---
title: "Zero Waste Cartel Shampoo Bar for Gray Hair — $23K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/zero-waste-cartel-shampoo-bar-for-gray-hair"
last_updated: "2026-08-09T05:35:50.768Z"
locale: en
meta:
description: "Niche score 48/100 · $23K/yr market · 22K searches/yr · $14.84 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $23K/yr market · 22K searches/yr · $14.84 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Zero Waste Cartel Shampoo Bar for Gray Hair — $23K/yr Amazon US Niche (2026) - Flapen"
---
# **zero waste cartel shampoo bar for gray hair**
**Skip it**
A small market ($23K/yr) — this niche doesn't clear our bar today.
Market size 6Growth 17Conversion 73Competition 48Returns 97Price range 74Avg price 74Brand share 40Review moat 26Quality gap 78
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$14.84**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$9.55–$30.38**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.8%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****56%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****3,891.71**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-16.4%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$23K**
$23K/yr · 22K searches
According to Flapen's Amazon United States niche tracking, zero waste cartel shampoo bar for gray hair is a $23K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Jul–Aug–Sep–Oct. Verdict: Skip it — 48/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **zero waste cartel shampoo bar for gray hair market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$15K–$19K**
- units × avg price
- **Conversion rate**
- **6.8%**
- **Avg BSR**
- **#1,147**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **81%**
- **Out of stock**
- **4.1%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **155 days**
## **Competition & brand share**
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▼falling
**Sellers**
**15**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**56%**
Top 20: 99%
**Open market**
**15%**
- Kitsch29% - Loobexery21% - Arista ayurveda13% - NATURÉL12% - QUAAM6% - The Earthling Co.4% - Open — no brand owns it (7 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -16.4% search growth over the last 90 days.
1K750Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul, Aug, Sep, Oct · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/zero-waste-cartel-shampoo-bar-for-gray-hair/trend)
## **Top zero waste cartel shampoo bar for gray hair search terms**
- **bar shampoo for gray hair**8K/yr-33.9%5.6% conv. - **shampoo bar for grey hair**3K/yr+47.9%5.2% conv. - **shampoo bar for gray hair**3K/yr-30.0%5.0% conv. - **shampoo bars for gray hair**3K/yr-24.9%4.4% conv. - **bar shampoo and conditioner for gray hair**1K/yr-11.7%4.4% conv. - **gray hair shampoo bar**1K/yr+24.7%4.2% conv. - **zero waste cartel**2K/yr-24.8%0.4% conv. - **zero waste cartel shampoo bar for gray hair**367/yr-100.0%0.0% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/zero-waste-cartel-shampoo-bar-for-gray-hair/search-terms)
## **Top zero waste cartel shampoo bar for gray hair 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%$1K10%$2K15%$3K20%$5K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Loobexery 2PCS Shampoo Bar for Gray Hair Lavender Shampoo Bar for Gray Hair Natural Organics Shampoo and Conditioner Barfor Thinning Hair for Men & Women (Lavender)**Loobexery**$9.55**4.4★331 rev](https://www.amazon.com/dp/B0CXJB3JGB) [2**Arista Purple Shampoo Bar Amla Fruit Powder Purple Toner & Castor Oil Moisturizing & Plastic Free Hair Soap Sulfate Free Solid Shampoo Puck for Grey Hair**Arista ayurveda**$9.82**4.3★1,201 rev](https://www.amazon.com/dp/B0C3CHH14W) [3**Kitsch Toning Purple Shampoo & Conditioner Bar Set For Blondes & Color Treated Hair - With Biotin for Strengthening & Neutralizing Brassy Tones - Vegan Silicone & Sulfate Free**Kitsch**$24.82**4.3★35,973 rev](https://www.amazon.com/dp/B0CZMM8WSG) [4**Kitsch Toning Purple Shampoo Bar For Blondes & Color Treated Hair - Shampoo For Women and Men - Biotin Shampoo for Strengthening & Neutralizing Brassy Tones - Vegan Silicone & Sulfate Free - 3.2 oz**Kitsch**$12.24**4.4★4,188 rev](https://www.amazon.com/dp/B0BT56DMJS) [5**NATURL Loxy Purple Toning Shampoo Bar Soap for Blonde or Grey Hair | Biotin & Almond Oil | Vegan & Cruelty Free | Zero Waste | Made in USA**NATURÉL**$11.56**4.5★452 rev](https://www.amazon.com/dp/B0CN7D2BS7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kitsch Toning Purple Shampoo & Conditioner Bar Set For Blondes & Color Treated Hair - With Biotin for Strengthening & Neutralizing Brassy Tones - Vegan Silicone & Sulfate Free**Kitsch**$23.69**56 rev4mo ago](https://www.amazon.com/dp/B0GP9N3672) [**Kitsch Toning Purple Shampoo Bar For Blondes & Color Treated Hair - Shampoo For Women and Men - Biotin Shampoo for Strengthening & Neutralizing Brassy Tones - Vegan Silicone & Sulfate Free - 3.5 oz**Kitsch**$11.99**14,725 rev4mo ago](https://www.amazon.com/dp/B0GP91BDSS) [**Kitsch Rosemary & Biotin Shampoo Bar - For Hair Growth Strengthening Thickening & Volumizing Shampoo for Women and Men - Free of Parabens Sulfates & Silicones - Made in USA 3.5 oz**Kitsch**$12.69**14,725 rev4mo ago](https://www.amazon.com/dp/B0GNP1CMWZ) [**Kitsch Rice Water Shampoo Bar Soap for Hair Growth Made in USA 3.5 oz**Kitsch**$12.75**459 rev4mo ago](https://www.amazon.com/dp/B0GNP2K8WW) [**F FENG PEI Black Shampoo Bar for Hair & Beard Darkening Gray Hair Reverse Bar Soap Deep Clean & Nourish the Scalp Black Soap for Gray Hair Coverage Natural Darkening Shampoo Soap 2Pcs**F FENG PEI**$17.96**46 rev10mo ago](https://www.amazon.com/dp/B0FQ5KKDBP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Flomitta 2-Pack Gray Hair Reverse Bar Black Soap for Beard & Hair Darkening and Deep Cleaning Natural Solid Shampoo for Normal to Oily Hair**Flomitta**$10.58**3.0★**▲ 440%**](https://www.amazon.com/dp/B0FJR3HZLQ) [**Kitsch Toning Purple Shampoo & Conditioner Bar Set For Blondes & Color Treated Hair - With Biotin for Strengthening & Neutralizing Brassy Tones - Vegan Silicone & Sulfate Free**Kitsch**$23.69**4.4★**▲ 433%**](https://www.amazon.com/dp/B0GP9N3672) [**Kitsch Toning Purple Shampoo Bar For Blondes & Color Treated Hair - Shampoo For Women and Men - Biotin Shampoo for Strengthening & Neutralizing Brassy Tones - Vegan Silicone & Sulfate Free - 3.5 oz**Kitsch**$11.99**4.5★**▲ 432%**](https://www.amazon.com/dp/B0GP91BDSS) [**Kitsch Rosemary & Biotin Shampoo Bar - For Hair Growth Strengthening Thickening & Volumizing Shampoo for Women and Men - Free of Parabens Sulfates & Silicones - Made in USA 3.5 oz**Kitsch**$12.69**4.5★**▲ 420%**](https://www.amazon.com/dp/B0GNP1CMWZ) [**Kitsch Rice Water Shampoo Bar Soap for Hair Growth Made in USA 3.5 oz**Kitsch**$12.75**4.7★**▲ 286%**](https://www.amazon.com/dp/B0GNP2K8WW)
**~~View all trending →~~**
## **What buyers say about zero waste cartel shampoo bar for gray hair**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Lather**15%
*“It's easy to lather up”*
**Smell**14%
*“Amazing Smell”*
**Soft Feel**10%
*“My hair is soft”*
**Quality-Overall**7%
*“A really amazing set of products”*
**Hair Growth**6%
*“Its helping my hair”*
**Cleansing**5%
*“It cleans well”*
**Ease Of Use**4%
*“Ease of use”*
**Suitability Colored Hair**3%
*“Best for my colored hair”*
**Suitability Straight Hair**3%
*“Love what it does to my hair”*
**Value For Money**3%
*“Definitely worth the price”*
### **What buyers complain about **
**Smell**12%
*“Smells awful”*
**Moist/Dry**6%
*“Not moisturizing”*
**Hair Related**6%
*“It also left my hair tangled”*
**Functionality-Overall**6%
*“That soap it doesnt work at all”*
**Allergies**5%
*“After a few weeks I started getting a rash”*
**Lather**4%
*“Hard to get it to lather”*
**Durability**3%
*“Falls apart”*
**Value For Money**3%
*“Way to expensive”*
**Oily/Greasy**2%
*“After using a few times made my hair really oily”*
**Suitability Colored Hair**2%
*“See nothing different in gray hair after using several times”*
### **Top return reasons **
**Smell**39%
**Advertised Vs Actual Product**10%
**Moist/Dry**6%
**Suitability Short Hair**5%
**Functionality-Overall**5%
**Size-Overall**4%
**Damage/Burn Hair**3%
**Suitability Colored Hair**3%
**Lather**2%
**Value For Money**2%
## **Common questions**
- **Is zero waste cartel shampoo bar for gray hair profitable to sell on Amazon United States?**
- The niche generates $23K/yr across 21 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is -16.4%. Flapen's verdict: Skip it (48/100).
- **How competitive is the zero waste cartel shampoo bar for gray hair niche?**
- 13 brands and 15 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in zero waste cartel shampoo bar for gray hair?**
- Top complaints mined from reviews: Smell, Moist/Dry, Hair Related. The return rate is 0.6%.
- **When does demand for zero waste cartel shampoo bar for gray hair peak?**
- Demand peaks in Jul–Aug–Sep–Oct; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the zero waste cartel shampoo bar for gray hair niche?**
- Listings span $9.55–$30.38; the average listing price is $14.84 (sweet spot $15–$100). The average incumbent carries 3,892 reviews — the moat a new listing must climb.
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