Is rock soap profitable to sell on Amazon United States?

The niche generates $21K/yr across 31 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.2%. Flapen's verdict: Skip it (46/100).

How competitive is the rock soap niche?

8 brands and 15 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 97% of demand.

What do buyers complain about in rock soap?

Top complaints mined from reviews: Smell, Size-Overall, Value For Money. The return rate is 1.0%.

When does demand for rock soap peak?

Demand peaks in Nov–Dec; the busiest month runs 3.2× the quietest.

What does it cost to enter the rock soap niche?

Listings span $11.92–$44.93; the average listing price is $20.59 (sweet spot $15–$100). The average incumbent carries 219 reviews — the moat a new listing must climb.

rock soap

Skip it

A small market ($21K/yr) — this niche doesn't clear our bar today.

Returns

Incredible1.0%

return rate — above 5% kills the launch gate

Review moat

Great219.06

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$20.59

avg listing price — sweet spot $15–$100

Price range

Great$11.92–$44.93

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

Competition

Good47%

top-5 click share — leaders hold, buyers still browse

Conversion

Good4.2%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-1.2%

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

Brand share

Bad97%

top-5 brand share — brand-locked demand

Market size

Bad$21K

$21K/yr · 25K searches

According to Flapen's Amazon United States niche tracking, rock soap is a $21K/yr Amazon United States market (25K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 46/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

rock soap market data

Units sold / yr: 1K–2K; avg 0–100/product
Revenue / yr: $26K–$31K; units × avg price
Conversion rate: 4.2%
Avg BSR: #3,494
Page quality: 0%
Prime: 100%
Sponsored: 97%
Out of stock: 0.5%
Avg brand age: 72 months
Avg seller age: 160 days

Competition & brand share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

47%

Top 20: 90%

Open market

SoapRocks47%
Earth & Home23%
Bff Beauty Garden13%
T.S. Pink11%
Crystal2%
MOONBLISS1%
Open — no brand owns it (2 brands, 2%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -1.2% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 3.2×

Open Trend

Top rock soap search terms

rock soap9K/yr +1.9%4.3% conv.
soap rocks7K/yr -6.0%5.1% conv.
crystal soap4K/yr -2.8%1.7% conv.
soaprocks2K/yr +15.6%4.1% conv.
rock soaps soaprocks2K/yr -14.7%4.7% conv.

All search terms

Top rock soap 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Soap Bar Sets - Bff Beauty 6pcs Hand Face Body Bar Soap Birthday Valentine Gift Set for Women Perfect Gemstone Soap Rocks Set for Women & Men Moisturizing Skin Best Gift Ideal for Birthday Gifts

Bff Beauty Garden$17.194.7★339 rev

TS Pink Opal SoapRocks - Soap that looks like a Rock ~ 6 oz. Gem Rocks Birthstone Jabn Gemstone

SoapRocks$18.154.6★161 rev

Earth & Home Rock Soap- Soap Rocks set of 2- Mothers day Gift- Decorative Scented Gemstone Soaps with Real Crystals inside- with Natural Ingredients & Essential Oil- Moisturizing

Earth & Home$21.214.5★449 rev

Soap Rocks Set 6 Piece Palm Stones Random Variety Pack Bundle TS Pink

SoapRocks$36.364.2★185 rev

Turquoise Soap Rock 6oz

SoapRocks$18.244.7★238 rev

Newest

by launch date

Crystal Gem Soaps (Aloe Vera) - Handmade Soap Bars with Beautiful Designs - Bar Soap for Sensitive Skin Moisturizing - Nature-Inspired Bath Soap & Hand Soap for Skin Care - Gifts for Women (Pack of 2)

MOONBLISS$11.9232 rev

9mo ago

Earth & Home Rocksoap Bar Soap-Gemstone Soaps with Real Crystals Inside- Moisturizing & Scented Fancy Soap Gift for Women- Crystal Soap with Natural Ingredients & Essential Oil- Christmas soap gift

Earth & Home$20.4836 rev

1y ago

Earth & Home Rock Soap Set of 2- Gemstone Soaps with Real Crystals Inside- Decorative Crystal Soap with Natural Ingredients & Essential Oil- Moisturizing & Herbal Scented Fancy Gift for Women

Earth & Home$20.1536 rev

1y ago

Soap Bar Sets - Bff Beauty 6pcs Hand Face Body Bar Soap Birthday Valentine Gift Set for Women Perfect Gemstone Soap Rocks Set for Women & Men Moisturizing Skin Best Gift Ideal for Birthday Gifts

Bff Beauty Garden$17.19339 rev

3y ago

Gemstone Soap & Bath Bomb Set- Relaxing Spa Gift for women- Mothers day gift set- 4 Decorative scented Rock Soap with Crystals and 4 Fizzy Bath Bomb- with Natural Ingredients & Essential Oil

Earth & Home$26.25449 rev

3y ago

What buyers say about rock soap

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

What buyers love

Gifting Purpose35%

“Nice gift,”

Smell20%

“The fragrances are very nice”

Soft Feel6%

“these soaps are so gentle”

Color4%

“Colors are really pretty”

Quality-Overall4%

“Great product”

Shape/Style3%

“Beautiful soaps shaped like stone”

Allergies3%

“Good soap for people who are allergic to regular soap”

Efficiency3%

“Definitely works”

Lather3%

“They also lather quite nicely”

Suitability Combination Skin2%

“and good for your skin”

What buyers complain about

Smell30%

“Too Much Scent”

Size-Overall19%

“are actually larger than what I thought they would be”

Value For Money13%

“a little disappointed on value”

Quality-Overall6%

“Soap Quality. Not as good as Gemstone soap”

Advertised Vs Actual Product3%

“just know it possibly wont be as advertised”

Color3%

“No white, wouldnt describe it as pink opal”

Allergies3%

“I gave extremely sensitive skin”

Shape/Style2%

“The shapes are odd at first”

Top return reasons

Advertised Vs Actual Product22%

Smell20%

Size-Overall20%

Color12%

Quality-Overall6%

Side Effects2%

Moist/Dry2%

Sensitivity-Overall2%

Ease Of Use2%