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keratin complex smoothing treatment

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 14Growth 45Conversion 23Competition 21Returns 79Price range 19Avg price 78Brand share 0Review moat 45Quality gap 78

Returns

Great1.8%

return rate — above 5% kills the launch gate

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Avg price

Great$92.75

avg listing price — sweet spot $15–$100

Growth

Okay+16.3%

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

Review moat

Okay2,010.23

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.9%

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

Competition

Bad75%

top-5 click share — a locked-up shelf

Price range

Bad$20.75–$439.91

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

Market size

Bad$58K

$58K/yr · 33K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, keratin complex smoothing treatment is a $58K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 37/100.

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

keratin complex smoothing treatment market data

Units sold / yr
1K–1K
avg 0–100/product
Revenue / yr
$93K–$116K
units × avg price
Conversion rate
1.9%
Avg BSR
#728
Page quality
0%
Prime
85%
Sponsored
92%
Out of stock
5.6%
Avg brand age
72 months
Avg seller age
147 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

13

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

0%

  • Keratin Complex88%
  • KATIVA3%
  • Keratin Salon Direct3%
  • KERAGEN3%
  • Kerazon Professional3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +16.3% search growth over the last 90 days.
1K600Spike '25Prime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top keratin complex smoothing treatment search terms

  • keratin complex treatment20K/yr
  • keratin complex smoothing treatment7K/yr
  • keratin complex nkst3K/yr
  • keratin complex hair treatment2K/yr
All search terms

Top keratin complex smoothing treatment 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%10%$6K20%$12K30%$17K40%$23K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What buyers say about keratin complex smoothing treatment

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

What buyers love

Quality-Overall17%

“Excellent product”

Value For Money10%

“is affordable”

Soft Feel10%

“My hair feels soft”

Hair Styling8%

“Best straightener ever”

Suitability Straight Hair6%

“It did do its job with straightening my hair”

Ease Of Use4%

“it actually was very easy to work with”

Smell4%

“It has a wonderful, clean scent and a little bit of product goes a long way”

Instructions/User Manual/Troubleshooting4%

“Followed the instructions”

Suitability Curly Hair3%

“Works wonders for frizzy hair”

Ease Of Application3%

“Application is easy”

What buyers complain about

Smell17%

“Awful smell”

Functionality-Overall11%

“No effective”

Damage/Burn Hair5%

“damage my hair”

Hair Related5%

“At first my hair seemed really hard while flat ironing with the straighter in it”

Suitability Curly Hair4%

“Did not work on my curly hair”

Value For Money4%

“Waste of money”

Allergies3%

“it swelling up”

Suitability Short Hair3%

“And I have short hair”

Ease Of Use2%

“Annoying process”

Suitability Straight Hair2%

“my hair isn't straight at all”

Top return reasons

Functionality-Overall18%
Advertised Vs Actual Product11%
Size-Overall9%
Smell7%
Damage/Burn Hair7%
Suitability Short Hair6%
Product Condition6%
Leak-Proof6%
Defective Material/Parts5%
Suitability Straight Hair4%

Common questions

Is keratin complex smoothing treatment profitable to sell on Amazon United States?
The niche generates $58K/yr across 13 tracked products. 90-day search growth is +16.3%. Flapen's verdict: Skip it (37/100).
How competitive is the keratin complex smoothing treatment niche?
5 brands and 13 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in keratin complex smoothing treatment?
Top complaints mined from reviews: Smell, Functionality-Overall, Damage/Burn Hair. The return rate is 1.8%.
When does demand for keratin complex smoothing treatment peak?
Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the keratin complex smoothing treatment niche?
Listings span $20.75–$439.91; the average listing price is $92.75 (sweet spot $15–$100). The average incumbent carries 2,010 reviews — the moat a new listing must climb.