Is alum profitable to sell on Amazon United States?

The niche generates $733K/yr across 12 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +17.4%. Flapen's verdict: Worth a look (55/100).

How competitive is the alum niche?

10 brands and 22 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 77% of demand.

What do buyers complain about in alum?

Top complaints mined from reviews: Moist/Dry, Advertised Vs Actual Product, Functionality-Overall. The return rate is 0.1%.

When does demand for alum peak?

Demand peaks in Jul; the busiest month runs 1.7× the quietest.

What does it cost to enter the alum niche?

Listings span $4.56–$19.89; the average listing price is $9.76 (sweet spot $15–$100). The average incumbent carries 858 reviews — the moat a new listing must climb.

alum

Worth a look

Shows low returns (0.1%), but a concentrated shelf (top 5 take 71% of clicks) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible15.8%

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

Market size

Good$733K

$733K/yr · 474K searches

Review moat

Good858.42

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+17.4%

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

Brand share

Okay77%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Price range

Okay$4.56–$19.89

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

Avg price

Okay$9.76

avg listing price — sweet spot $15–$100

Competition

Bad71%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, alum is a $733K/yr Amazon United States market (474K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Jul. Verdict: Worth a look — 55/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

alum market data

Units sold / yr: 50K–60K; avg 3,000–4,000/product
Revenue / yr: $488K–$586K; units × avg price
Conversion rate: 15.8%
Avg BSR: #122
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 0.0%
Avg brand age: 73 months
Avg seller age: 175 days

Competition & brand share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

17%

McCormick35%
Herbs Botanica21%
MB Herbals8%
Medley Hills Farm7%
Essencea6%
Shudh Online6%
Open — no brand owns it (4 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +17.4% search growth over the last 90 days.

Peak months: Jul · busiest ÷ quietest = 1.7×

Open Trend

Top alum search terms

alum223K/yr +22.4%10.5% conv.
alum powder122K/yr +9.2%13.0% conv.
alum powder for flowers22K/yr +85.5%14.3% conv.
potassium alum15K/yr +36.8%4.4% conv.
alumbre en polvo23K/yr -28.7%4.0% conv.
allum8K/yr +32.8%9.5% conv.
alum powder for cut flowers4K/yr +198.3%12.2% conv.
alum spice5K/yr +106.5%21.7% conv.
alum powder food grade7K/yr -47.8%10.9% conv.
potassium alum powder5K/yr +29.1%10.8% conv.

All search terms

Top alum 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 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

McCormick Alum 1.9 oz

McCormick$4.564.6★1,703 rev

Herbs Botanica Potassium Alum Powder (Fitkari) Pure Granulated Alum for Skin Care Canker Sores Deodorant Alumbre en Polvo Natural Cleansing & Flowers 5.3 oz

Herbs Botanica$6.764.6★705 rev

Herbs Botanica Alum Powder Potassium Alum Fitkari Granulated Powder Natural and Pure 2 oz No Additives Multi-Use Baking & Household Essential Pure

Herbs Botanica$4.924.5★306 rev

MB Herbals Alum Powder 100 Gram (3.5 oz) | Deodorant | After Shave | Leather Fabric and Paper Mordant | External Use Only

MB Herbals$6.924.6★1,603 rev

Alum Powder Granulated Food Grade 2 lbs. - by Medley Hills Farm in Reusable Container - Granulated Potassium Alum Powder - Made in the USA

Medley Hills Farm$12.084.6★242 rev

Newest

by launch date

Alum Powder 8 Ounce Resealable Bag Hampton Distribution

Hampton Distribution$10.0678 rev

10mo ago

Spice Magic White Alum Powder Food Grade for Pickling & Aftershave 8 oz

SPICE MAGIC THE TASTE OF MAGIC$7.9956 rev

1y ago

Alum Powder for Skin Piedra de Alumbre en Polvo (3.5 oz - 100g) Fitkari Alum Stone for Face Granulado Alumbre para Lavado Intimo Tawas Allum Salt Spice

Shudh Online$6.63405 rev

1y ago

Herbs Botanica Alum Powder Potassium Alum Fitkari Granulated Powder Natural and Pure 2 oz No Additives Multi-Use Baking & Household Essential Pure

Herbs Botanica$4.92306 rev

1y ago

Alum Powder Granulated Food Grade 2 lbs. - by Medley Hills Farm in Reusable Container - Granulated Potassium Alum Powder - Made in the USA

Medley Hills Farm$12.08242 rev

1y ago

What buyers say about alum

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

What buyers love

Quality-Overall26%

“Good quality alum powder”

Advertised Vs Actual Product16%

“as advertised”

Value For Money8%

“Great deal”

Ease Of Use7%

“Easy to use”

Efficiency4%

“it is very effective”

Freshness3%

“Keeps me fresh”

Crispiness3%

“Crispy pickles”

Durability2%

“The little bag lasts me for months”

Color2%

“the hydrangeas keep their color”

Spiciness2%

“Excellent Spice”

What buyers complain about

Moist/Dry18%

“It had absorbed moisture and was now wet and clumpy”

Advertised Vs Actual Product11%

“Not what it said it was”

Functionality-Overall9%

“Didn't work for me”

Quality-Overall6%

“Trash product”

Dilute/Watery5%

“This product is either mislead or contaminated, it is not a powder so much as a bag of wet, discolored clumps, with a heavy chemical smell”

Size-Overall5%

“Very big rocks”

Chunk/Clump/Collection5%

“Wet, brown, and clumpy”

Ingredients-Overall5%

“other particles mixed in”

Value For Money4%

“It is a little expensive for the small quantity”

Smell4%

“it doesnt smell AT ALL”

Top return reasons

Size-Overall38%

Advertised Vs Actual Product21%

Functionality-Overall15%

Defective Material/Parts8%

Smell4%

Value For Money3%

Ease Of Use2%

Quality-Overall2%

Ingredients-Overall2%

Durability2%

Common questions

Is alum profitable to sell on Amazon United States?: The niche generates $733K/yr across 12 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +17.4%. Flapen's verdict: Worth a look (55/100).
How competitive is the alum niche?: 10 brands and 22 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in alum?: Top complaints mined from reviews: Moist/Dry, Advertised Vs Actual Product, Functionality-Overall. The return rate is 0.1%.
When does demand for alum peak?: Demand peaks in Jul; the busiest month runs 1.7× the quietest.
What does it cost to enter the alum niche?: Listings span $4.56–$19.89; the average listing price is $9.76 (sweet spot $15–$100). The average incumbent carries 858 reviews — the moat a new listing must climb.

alum

alum market data

Competition & brand share

Demand & seasonality

Top alum search terms

Top alum products on Amazon

Top sellers

Newest

Trending

What buyers say about alum

What buyers love

What buyers complain about

Top return reasons

Common questions

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