---
title: "K18 — $514K/yr Amazon SA Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/sa/beauty/k18"
last_updated: "2026-08-06T18:02:53.801Z"
locale: en
meta:
description: "Niche score 45/100 · $514K/yr market · 335K searches/yr · $131.16 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $514K/yr market · 335K searches/yr · $131.16 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "K18 — $514K/yr Amazon SA Niche (2026) - Flapen"
---
# **k18**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 60Growth 17Conversion 15Competition 85Returns 92Price range 12Avg price 65Brand share 5Review moat 24Quality gap 48
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Competition**
**Great****30%**
top-5 click share — an open shelf
**Avg price**
**Good****$131.16**
avg listing price — sweet spot $15–$100
**Market size**
**Good****$514K**
$514K/yr · 335K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****6,514.11**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-15.2%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.2%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$26.36–$640.40**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=sa&signal=high_price "Avg price > $50")
According to Flapen's Amazon Saudi Arabia niche tracking, k18 is a $514K/yr Amazon Saudi Arabia market (335K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 45/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **k18 market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$656K–$787K**
- units × avg price
- **Conversion rate**
- **1.2%**
- **Avg BSR**
- **#132**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **40%**
- **Out of stock**
- **15.9%**
- **Avg brand age**
- **59 months**
- **Avg seller age**
- **62 days**
## **Competition & brand share**
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.
**Brands**
**8 **▲rising
**Sellers**
**51**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**30%**
Top 20: 72%
**Open market**
**1%**
- L'Oréal Professionnel Paris44% - OLAPLEX30% - K1818% - Azonee6% - Fino1% - Karseell1% - Open — no brand owns it (2 brands, 1%)
## **Top k18 search terms**
- **k18**121K/yr-24.6%0.2% conv. - **لوريال بروفيشنال**41K/yr-4.2%1.4% conv. - **olaplex**47K/yr-12.9%1.9% conv. - **loreal professional**22K/yr+9.8%1.4% conv. - **k18 للشعر**26K/yr-31.9%0.2% conv. - **k18 leave-in molecular repair hair mask**12K/yr+20.1%0.2% conv. - **اولابلكس**15K/yr-14.8%1.6% conv. - **loreal professional shampoo**9K/yr+9.7%0.7% conv. - **loreal absolut repair**11K/yr-20.2%3.6% conv. - **absolute repair loreal**8K/yr-7.9%3.4% conv. [**All search terms **](https://flapen.com/research/sa/beauty/k18/search-terms)
## **Top k18 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%2%$10K4%$21K6%$31K8%$41K1101001K10K100K 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**Olaplex No.7 20140640 Bonding Oil 30 ml**OLAPLEX**$79.57**4.5★15,703 rev](https://www.amazon.sa/dp/B07ZHKTQL3) [2**K18 Mini Leave-In Molecular Hair Mask Repairs Dry or Damaged Hair Reverse Hair Damage from Bleach Color Chemical Services & Heat 15ml**K18**$105.40**4.2★25,419 rev](https://www.amazon.sa/dp/B09HR5KSR8) [3**Azonee Leave-In Repair Hair Mask Molecular Hair Mask Repairs Dry or Damaged Hair Silky Smooth Hair Care Reverse Hair Damage from Bleach Color Chemical Services & Heat Suitable for All Hair Types**Azonee**$89.16**3.8★5 rev](https://www.amazon.sa/dp/B0DK183DDL) [4**LOréal Professionnel | Absolut Repair Molecular Leave-In-Mask Repair Damage & Restore Strength Heat Protectant For Hair For All Damaged Hair Types SERIE EXPERT 100ml**L'Oréal Professionnel Paris**$100.00**4.2★390 rev](https://www.amazon.sa/dp/B0CGRQ1K6F) [5**LOréal Professionnel Absolut Repair Molecular Hair Mask Hair Mask for Dry and Frizzy Hair Deep Repair Mask for Damaged Hair Peptide Bonder Plus Amino Acids SERIE EXPERT 250ml**L'Oréal Professionnel Paris**$129.71**4.1★519 rev](https://www.amazon.sa/dp/B0D95PQHQQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**K18 AstroLift Reparative Volume Spray Thickening and Volumising Spray 2-Day Hold Non-Sticky Humidity Resistant 118ml**K18**$174.32**510 rev1y ago](https://www.amazon.sa/dp/B0F74TDPYJ) [**OLAPLEX No.5 LEAVE-IN Moisturize and Mend Leave-In Conditioner 100ml**OLAPLEX**$81.91**2,341 rev1y ago](https://www.amazon.sa/dp/B0DQ81ZCJG) [**Azonee Leave-In Repair Hair Mask Molecular Hair Mask Repairs Dry or Damaged Hair Silky Smooth Hair Care Reverse Hair Damage from Bleach Color Chemical Services & Heat Suitable for All Hair Types**Azonee**$89.16**5 rev1y ago](https://www.amazon.sa/dp/B0DK183DDL) [**LOréal Professionnel | Absolut Repair shampoo refill | With Protein and Omega-9 for dry and damaged hair | SERIE EXPERT | 500ml**L'Oréal Professionnel Paris**$118.32**752 rev1y ago](https://www.amazon.sa/dp/B0DB8B81R2) [**LOréal Professionnel Absolut Repair Molecular Hair Mask Hair Mask for Dry and Frizzy Hair Deep Repair Mask for Damaged Hair Peptide Bonder Plus Amino Acids SERIE EXPERT 250ml**L'Oréal Professionnel Paris**$129.71**519 rev2y ago](https://www.amazon.sa/dp/B0D95PQHQQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**OLAPLEX Hair Perfector No.3 100 ml**OLAPLEX**$107.20**4.4★**▲ 202%**](https://www.amazon.sa/dp/B0CDBL2M2W) [**LOréal Professionnel Absolut Repair Hair Mask Hair Mask for Dry and Frizzy Hair Deep Repair Mask for Damaged Hair With Omega 9 & Protein SERIE EXPERT 250ml**L'Oréal Professionnel Paris**$138.85**4.6★**▲ 155%**](https://www.amazon.sa/dp/B099XMVSB1) [**LOréal Professionnel | Absolut Repair shampoo refill | With Protein and Omega-9 for dry and damaged hair | SERIE EXPERT | 500ml**L'Oréal Professionnel Paris**$118.32**4.8★**▲ 151%**](https://www.amazon.sa/dp/B0DB8B81R2) [**Azonee Leave-In Repair Hair Mask Molecular Hair Mask Repairs Dry or Damaged Hair Silky Smooth Hair Care Reverse Hair Damage from Bleach Color Chemical Services & Heat Suitable for All Hair Types**Azonee**$89.16**3.8★**▲ 101%**](https://www.amazon.sa/dp/B0DK183DDL) [**Olaplex No.4 And 5 Bond Maintenance Shampoo And Conditioner 250 Ml (Pack Of 2)**OLAPLEX**$185.12**4.4★**▲ 95%**](https://www.amazon.sa/dp/B07RWKPPLJ)
**~~View all trending →~~**
## **What buyers say about k18**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**تصفيف الشعر**22%
*“Best hair perfector”*
**ملمس ناعم**22%
*“soft”*
**يشم**15%
*“Good serum, the smell of it is amazing I like the texture of the serum it doesnt make your hair greasy, the only downside is high price for a small size bottle”*
**الجودة الشاملة**11%
*“Good quality”*
**ملائمة الشعر المصبوغ**11%
*“Great hair mask for damaged colored hairs”*
**نمو الشعر**6%
*“my hair is growing well”*
**زيتي/دهني**4%
*“Good serum, the smell of it is amazing I like the texture of the serum it doesnt make your hair greasy, the only downside is high price for a small size bottle”*
### **What buyers complain about **
**القيمة مقابل المال**27%
*“waste of money”*
**يشم**20%
*“didnt like the smell”*
**الوظيفة - بشكل عام**10%
*“Normal no result”*
**تقليل الأعراض**10%
*“Normal no result”*
**تلف/حرق الشعر**10%
*“Horrible product, damages your hair DONT BUY; waste of money”*
### **Top return reasons **
**الحجم الكلي**15%
**المنتج المعلن عنه مقابل المنتج الفعلي**11%
**حالة المنتج**11%
**يشم**11%
**المواد/الأجزاء المعيبة**9%
**القيمة مقابل المال**6%
**مانع للتسرب**5%
**الحساسية**4%
**ملائمة الشعر القصير**4%
**لون**3%
## **Common questions**
- **Is k18 profitable to sell on Amazon Saudi Arabia?**
- The niche generates $514K/yr across 53 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is -15.2%. Flapen's verdict: Skip it (45/100).
- **How competitive is the k18 niche?**
- 8 brands and 51 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in k18?**
- Top complaints mined from reviews: القيمة مقابل المال, يشم, الوظيفة - بشكل عام. The return rate is 1.1%.
- **What does it cost to enter the k18 niche?**
- Listings span $26.36–$640.40; the average listing price is $131.16 (sweet spot $15–$100). The average incumbent carries 6,514 reviews — the moat a new listing must climb.
## **Related niches in Beauty**
- 52 [**leave in conditioner**](https://flapen.com/research/sa/beauty/leave-in-conditioner)$134K/yr+13.2%**Worth a look**- 52 [**body wash men**](https://flapen.com/research/sa/beauty/body-wash-men)$74K/yr+3.1%**Worth a look**- 52 [**argan oil**](https://flapen.com/research/sa/beauty/argan-oil)$96K/yr-11.7%**Worth a look**- 53 [**oud**](https://flapen.com/research/sa/beauty/oud)$1.1M/yr-15.5%**Worth a look**- 53 [**cherry bomb**](https://flapen.com/research/sa/beauty/cherry-bomb)$24K/yr+310.8%**Worth a look**- 53 [**pimple patch**](https://flapen.com/research/sa/beauty/pimple-patch)$150K/yr-10.3%**Worth a look**[**All Beauty niches **](https://flapen.com/research/sa/beauty)