---
title: "Gk Shampoo — $60K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/gk-shampoo"
last_updated: "2026-08-11T04:22:56.845Z"
locale: en
meta:
description: "Niche score 47/100 · $60K/yr market · 107K searches/yr · $23.97 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $60K/yr market · 107K searches/yr · $23.97 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Gk Shampoo — $60K/yr Amazon US Niche (2026) - Flapen"
---
# **gk shampoo**
**Skip it**
A small market ($60K/yr) — this niche doesn't clear our bar today.
Market size 15Growth 34Conversion 29Competition 40Returns 98Price range 82Avg price 95Brand share 40Review moat 23Quality gap 65
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$23.97**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.68–$42.55**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+7.5%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****2.3%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****7,389.85**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$60K**
$60K/yr · 107K searches
According to Flapen's Amazon United States niche tracking, gk shampoo is a $60K/yr Amazon United States market (107K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 47/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **gk shampoo market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$48K–$60K**
- units × avg price
- **Conversion rate**
- **2.3%**
- **Avg BSR**
- **#1,042**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **65%**
- **Out of stock**
- **2.7%**
- **Avg brand age**
- **70 months**
- **Avg seller age**
- **137 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**63**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**61%**
Top 20: 100%
**Open market**
**15%**
- KATIVA58% - BELLISSO10% - BINGO HAIR CARE5% - Herbal Essences4% - SOULSPA PURE4% - Ritual Botanico4% - Open — no brand owns it (8 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +7.5% search growth over the last 90 days.
3K2KPrime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/gk-shampoo/trend)
## **Top gk shampoo search terms**
- **shampoo sin sal para keratina**24K/yr-3.8%1.7% conv. - **champu sin sal para keratina**18K/yr-18.3%0.9% conv. - **kativa shampoo and conditioner**12K/yr+17.4%4.3% conv. - **champu sin sal para cabello con keratina**14K/yr+50.5%1.4% conv. - **shampoo sin sal para cabello con keratina**11K/yr+107.0%1.1% conv. - **salt and sulfate free shampoo**4K/yr+109.4%0.7% conv. - **shampoo para keratina sin sal y sulfato**6K/yr+10.2%2.3% conv. - **kativa shampoo**5K/yr+1.9%3.7% conv. - **shampoo kativa**4K/yr+9.5%3.4% conv. - **shampoo keratina sin sal**4K/yr+18.5%1.6% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/gk-shampoo/search-terms)
## **Top gk 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%10%$6K20%$12K30%$18K40%$24K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**KATIVA Keratin Shampoo and Conditioner Set Sulfate Free Formula for Damaged Dry and Dull Hair Nourishes Softens and Adds Shine 355 mL Each**KATIVA**$27.03**4.3★334 rev](https://www.amazon.com/dp/B0CB76RD9Y) [2**KATIVA Brazilian Post Straightening Treatment Kit Shampoo Conditioner & Mask Keraliss Complex with Vegetal Keratin & Hyaluronic Acid Helps Prolong Straightening up to 18 Weeks**KATIVA**$28.44**4.2★7,079 rev](https://www.amazon.com/dp/B00PIOOTLE) [3**Keratin Shampoo and Conditioner Set - Sulfate Free and Paraben Free - Salon Thickening Treatment for Dry Damaged Curly Frizzy Straight or Color Treated Hair - Anti Frizz Formula for Women and Men**BELLISSO**$23.97**4.3★46,563 rev](https://www.amazon.com/dp/B082RDKMNF) [4**Kativa Post-Straightening Hair Care Kit Salt-Free Shampoo & Conditioner with Vegetal Keratin & Hyaluronic Acid Helps Prolong Straightening up to 18 Weeks* - 7.6 Fl Oz Each**KATIVA**$21.25**4.4★4,501 rev](https://www.amazon.com/dp/B00NDR4R8S) [5**Moroccan Argan Oil Shampoo and Conditioner Set - Sulfate Free Anti Frizz Hydrating Care for Women - Deep Moisturizing Treatment for Color Keratin Treated Curly Damaged and Dry Hair**BINGO HAIR CARE**$24.11**4.4★13,702 rev](https://www.amazon.com/dp/B01CTNRVFM)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Post Straightening Shampoo**KATIVA**$20.06**359 rev5mo ago](https://www.amazon.com/dp/B08P7DRCP2) [**Keratin Shampoo and Conditioner Set 16 fl oz Each - Strengthening & Smoothing Care for Dry Damaged Frizzy or Keratin-Treated Hair - Color Protecting - Champu Cabello con Keratina - Nexon Botanics**Nexon Botanics**$19.76**85 rev5mo ago](https://www.amazon.com/dp/B0FQ5Y3NPC) [**Kareol Brazilian Keratin Post Straightening Kit Sulfate-Free Shampoo and Conditioner Frizz Control Vegan Formula**Kareol**$22.72**33 rev9mo ago](https://www.amazon.com/dp/B0FV59JHR1) [**Ritual Botanico Shampoo Control Grasa de Romero y Eucalipto Natural Sin sal Sulfatos Silicon ni Dimeticona Control Total del Cuero Cabelludo Graso Ideal para Cabellos Maltratados y Alisados 400ml**Ritual Botanico**$17.35**223 rev2y ago](https://www.amazon.com/dp/B0CYDSQYMH) [**Biotin Shampoo and Conditioner Set with Keratin - Sulfate-Free Advanced Anti-Thinning Hair Growth Shampoo and Conditioner Combo Repair Formula - with DHT Blockers for Men & Women - 16 fl oz each**SOULSPA PURE**$26.27**2,462 rev2y ago](https://www.amazon.com/dp/B0C7FQZLRP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Post Straightening Shampoo**KATIVA**$20.06**4.3★**▲ 290%**](https://www.amazon.com/dp/B08P7DRCP2) [**Pantene Shampoo & Conditioner Set Daily Moisture Renewal - Pro-V Nutrients for Dry Color-Treated Straight to Curly Hair 72-Hour Hydration & Softness 52.8 Oz Total + Miracle Rescue Shot (0.5 Oz)**Pantene**$19.30**4.7★**▲ 133%**](https://www.amazon.com/dp/B09GV3RGW2) [**Kativa Keratin Post Straightening Shampoo + Conditioner(8.45 Fl Oz) Help Prolong Results After Straightening Treatment for Manageable Shiny & Smooth Hair Gluten Free Sulfate & Paraben Free**KATIVA**$22.44**4.2★**▲ 81%**](https://www.amazon.com/dp/B08TX6VXST) [**Herbal Essences Argan Oil Repair Shampoo & Conditioner Set Moisturizes & Smoothes Paraben-Free Color-Safe pH-Balanced Citrus Scent 20.2 Fl Oz 2-Pack**Herbal Essences**$21.19**4.6★**▲ 74%**](https://www.amazon.com/dp/B07NQ69L7P) [**Keratin Shampoo and Conditioner Set 16 fl oz Each - Strengthening & Smoothing Care for Dry Damaged Frizzy or Keratin-Treated Hair - Color Protecting - Champu Cabello con Keratina - Nexon Botanics**Nexon Botanics**$19.76**4.0★**▲ 74%**](https://www.amazon.com/dp/B0FQ5Y3NPC)
**~~View all trending →~~**
## **What buyers say about gk shampoo**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Excellent product”*
**Smell**15%
*“Excelente aroma”*
**Soft Feel**15%
*“keeps my hair soft”*
**Value For Money**6%
*“Great value”*
**Suitability Straight Hair**5%
*“Hair look natyraly nice”*
**Moist/Dry**5%
*“doesn't dry it out”*
**Hair Growth**4%
*“Excellent for hair”*
**Hair Styling**4%
*“This hair care set offers great value for money”*
**Cleansing**3%
*“They seem to be good for cleansing”*
**Brightness/Shine/Glow**2%
*“High Shine”*
### **What buyers complain about **
**Smell**20%
*“Bad smell”*
**Moist/Dry**10%
*“Dry”*
**Value For Money**7%
*“Too much money”*
**Hair Related**6%
*“my hair has NEVER been this soft”*
**Damage/Burn Hair**4%
*“For damage hair”*
**Advertised Vs Actual Product**4%
*“Misleading”*
**Functionality-Overall**4%
*“Doesn't work”*
**Suitability Short Hair**4%
*“was not the best for my hair”*
**Size-Overall**3%
*“smaller than expected”*
**Allergies**2%
*“the allergic reaction I got from this is horrible”*
### **Top return reasons **
**Leak-Proof**24%
**Smell**12%
**Size-Overall**8%
**Advertised Vs Actual Product**8%
**Suitability Short Hair**7%
**Moist/Dry**6%
**Value For Money**5%
**Functionality-Overall**4%
**Damage/Burn Hair**3%
**Motor Power**3%
## **Common questions**
- **Is gk shampoo profitable to sell on Amazon United States?**
- The niche generates $60K/yr across 20 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +7.5%. Flapen's verdict: Skip it (47/100).
- **How competitive is the gk shampoo niche?**
- 14 brands and 63 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in gk shampoo?**
- Top complaints mined from reviews: Smell, Moist/Dry, Value For Money. The return rate is 0.5%.
- **When does demand for gk shampoo peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the gk shampoo niche?**
- Listings span $9.68–$42.55; the average listing price is $23.97 (sweet spot $15–$100). The average incumbent carries 7,390 reviews — the moat a new listing must climb.
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