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black soap for gray hair

Skip it37/100

a small market ($9K/yr) — black soap for gray hair doesn't clear our bar today.

Market/yr

$9K

Growth (1y)

-8.4%

Products

34

Brands

22

was 8 a year ago

Sellers

25

Price range

$4.49–$89.91

Returns

1.4%

Rating

4.0★

37/100

Skip it

Scored 37/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
0
×0.30
Growth
23
×0.30
Competition
65
×0.20
Quality gap
85
×0.10
Returns
89
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — -8.4% year over year.
7K4KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26Jul '24Nov '24Mar '25Jun '25Oct '25Feb '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Jul, Aug, Sep · busiest ÷ quietest = 4.4×

Competition

25%Quatish
  • Quatish25%
  • SOAP COVER16%
  • pewatul11%
  • RADIUS9%
  • KYDA6%
  • TPTAL5%
  • Other (16 brands)28%

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them. 22 brands and 25 sellers compete here.

Brands

22 rising

was 8 a year ago

Sellers

25

Top 5 brand share

67%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 34 tracked products in this niche.

Soap Cover Black Soap for Gray Hair Gray Hair Reverse Bar Shampoo 1.7 Oz

Soap Cover Black Soap for Gray Hair Gray Hair Reverse Bar Shampoo 1.7 Oz

SOAP COVER

$40.142.5★2,019 reviews

pewatul Gray Hair Reverse Bar Black Soap For Gray Hair Darkening Shampoo Bar Natural Soap for Hair & Beard Darkening Moisturizing & Scalp Care for Men Women 2PACK (Grey 3pc) (black 2pc)

pewatul Gray Hair Reverse Bar Black Soap For Gray Hair Darkening Shampoo Bar Natural Soap for Hair & Beard Darkening Moisturizing & Scalp Care for Men Women 2PACK (Grey 3pc) (black 2pc)

pewatul

$15.093.2★57 reviews

RADIUS Soap Travel Case BPA-Free Recycled Plastic Leakproof Portable for Bathroom Gym Home Camping - Lavender

RADIUS Soap Travel Case BPA-Free Recycled Plastic Leakproof Portable for Bathroom Gym Home Camping - Lavender

RADIUS

$4.494.6★878 reviews

Quatish Leakproof Soap Dish with Lid & Draining Layer Shatterproof Travel Bar Soap Holder Case Container Portable Travel Size Toiletries Essentials for Camping Gym Bathroom Black

Quatish Leakproof Soap Dish with Lid & Draining Layer Shatterproof Travel Bar Soap Holder Case Container Portable Travel Size Toiletries Essentials for Camping Gym Bathroom Black

Quatish

$6.104.7★7,327 reviews

KYDA 3Pcs Gray Hair Reverse Bar Soap Black Shampoo Bar for Hair and Beard Darkening Deep Clean and Nourish the Scalp Black Soap for Gray Hair Natural Darkening Shampoo Soap

KYDA 3Pcs Gray Hair Reverse Bar Soap Black Shampoo Bar for Hair and Beard Darkening Deep Clean and Nourish the Scalp Black Soap for Gray Hair Natural Darkening Shampoo Soap

KYDA

$11.353.4★120 reviews

Quatish Leakproof Bar Soap Holder Dish with Lid for Shower Portable 1 Pack Travel Soap Case Box for Gym Camping Hiking Outdoor Use Travel Size Toiletries Essentials Keeps Soap Dry Blue

Quatish Leakproof Bar Soap Holder Dish with Lid for Shower Portable 1 Pack Travel Soap Case Box for Gym Camping Hiking Outdoor Use Travel Size Toiletries Essentials Keeps Soap Dry Blue

Quatish

$6.024.7★3,406 reviews

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 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

$17.873.4★40 reviews

TPTAL Gray Reverse Bar Cover Gray-Hair-Bar Soap Natural Hair Darkening Shampoo Bars for Coverage GrayHair Soap Grays White Hair Reverse Basr Fast Natural Black Hairs Shampoo BarSoap (2PCS)

TPTAL Gray Reverse Bar Cover Gray-Hair-Bar Soap Natural Hair Darkening Shampoo Bars for Coverage GrayHair Soap Grays White Hair Reverse Basr Fast Natural Black Hairs Shampoo BarSoap (2PCS)

TPTAL

$11.022.9★311 reviews

Reviews

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

What buyers love

Quality-Overall15%

“The case is good quality”

Advertised Vs Actual Product9%

“Better than expected”

Portability6%

“Easy for travel and home”

Size-Overall6%

“Fit great”

Value For Money5%

“Worth it”

Efficiency5%

“effective”

Ease Of Use4%

“Easy to open”

Durability4%

“The material appears durable”

Leak-Proof4%

“Did not leak”

Ease Of Cleaning4%

“Easy to clean”

What buyers complain about

Functionality-Overall14%

“it simply doesn't function well because of that”

Size-Overall13%

“To small”

Leak-Proof8%

“It leaks”

Water Resistance5%

“no water”

Color4%

“Not the color I ordered”

Durability4%

“it started to come apart”

Quality-Overall4%

“Poor quality”

Value For Money4%

“Not worth the money”

Hard Feel3%

“Very rough texture”

Lather3%

“It doesn't lather that well”

Top return reasons

  • Size-Overall57%
  • Leak-Proof5%
  • Advertised Vs Actual Product5%
  • Value For Money4%
  • Material Quality4%
  • Quality-Overall3%
  • Functionality-Overall3%
  • Color3%
  • Hard Feel3%
  • Weight Heavy2%

Data scraped July 6, 2026 · Marketplace baseline: 4.4★ avg rating · $22.71 median price · 2.2% median returns across 13,812 tracked niches.