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kms hair stay

Skip it

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

Market size 17Growth 61Conversion 98Competition 2Returns 99Price range 77Avg price 95Brand share 0Review moat 55Quality gap 50

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Conversion

Incredible16.0%

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

Avg price

Incredible$23.00

avg listing price — sweet spot $15–$100

Price range

Great$11.75–$26.46

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

Growth

Good+37.4%

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

Review moat

Good1,296.83

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Market size

Bad$68K

$68K/yr · 19K searches

Competition

Bad97%

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, kms hair stay is a $68K/yr Amazon United States market (19K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Skip it — 48/100.

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

kms hair stay market data

Units sold / yr
3K–4K
avg 250–500/product
Revenue / yr
$69K–$92K
units × avg price
Conversion rate
16.0%
Avg BSR
#407
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
107 months
Avg seller age
174 days

Competition & brand share

The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.

Brands

1 flat

Sellers

3

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

97%

Top 20: 100%

Open market

0%

  • KMS100%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +37.4% search growth over the last 90 days.
800600Spike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep, Oct · busiest ÷ quietest = 2.1×

Top kms hair stay search terms

  • kms hair stay12K/yr
  • kms hair stay anti humidity spray2K/yr
  • kms hair spray4K/yr
All search terms

Top kms hair stay 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%15%$10K30%$21K45%$31K60%$41K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

What buyers say about kms hair stay

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

What buyers love

Smell18%

“I like the hold quality especially the clean scent”

Brightness/Shine/Glow14%

“Leaves my hair very shiny”

Quality-Overall14%

“Otherwise KMS has great products”

Hair Styling14%

“Great for thinning hair”

Suitability Straight Hair14%

“it controls my thin hair”

Ease Of Use4%

“Great hold and manageable”

Durability4%

“Used for a long time”

Soft Feel4%

“My hair is so much smoother”

Suitability Curly Hair4%

“Just the slightest touch of this spray gets rid of the frizz without greasiness”

What buyers complain about

Suitability Humid Weather20%

“Did not provide any more anti-humidity spray than a regular hairspray”

Size-Overall15%

“Size advertised is larger than delivered”

Value For Money15%

“its to expensive to be wasted like this”

Quality-Overall10%

“Terrible product”

Suitability Short Hair10%

“Works well with short hair”

Smell5%

“I'm not fond of the smell”

Unsustainable Design5%

“Bottle design flaw”

Advertised Vs Actual Product5%

“Size advertised is larger than delivered. Vendor needs to update product description. $25 price tag is for 3.7 oz. And not 4.1 oz, as advertised.”

Top return reasons

Adhesion/Stickiness23%
Smell21%
Advertised Vs Actual Product11%
Suitability Short Hair9%
Product Condition7%
Strength5%
Suitability Colored Hair4%
Size-Overall4%
Value For Money4%
Texture/Consistency-Overall4%

Common questions

Is kms hair stay profitable to sell on Amazon United States?
The niche generates $68K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +37.4%. Flapen's verdict: Skip it (48/100).
How competitive is the kms hair stay niche?
1 brands and 3 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in kms hair stay?
Top complaints mined from reviews: Suitability Humid Weather, Size-Overall, Value For Money. The return rate is 0.2%.
When does demand for kms hair stay peak?
Demand peaks in Aug–Sep–Oct; the busiest month runs 2.1× the quietest.
What does it cost to enter the kms hair stay niche?
Listings span $11.75–$26.46; the average listing price is $23.00 (sweet spot $15–$100). The average incumbent carries 1,297 reviews — the moat a new listing must climb.