---
title: "Kms Hair Stay — $68K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/kms-hair-stay"
last_updated: "2026-08-11T16:50:15.323Z"
locale: en
meta:
description: "Niche score 48/100 · $68K/yr market · 19K searches/yr · $23.00 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $68K/yr market · 19K searches/yr · $23.00 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Kms Hair Stay — $68K/yr Amazon US Niche (2026) - Flapen"
---
# **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**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****16.0%**
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**
**Good****1,296.83**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$68K**
$68K/yr · 19K searches
**Competition**
**Bad****97%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep, Oct · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/kms-hair-stay/trend)
## **Top kms hair stay search terms**
- **kms hair stay**12K/yr+6.9%14.0% conv. - **kms hair stay anti humidity spray**2K/yr>1,000%16.4% conv. - **kms hair spray**4K/yr-24.5%11.0% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/kms-hair-stay/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**KMS HAIRSTAY Anti-Humidity Seal 3.7 oz**KMS**$25.05**4.4★1,663 rev](https://www.amazon.com/dp/B07PT9SZDL) [2**KMS HairStay Working Hairspray Lasting Buildable Hold 300ml**KMS**$26.32**4.4★544 rev](https://www.amazon.com/dp/B072DY4FFX) [3**HairStay Anti-Humidity Seal 75ml**KMS**$11.75**4.4★1,663 rev](https://www.amazon.com/dp/B0FNS4WFVC) [4**HairStay Firm Finishing Hairspray Strong Durable Hold 300ml**KMS**$26.46**4.3★513 rev](https://www.amazon.com/dp/B072JKZ7K3) [5**KMS HAIRPLAY Flexible Hold Texturizing Dry Wax Finishing Hairspray 4.1 Oz**KMS**$26.14**4.6★1,541 rev](https://www.amazon.com/dp/B06Y28HD36)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**HairStay Anti-Humidity Seal 75ml**KMS**$11.75**1,663 rev10mo ago](https://www.amazon.com/dp/B0FNS4WFVC) [**HairStay Firm Finishing Hairspray Strong Durable Hold 300ml**KMS**$26.46**513 rev9y ago](https://www.amazon.com/dp/B072JKZ7K3) [**KMS HairStay Working Hairspray Lasting Buildable Hold 300ml**KMS**$26.32**544 rev9y ago](https://www.amazon.com/dp/B072DY4FFX) [**KMS HAIRPLAY Flexible Hold Texturizing Dry Wax Finishing Hairspray 4.1 Oz**KMS**$26.14**1,541 rev9y ago](https://www.amazon.com/dp/B06Y28HD36) [**KMS HAIRSTAY Anti-Humidity Seal 3.7 oz**KMS**$25.05**1,663 rev9y ago](https://www.amazon.com/dp/B07PT9SZDL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**HairStay Anti-Humidity Seal 75ml**KMS**$11.75**4.4★**▲ 91%**](https://www.amazon.com/dp/B0FNS4WFVC) [**KMS HAIRSTAY Anti-Humidity Seal 3.7 oz**KMS**$25.05**4.4★**▲ 15%**](https://www.amazon.com/dp/B07PT9SZDL) [**KMS HairPlay Styling Gel 200ml**KMS**$22.28**4.6★**▼ 11%**](https://www.amazon.com/dp/B071DRGPKL) [**KMS HairStay Working Hairspray Lasting Buildable Hold 300ml**KMS**$26.32**4.4★**▼ 16%**](https://www.amazon.com/dp/B072DY4FFX) [**KMS HAIRPLAY Flexible Hold Texturizing Dry Wax Finishing Hairspray 4.1 Oz**KMS**$26.14**4.6★**▼ 34%**](https://www.amazon.com/dp/B06Y28HD36)
**~~View all trending →~~**
## **What buyers say about kms hair stay**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**18%
*“I like the hold quality especially the clean scent”*
**Brightness/Shine/Glow**14%
*“Leaves my hair very shiny”*
**Quality-Overall**14%
*“Otherwise KMS has great products”*
**Hair Styling**14%
*“Great for thinning hair”*
**Suitability Straight Hair**14%
*“it controls my thin hair”*
**Ease Of Use**4%
*“Great hold and manageable”*
**Durability**4%
*“Used for a long time”*
**Soft Feel**4%
*“My hair is so much smoother”*
**Suitability Curly Hair**4%
*“Just the slightest touch of this spray gets rid of the frizz without greasiness”*
### **What buyers complain about **
**Suitability Humid Weather**20%
*“Did not provide any more anti-humidity spray than a regular hairspray”*
**Size-Overall**15%
*“Size advertised is larger than delivered”*
**Value For Money**15%
*“its to expensive to be wasted like this”*
**Quality-Overall**10%
*“Terrible product”*
**Suitability Short Hair**10%
*“Works well with short hair”*
**Smell**5%
*“I'm not fond of the smell”*
**Unsustainable Design**5%
*“Bottle design flaw”*
**Advertised Vs Actual Product**5%
*“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/Stickiness**23%
**Smell**21%
**Advertised Vs Actual Product**11%
**Suitability Short Hair**9%
**Product Condition**7%
**Strength**5%
**Suitability Colored Hair**4%
**Size-Overall**4%
**Value For Money**4%
**Texture/Consistency-Overall**4%
## **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.
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