Alum Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Alum sales on Amazon US totaled 28,100 units in July 2026 (▲ 16.1% vs. the prior month), generating an estimated $254,278 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 60.1% of unit volume and 54.2% of revenue, while a typical listing is priced at $10.55. The keyword itself pulled 24,763 Amazon queries over the same period (▼ 12.9% MoM).
Zooming out to the 12-month window ending July 2026, the alum Top 50 moved 210,500 units and $1,880,441 in cumulative sales — an average of 17,542 units and $156,703 per month. Monthly throughput topped out at 28,100 units in July 2026 and dipped to 12,350 in December 2025, leaving the latest reading 81.3% higher than August 2025.
Alum Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
28.1K
▲ 16.1% MoM
Monthly Revenue 2026/07
$254.3K
▲ 15.1% MoM
Top 10 Market Share 2026/07
60.1%
Alum Market Share & Sales Concentration on Amazon US — July 2026
The most-sold alum listing on Amazon US in July 2026 is ASIN B008KQAS3U (Brand: McCormick), which sold 5,000 units at $4.22 apiece — equal to 17.8% of every unit tracked in this report and 1.7× the volume of the No. 2 listing.
The Top 10 ASINs account for 16,900 units and $137,841 in July 2026 — 60.1% of unit volume and 54.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Alum' on Amazon
July 2026









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Top 5 Volume Share breakdown

B008KQAS3U
McCormick Alum, 1.9 oz
5K
▲ 66.7%vs. prior month
$20.8K
latest month
12-month trend

B00FA35K02
Gentleman Jon Alum Block - 3.7oz Aftershave Solution for Razor Burn Relief | Alum Block in Travel Friendly Plastic Case, Aftershave for Men, 100% Potassium Alum Stone for Shaving, Helps Fight Razor Burn
3K
▲ 0.0%vs. prior month
$28.5K
latest month
12-month trend

B07B8MF3N1
Proraso Post-Shave Stone, Natural Alum Block, 1 Count (Pack of 1) | Soothing Potassium Alum Stone for Post Shave - Tones Skin & Provides Razor Burn Relief - 0.26lb
2K
▲ 0.0%vs. prior month
$20K
latest month
12-month trend

B00UVAG21A
Hoosier Hill Farm Alum Granulated Pickle Powder, 1LB (Pack of 1)
1K
▲ 100.0%vs. prior month
$15K
latest month
12-month trend

B07P8BJGGF
Alum Stone for Face (3.5 oz - 0.2 lb) Piedra de Alumbre para Lavado Intimo - Natural Fitkari Stone for Shaving - Phitkari Alum Crystal Rocks | Potassium Alum (100g)
1K
▲ 0.0%vs. prior month
$6.9K
latest month
12-month trend

B0B8DGRJZP
Herbs Botanica Potassium Alum Powder (Fitkari), 5.3 oz | Pure granulated alum powder for skin care, deodorant, cleansing, and household use.
1K
▲ 0.0%vs. prior month
$6.7K
latest month
12-month trend
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Best Alum Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
McCormick is the best-performing alum brand in July 2026, moving 5,000 units across 1 ASIN for 29.6% of Top 10 volume. Gentleman Jon follows with 3,000 units (17.8%), ahead of Proraso on 2,000 units (11.8%).
Volume is spread across 9 brands, with the top three holding 59.2% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $4.22 to $10.00, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
McCormick
1 ASIN in Top 10
29.6%
Units
5K
Revenue
$20.8K
Avg. price
$4.22

B008KQAS3U
$4.22·★4.6·1.7K revsMcCormick Alum, 1.9 oz
Units sold5K
Gentleman Jon
1 ASIN in Top 10
17.8%
Units
3K
Revenue
$28.5K
Avg. price
$9.50

B00FA35K02
$9.50·★4.4·7.3K revsGentleman Jon Alum Block - 3.7oz Aftershave Solution for Razor Burn Relief | Alum Block in Travel Friendly Plastic Case, Aftershave for Men, 100% Potassium Alum Stone for Shaving, Helps Fight Razor Burn
Units sold3K
Proraso
1 ASIN in Top 10
11.8%
Units
2K
Revenue
$20K
Avg. price
$10.00

B07B8MF3N1
$10.00·★4.6·3K revsProraso Post-Shave Stone, Natural Alum Block, 1 Count (Pack of 1) | Soothing Potassium Alum Stone for Post Shave - Tones Skin & Provides Razor Burn Relief - 0.26lb
Units sold2K
Trending Alum Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 2 ASINs forced its way in: B00UVAG21A booked 1K units at $14.99, with ▲ 100.0% MoM change. On the growth side, B004NEHR28 leads positive momentum with ▲ 500.0% MoM growth on 300 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.

B00UVAG21A
Hoosier Hill Farm Alum Granulated Pickle Powder, 1LB (Pack of 1)
Price
$14.99
Rating
4.6
Reviews
2.7K
Latest month sales

B0DMDJN49S
Herbs Botanica Alum Powder, Potassium Alum Fitkari, 2 oz | Granulated alum powder with no additives for baking, household, and multipurpose use.
Price
$5.00
Rating
4.6
Reviews
340
Latest month sales

B004NEHR28
Bloc Osma Alum Block, 2.65 Ounce
Unlock to view ASIN details and product titles
Price
$8.75
Rating
4.5
Reviews
5K
Latest month sales
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