Is humby shampoo bar for gray hair profitable to sell on Amazon United States?

The niche generates $537K/yr across 13 tracked products. 3 of 11 products launched in the last 360 days are still selling. 90-day search growth is +3.6%. Flapen's verdict: Worth a look (54/100).

How competitive is the humby shampoo bar for gray hair niche?

9 brands and 13 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in humby shampoo bar for gray hair?

Top complaints mined from reviews: Hair Related, Moist/Dry, Smell. The return rate is 0.7%.

When does demand for humby shampoo bar for gray hair peak?

Demand peaks in May–Jun; the busiest month runs 2.1× the quietest.

What does it cost to enter the humby shampoo bar for gray hair niche?

Listings span $12.69–$30.54; the average listing price is $18.92 (sweet spot $15–$100). The average incumbent carries 2,057 reviews — the moat a new listing must climb.

humby shampoo bar for gray hair

Worth a look

Shows beatable incumbent ratings (3.7★), but a concentrated shelf (top 5 take 74% of clicks) keeps it on the watch list.

Quality gap

Incredible3.7★

avg incumbent rating — lower means beatable quality

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Avg price

Great$18.92

avg listing price — sweet spot $15–$100

Price range

Great$12.69–$30.54

cheapest to priciest tracked listing — scored on the share inside $15–$100

Market size

Good$537K

$537K/yr · 1.0M searches

Review moat

Okay2,057.23

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay83%

top-5 brand share — brands hold most of the demand

Conversion

Okay2.8%

search→purchase rate — share of searches ending in a sale

Growth

Okay+3.6%

90-day search growth — must beat 0% to launch

Competition

Bad74%

top-5 click share — a locked-up shelf

Signals Low Review Barrier Quality Gap Out of Stock

According to Flapen's Amazon United States niche tracking, humby shampoo bar for gray hair is a $537K/yr Amazon United States market (1.0M searches/yr). The top 5 brands hold 83% of demand. Demand peaks in May–Jun. Verdict: Worth a look — 54/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

humby shampoo bar for gray hair market data

Units sold / yr: 15K–20K; avg 500–750/product
Revenue / yr: $284K–$378K; units × avg price
Conversion rate: 2.8%
Avg BSR: #882
Page quality: 0%
Prime: 100%
Sponsored: 77%
Out of stock: 14.5%
Avg brand age: 47 months
Avg seller age: 133 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 falling

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

11%

Htcpuo41%
Generic21%
Humby8%
HUMMBY Aura7%
SQUISHYSOFTIES6%
The Earthling Co.6%
Open — no brand owns it (3 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.6% search growth over the last 90 days.

Peak months: May, Jun · busiest ÷ quietest = 2.1×

Open Trend

Top humby shampoo bar for gray hair search terms

humby blueberry fields shampoo & conditioner151K/yr +67.4%2.1% conv.
humby organics116K/yr +30.4%1.1% conv.
humby organics shampoo bar for older women214K/yr -54.6%2.2% conv.
humby organics shampoo bar118K/yr -35.2%1.4% conv.
humby43K/yr +48.4%0.9% conv.
humbly organics blueberry fields shampoo & conditioner bundle31K/yr +67.7%1.8% conv.
blueberry fields shampoo & conditioner bundle41K/yr +8.2%3.6% conv.
humbly organics shampoo and conditioner bars58K/yr -33.5%1.5% conv.
blueberry fields shampoo bar22K/yr +51.4%3.4% conv.
humby organics blueberry fields shampoo14K/yr +52.1%2.0% conv.

All search terms

Top humby 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

2PCS Blueberry Fields Shampoo & Conditioner Bundle Bars for Hair Thinning Frizz

Htcpuo$15.803.5★216 rev

Blueberry Fields Shampoo & Conditioner Bundle Bars Natural Blueberry Extract for Hair Thinning Frizz Unisex (1 SET)

Generic$16.613.9★54 rev

Biotin Shampoo and Conditioner Set for Thinning Hair Volumizing Hair Growth Shampoo for Women & Men Sulfate Free Rosemary & Blueberry Hair Care for Dry Damaged Hair

Humby$29.573.8★11 rev

Blue berry Fields Shampoo & Conditioner Bundle Bars for Hair Thinning Frizz (1Set)

HUMMBY Aura$21.212.5★19 rev

Blueberry Fields Shampoo & Conditioner Bundle Antioxidant-Rich Hair Care Bundle for Thinning & Dry Hair Volumizing Deeply Nourishing & Color-Safe - Eco-Friendly Travel-Friendly & Zero Waste (1 Set)

Generic$17.903.8★29 rev

Newest

by launch date

Biotin Shampoo and Conditioner Set for Thinning Hair Volumizing Hair Growth Shampoo for Women & Men Sulfate Free Rosemary & Blueberry Hair Care for Dry Damaged Hair

Humby$29.5711 rev

1mo ago

Blue berry Fields Shampoo Bars for Hair Thinning Frizz (1Set)

SQUISHYSOFTIES$15.4328 rev

2mo ago

Blue berry Fields Shampoo & Conditioner Bundle Bars for Hair Thinning Frizz (1Set)

SQUISHYSOFTIES$16.6312 rev

3mo ago

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

4mo ago

2PCS Blueberry Fields Shampoo and Conditioner Bar Set Natural Blueberry Fields Soap Bars For Thinning or Dry Frizzy Hair Promote Hair Growth and Reduce Hair Fall All Hair Types Men & Women

ADUTRY$15.0714 rev

6mo ago

What buyers say about humby shampoo bar for gray hair

What buyers praise and complain about, mined from review topics.

What buyers love

Smell18%

“Clean fragrance”

Lather14%

“the lather gets thick”

Soft Feel11%

“My hair feels soft”

Quality-Overall7%

“Excellent line of products”

Hair Growth7%

“This shampoo has rescued my hair”

Cleansing6%

“it really cleans your hair”

Ease Of Use3%

“Easy to use”

Suitability Straight Hair3%

“Surprisingly Great for Fine Hair”

Value For Money2%

“Definitely worth the price”

Durability2%

“Lasts and lasts and has made a difference to volume and shine”

What buyers complain about

Hair Related10%

“also I feel like more of my hair fell out”

Moist/Dry10%

“a little dry”

Smell9%

“Smells awful”

Lather4%

“Was skeptical about the lather”

Allergies4%

“By The next day it appeared I got a rash and felt itchy”

Damage/Burn Hair4%

“Itchy scalp, hair dry, still losing hair”

Advertised Vs Actual Product3%

“Not as it seems”

Value For Money3%

“Cost seems a little high”

Oily/Greasy3%

“Considering my hair is oily”

Suitability Short Hair3%

“pulls on my hair”

Top return reasons

Smell35%

Advertised Vs Actual Product22%

Moist/Dry5%

Size-Overall5%

Damage/Burn Hair4%

Suitability Short Hair4%

Functionality-Overall3%

Lather2%

Hair Related2%

Oily/Greasy2%

Common questions

Is humby shampoo bar for gray hair profitable to sell on Amazon United States?: The niche generates $537K/yr across 13 tracked products. 3 of 11 products launched in the last 360 days are still selling. 90-day search growth is +3.6%. Flapen's verdict: Worth a look (54/100).
How competitive is the humby shampoo bar for gray hair niche?: 9 brands and 13 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in humby shampoo bar for gray hair?: Top complaints mined from reviews: Hair Related, Moist/Dry, Smell. The return rate is 0.7%.
When does demand for humby shampoo bar for gray hair peak?: Demand peaks in May–Jun; the busiest month runs 2.1× the quietest.
What does it cost to enter the humby shampoo bar for gray hair niche?: Listings span $12.69–$30.54; the average listing price is $18.92 (sweet spot $15–$100). The average incumbent carries 2,057 reviews — the moat a new listing must climb.