purple shampoo bar
Skip itBrand-locked demand (top 5 brands take 93% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Conversion
Great11.7%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$13.95avg listing price — sweet spot $15–$100
Price range
Good$9.08–$24.82cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+7.0%90-day search growth — must beat 0% to launch
Review moat
Bad4,646.23avg incumbent reviews — the moat a new listing must climb
Competition
Bad76%top-5 click share — a locked-up shelf
Market size
Bad$78K$78K/yr · 47K searches
Brand share
Bad93%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, purple shampoo bar is a $78K/yr Amazon United States market (47K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 46/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
purple shampoo bar market data
- Units sold / yr
- 4K–5K
- avg 250–500/product
- Revenue / yr
- $56K–$70K
- units × avg price
- Conversion rate
- 11.7%
- Avg BSR
- #1,255
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 85%
- Out of stock
- 6.6%
- Avg brand age
- 42 months
- Avg seller age
- 144 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
10
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
4%
- Kitsch72%
- Arista ayurveda9%
- NATURÉL5%
- Loobexery4%
- Ethique3%
- Viori3%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 102 weeks — +7.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.7×
Top purple shampoo bar search terms
- purple shampoo bar10K/yr
- kitsch purple shampoo4K/yr
- kitsch purple shampoo bars and conditioner set5K/yr
- bar shampoo for gray hair8K/yr
- shampoo bar for grey hair3K/yr
- kitsch purple shampoo bar6K/yr
- purple bar shampoo3K/yr
- kitsch purple2K/yr
- shampoo bar for gray hair3K/yr
- shampoo bars for gray hair3K/yr
Top purple shampoo bar 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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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
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 - 3.5 oz
Kitsch$11.994.5★14,725 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$23.694.4★56 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
Newest
by launch dateKitsch 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 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
Ethique Purple Shampoo Bar for toning brassy hair - Plastic-Free Cruelty-Free Vegan 3.88 oz - Formerly Tone It Down
Ethique$13.6696 rev
SAPHUS Sulfate Free Brass Toning Purple Shampoo Bar for Blonde Bleached Silver or Brown Highlighted Hair Travel Friendly with Tin Container +Sponge
SAPHUS$9.0850 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$24.8235,973 rev
Trending
90-day click momentumKitsch 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 Toning Purple Conditioner For Blondes & Color Treated Hair - Conditioner Bar For Women & Men - With Biotin for Strengthening & Neutralizing Brassy Tones - Vegan Silicone & Sulfate Free - 2.7oz
Kitsch$12.424.4★
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★
Viori Purple Shampoo Bar - Handcrafted with Longsheng Rice Water & Natural Ingredients - All Natural Shampoo Bar - Neutralizes Brassy Tones In Blonde Hair
Viori$12.484.4★
What buyers say about purple shampoo bar
What buyers praise and complain about, mined from review topics.What buyers love
“Good lather”
“Love scent”
“My hair also feels smooth”
“Best for my colored hair”
“A really amazing set of products”
“Easy to use”
“it rinses clean”
“the color is perfect”
“They are so easy to use they last a long time”
“Good product at a reasonable price”
What buyers complain about
“Don't like the smell”
“Poor moisture level”
“Hard to get it to lather”
“Allergic reaction”
“See nothing different in gray hair after using several times”
“Way to expensive”
“my hair felt heavy and greasy, even immediately after shampooing”
“is not a good cleanser”
“Also, I seem to need to wash my hair more frequently as there seems to be a remaining film after washing”
“Didn't work for me”
Top return reasons
Common questions
- Is purple shampoo bar profitable to sell on Amazon United States?
- The niche generates $78K/yr across 13 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +7.0%. Flapen's verdict: Skip it (46/100).
- How competitive is the purple shampoo bar niche?
- 8 brands and 10 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in purple shampoo bar?
- Top complaints mined from reviews: Smell, Moist/Dry, Lather. The return rate is 0.9%.
- When does demand for purple shampoo bar peak?
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- What does it cost to enter the purple shampoo bar niche?
- Listings span $9.08–$24.82; the average listing price is $13.95 (sweet spot $15–$100). The average incumbent carries 4,646 reviews — the moat a new listing must climb.