = 1.7×

Open Trend

Top kerotin extensive hair thickening spray search terms

kerotin extensive thickening treatment5K/yr +58.7%15.4% conv.
kerotin extensive hair thickening spray205/yr -9.5%17.5% conv.
keratin extensive thickening treatment323/yr -54.5%20.0% conv.

All search terms

Top kerotin extensive hair thickening spray 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Kerotin Extensive Thickening Treatment Spray for Fine and Thin Hair - Spray I Hair Diameter Booster and Heat Protectant. All-natural Cruelty and Alcohol-Free Made in the USA. (1)

K Kerotin$29.844.1★1,333 rev

Kerotin Hair Growth Serum with Castor Oil for Hair Loss in Women DHT Blocker Promotes Scalp Care & Thicker Fuller Hair Thickening Drops Natural Sulfate & Cruelty Free Made in USA

K Kerotin$27.183.9★2,011 rev

Kerotin Hair Thickening Spray w/Keratin for Fine & Thin Hair Growth in Women Heat Protectant Repair Mist for Volume Body & Shine Diameter Booster Natural & Cruelty Free Made in USA - 3 Pack

K Kerotin$78.164.2★75 rev

Kerotin Hair Thickening Spray with Keratin for Fine & Thin Hair Growth in Women (2 pack) Heat Protectant Body & Shine Diameter Booster Natural Sulfate & Cruelty Free Made in USA

K Kerotin$54.914.2★75 rev

Kerotin Hair Growth Vitamins Biotin Supplement DHT Blocker Collagen Stimulator for Hair Loss Support Nail & Skin Care Includes Saw Palmetto Vitamin D3 & More - 60 Pills (1 Month Supply)

K Kerotin$32.994.2★2,708 rev

Newest

by launch date

Kerotin Hair Thickening Spray with Keratin for Fine & Thin Hair Growth in Women (2 pack) Heat Protectant Body & Shine Diameter Booster Natural Sulfate & Cruelty Free Made in USA

K Kerotin$54.9175 rev

2y ago

Kerotin Hair Thickening Spray w/Keratin for Fine & Thin Hair Growth in Women Heat Protectant Repair Mist for Volume Body & Shine Diameter Booster Natural & Cruelty Free Made in USA - 3 Pack

K Kerotin$78.1675 rev

4y ago

Kerotin Extensive Thickening Treatment Spray for Fine and Thin Hair - Spray I Hair Diameter Booster and Heat Protectant. All-natural Cruelty and Alcohol-Free Made in the USA. (1)

K Kerotin$29.841,333 rev

5y ago

Kerotin Hair Growth Serum with Castor Oil for Hair Loss in Women DHT Blocker Promotes Scalp Care & Thicker Fuller Hair Thickening Drops Natural Sulfate & Cruelty Free Made in USA

K Kerotin$27.182,011 rev

5y ago

Kerotin Hair Growth Vitamins Biotin Supplement DHT Blocker Collagen Stimulator for Hair Loss Support Nail & Skin Care Includes Saw Palmetto Vitamin D3 & More - 60 Pills (1 Month Supply)

K Kerotin$32.992,708 rev

9y ago

What buyers say about kerotin extensive hair thickening spray

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

What buyers love

Hair Growth39%

“They also help your nails grow so fast and strong”

Quality-Overall32%

“The quality is great”

Brightness/Shine/Glow14%

“It gives shine and fullness”

Ingredients-Overall7%

“new growth without the use of strong chemicals found in most other products”

Skin Health4%

“They even make my skin better”

Vitamin4%

“Best hair vitamin”

What buyers complain about

Smell50%

“I wish it doesnt have fragrance”

Natural Ingredients50%

“Then its not natural”

Top return reasons

Leak-Proof24%

Functionality-Overall16%

Oily/Greasy10%

Advertised Vs Actual Product10%

Suitability Straight Hair7%

Skin Health7%

Smell7%

Suitability Short Hair5%

Suitability Curly Hair3%

Adhesion/Stickiness3%

Common questions

Is kerotin extensive hair thickening spray profitable to sell on Amazon United States?: The niche generates $34K/yr across 5 tracked products. 90-day search growth is +46.5%. Flapen's verdict: Worth a look (52/100).
How competitive is the kerotin extensive hair thickening spray niche?: 1 brands and 18 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in kerotin extensive hair thickening spray?: Top complaints mined from reviews: Smell, Natural Ingredients. The return rate is 0.6%.
When does demand for kerotin extensive hair thickening spray peak?: Demand peaks in Mar–Jul; the busiest month runs 1.7× the quietest.
What does it cost to enter the kerotin extensive hair thickening spray niche?: Listings span $27.18–$78.16; the average listing price is $44.62 (sweet spot $15–$100). The average incumbent carries 1,240 reviews — the moat a new listing must climb.