zero waste cartel shampoo bar for gray hair
Skip itA small market ($23K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$14.84avg listing price — sweet spot $15–$100
Price range
Good$9.55–$30.38cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.8%search→purchase rate — share of searches ending in a sale
Competition
Okay56%top-5 click share — leaders hold, buyers still browse
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Review moat
Okay3,891.71avg 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
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.Peak months: Jul, Aug, Sep, Oct · busiest ÷ quietest = 2.0×
Top zero waste cartel shampoo bar for gray hair search terms
- bar shampoo for gray hair8K/yr
- shampoo bar for grey hair3K/yr
- shampoo bar for gray hair3K/yr
- shampoo bars for gray hair3K/yr
- bar shampoo and conditioner for gray hair1K/yr
- gray hair shampoo bar1K/yr
- zero waste cartel2K/yr
- zero waste cartel shampoo bar for gray hair367/yr
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.
All 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$9.554.4★331 rev
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$9.824.3★1,201 rev
Kitsch Toning Purple Shampoo & Conditioner Bar Set For Blondes & Color Treated Hair - With Biotin for Strengthening & Neutralizing Brassy Tones - Vegan Silicone & Sulfate Free
Kitsch$24.824.3★35,973 rev
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$12.244.4★4,188 rev
NATURL Loxy Purple Toning Shampoo Bar Soap for Blonde or Grey Hair | Biotin & Almond Oil | Vegan & Cruelty Free | Zero Waste | Made in USA
NATURÉL$11.564.5★452 rev
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$23.6956 rev
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$11.9914,725 rev
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$12.6914,725 rev
Kitsch Rice Water Shampoo Bar Soap for Hair Growth Made in USA 3.5 oz
Kitsch$12.75459 rev
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$17.9646 rev
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$10.583.0★
Kitsch Toning Purple Shampoo & Conditioner Bar Set For Blondes & Color Treated Hair - With Biotin for Strengthening & Neutralizing Brassy Tones - Vegan Silicone & Sulfate Free
Kitsch$23.694.4★
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 - 3.5 oz
Kitsch$11.994.5★
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$12.694.5★
Kitsch Rice Water Shampoo Bar Soap for Hair Growth Made in USA 3.5 oz
Kitsch$12.754.7★
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
“It's easy to lather up”
“Amazing Smell”
“My hair is soft”
“A really amazing set of products”
“Its helping my hair”
“It cleans well”
“Ease of use”
“Best for my colored hair”
“Love what it does to my hair”
“Definitely worth the price”
What buyers complain about
“Smells awful”
“Not moisturizing”
“It also left my hair tangled”
“That soap it doesnt work at all”
“After a few weeks I started getting a rash”
“Hard to get it to lather”
“Falls apart”
“Way to expensive”
“After using a few times made my hair really oily”
“See nothing different in gray hair after using several times”
Top return reasons
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.