---
title: "K18 Dry Shampoo — £716K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/beauty/k18-dry-shampoo"
last_updated: "2026-08-09T18:37:39.110Z"
locale: en
meta:
description: "Niche score 57/100 · £716K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 57/100 · £716K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "K18 Dry Shampoo — £716K/yr Amazon UK Niche (2026) - Flapen"
---
# **k18 dry shampoo**
**Worth a look**
Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 69Growth 23Conversion 86Competition 49Returns 100Price range 73Avg price 84Brand share 0Review moat 25Quality gap 78
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****£18.61**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****£1.63–£51.77**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****£716K**
£716K/yr · 394K searches
**Competition**
**Okay****55%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****4,072.63**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-4.1%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, k18 dry shampoo is a £716K/yr Amazon United Kingdom market (394K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 57/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **k18 dry shampoo market data**
- **Units sold / yr**
- **30K–40K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **£558K–£744K**
- units × avg price
- **Conversion rate**
- **9.8%**
- **Avg BSR**
- **#222**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **96%**
- **Out of stock**
- **3.9%**
- **Avg brand age**
- **63 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**5 **▲rising
**Sellers**
**79**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**55%**
Top 20: 92%
**Open market**
**0%**
- Living Proof39% - K1832% - Got2B13% - COLOR WOW9% - Moroccanoil7%
## **Demand**
Weekly Amazon search volume, last 45 weeks — -4.1% search growth over the last 90 days.
20K15KBlack Friday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/uk/beauty/k18-dry-shampoo/trend)
## **Top k18 dry shampoo search terms**
- **living proof dry shampoo**82K/yr-14.0%11.5% conv. - **living proof**68K/yr+11.2%2.7% conv. - **k18 dry shampoo**47K/yr+3.1%7.0% conv. - **k18 shampoo**34K/yr+3.3%2.8% conv. - **got2b dry shampoo**23K/yr-21.4%16.8% conv. - **colour wow dry shampoo**21K/yr-2.8%12.1% conv. - **wow dry shampoo**20K/yr-4.5%10.4% conv. - **moroccan oil dry shampoo**16K/yr-28.4%12.8% conv. - **living proof perfect hair day**11K/yr+22.9%4.6% conv. - **k18 airwash dry shampoo**8K/yr+12.3%6.4% conv. [**All search terms **](https://flapen.com/research/uk/beauty/k18-dry-shampoo/search-terms)
## **Top k18 dry 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%5%£36K10%£72K15%£107K20%£143K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**K18 AirWash Dry Shampoo Non-Aerosol Balances Scalp & Controls Excess Oil Production 47ml**K18**£20.02**4.4★1,756 rev](https://www.amazon.co.uk/dp/B0F67KS3K1) [2**LivingProof Perfect Hair Day Dry Shampoo for Women & Men Detoxifies Scalp**Living Proof**£16.17**4.2★8,842 rev](https://www.amazon.co.uk/dp/B0170GOCVO) [3**COLOR WOW Insta-WOW Advanced Dry Shampoo Breaks down and removes oil for shampoo-grade results | No grit no clumping no powdery residue | Best dry shampoo for oily hair**COLOR WOW**£19.28**4.0★195 rev](https://www.amazon.co.uk/dp/B0FKH5FNCK) [4**Living Proof Perfect Hair Day Advanced Clean Dry Shampoo for Women & Men Breakthrough Formula Cleans & Cares Like a Rinse-Out Shampoo**Living Proof**£17.43**3.9★378 rev](https://www.amazon.co.uk/dp/B09MM8JQ2K) [5**K18 AirWash Dry Shampoo Non-Aerosol Balances Scalp & Controls Excess Oil Production 118ml**K18**£40.00**4.4★1,756 rev](https://www.amazon.co.uk/dp/B0DGVWYDGK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**K18 PEPTIDE PREP Colour-Safe Detox Clarifying Shampoo Non-Stripping pH-Optimised Cleanse Removes Product Buildup Dirt Oils & Metals 473ml**K18**£49.36**2,446 rev2mo ago](https://www.amazon.co.uk/dp/B0G4XS9GSK) [**K18 Damage Shield Wash Care Set Full-Size Colour-Safe Protective Shampoo + Conditioner Reduces Frizz And Tangles Maintains Hair Health Protects From Damage**K18**£51.77**157 rev3mo ago](https://www.amazon.co.uk/dp/B0G7LDMN6B) [**COLOR WOW Insta-WOW Advanced Dry Shampoo Breaks down and removes oil for shampoo-grade results | No grit no clumping no powdery residue | Best dry shampoo for oily hair**COLOR WOW**£19.28**195 rev10mo ago](https://www.amazon.co.uk/dp/B0FKH5FNCK) [**K18 AirWash Dry Shampoo Non-Aerosol Balances Scalp & Controls Excess Oil Production 47ml**K18**£20.02**1,756 rev11mo ago](https://www.amazon.co.uk/dp/B0F67KS3K1) [**K18 Damage Shield Protective Conditioner Protects Hair from Daily Damage Improves Strength & Shine 53ml**K18**£11.85**1,591 rev12mo ago](https://www.amazon.co.uk/dp/B0FJHC1PMR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**K18 Damage Shield Wash Care Set Full-Size Colour-Safe Protective Shampoo + Conditioner Reduces Frizz And Tangles Maintains Hair Health Protects From Damage**K18**£51.77**4.6★**▲ 275%**](https://www.amazon.co.uk/dp/B0G7LDMN6B) [**K18 PEPTIDE PREP Colour-Safe Detox Clarifying Shampoo Non-Stripping pH-Optimised Cleanse Removes Product Buildup Dirt Oils & Metals 473ml**K18**£49.36**4.4★**▲ 272%**](https://www.amazon.co.uk/dp/B0G4XS9GSK) [**K18 AirWash Dry Shampoo Non-Aerosol Balances Scalp & Controls Excess Oil Production 47ml**K18**£20.02**4.4★**▲ 124%**](https://www.amazon.co.uk/dp/B0F67KS3K1) [**Living Proof Perfect Hair Day Advanced Clean Dry Shampoo for Women & Men Breakthrough Formula Cleans & Cares Like a Rinse-Out Shampoo Eliminates Oil & Sweat Leaves Hair Soft Shiny & Residue-Free**Living Proof**£24.60**3.9★**▲ 89%**](https://www.amazon.co.uk/dp/B0BX48C2PT) [**K18 PEPTIDE PREP Colour-Safe Detox Clarifying Shampoo Non-Stripping pH-Optimised Cleanse Removes Product Buildup Dirt Oils & Metals 250ml**K18**£29.86**4.4★**▲ 54%**](https://www.amazon.co.uk/dp/B0B4DXHCRR)
**~~View all trending →~~**
## **What buyers say about k18 dry shampoo**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**19%
*“Love the smell”*
**Moist/Dry**19%
*“doesnt feel too chalky or dry like other dry shampoos”*
**Quality-Overall**14%
*“Best products on the market”*
**Value For Money**9%
*“worth it”*
**Hair Growth**4%
*“Great product makes hair feel and look healthy”*
**Hair Styling**4%
*“promising: my hair looks wonderfully shiny”*
**Suitability Dry Skin**2%
*“Best dry shampoo”*
**Residue**2%
*“it doesnt leave a residue or smell bad”*
**Suitability Straight Hair**2%
*“Hair feels clean on washing”*
**Advertised Vs Actual Product**2%
*“Does what itcsays”*
### **What buyers complain about **
**Value For Money**26%
*“Expensive”*
**Functionality-Overall**8%
*“It doesnt do its job :”*
**Moist/Dry**8%
*“A bit drying”*
**Oily/Greasy**5%
*“oily”*
**Quality-Overall**4%
*“really poor quality”*
**Residue**4%
*“created a slight residue”*
**Smell**4%
*“unfortunately the smell was too intense for me”*
**Hair Related**4%
*“I dont like the feel of my hair when I have used the product”*
**Durability**2%
*“find it doesn't last very long”*
**Motor Power**2%
*“Pump do not work it is useless”*
### **Top return reasons **
**Size-Overall**19%
**Defective Material/Parts**15%
**Ease Of Use**13%
**Smell**10%
**Quality-Overall**6%
**Value For Money**6%
**Adhesion/Stickiness**6%
**Hair Related**3%
**Shape/Style**3%
**Compatibility-Overall**3%
## **Common questions**
- **Is k18 dry shampoo profitable to sell on Amazon United Kingdom?**
- The niche generates £716K/yr across 27 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -4.1%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the k18 dry shampoo niche?**
- 5 brands and 79 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in k18 dry shampoo?**
- Top complaints mined from reviews: Value For Money, Functionality-Overall, Moist/Dry. The return rate is 0.1%.
- **What does it cost to enter the k18 dry shampoo niche?**
- Listings span £1.63–£51.77; the average listing price is £18.61 (sweet spot $15–$100). The average incumbent carries 4,073 reviews — the moat a new listing must climb.
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