Alum Block Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

July 2026

Alum Block sales on Amazon US totaled 28,350 units in July 2026 (▲ 15.0% vs. the prior month), generating an estimated $249,242 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 60.0% of unit volume and 55.1% of revenue, while a typical listing is priced at $9.24. The keyword itself pulled 14,932 Amazon queries over the same period (▼ 22.1% MoM).

Zooming out to the 12-month window ending July 2026, the alum block Top 50 moved 217,600 units and $1,887,936 in cumulative sales — an average of 18,133 units and $157,328 per month. Monthly throughput topped out at 28,350 units in July 2026 and dipped to 13,200 in December 2025, leaving the latest reading 92.2% higher than August 2025.

217.6KTotal units sold · Last 12 months
$1.9MTotal revenue · Last 12 months
14.9K▼ 22.1% MoM
Monthly search volume
$9.24Avg. price · July 2026

Alum Block Sales Trend (Trailing 12 Months)

Based on the top 50 ASINs by monthly sales for this keyword

Sales
Revenue

2025/08

Sales14.8K
Revenue$122.3K

2025/09

Sales14.5K
Revenue$125K

2025/10

Sales13.6K
Revenue$115K

2025/11

Sales14.6K
Revenue$125.1K

2025/12

Sales13.2K
Revenue$114.7K

2026/01

Sales15.5K
Revenue$132K

2026/02

Sales17.7K
Revenue$156.7K

2026/03

Sales22.3K
Revenue$199.3K

2026/04

Sales23.9K
Revenue$208.6K

2026/05

Sales14.6K
Revenue$121.2K

2026/06

Sales24.6K
Revenue$218.7K
28.4K

2026/07

Sales28.4K
Revenue$249.2K
25/0925/1126/0126/0326/0526/07
ASINSIGHT
Source: www.asinsight.com

Monthly Sales 2026/07

28.4K

▲ 15.0% MoM

Monthly Revenue 2026/07

$249.2K

▲ 14.0% MoM

Top 10 Market Share 2026/07

60.0%

See the Top 10 ASINs driving 60.0% of sales

Alum Block Market Share & Sales Concentration on Amazon US — July 2026

The most-sold alum block listing on Amazon US in July 2026 is ASIN B008KQAS3U (Brand: McCormick), which sold 5,000 units at $4.22 apiece — equal to 17.6% of every unit tracked in this report and 1.7× the volume of the No. 2 listing.

The Top 10 ASINs account for 17,000 units and $137,250 in July 2026 — 60.0% of unit volume and 55.1% of revenue among all 50 ranked ASINs in this report.

Sales Volume of Top ASINs for 'Alum Block' on Amazon

July 2026
ASINSIGHT Logo
60.0% Volume Share 17K units sold
55.1% Revenue Share $137.3K estimated
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Top 5 Volume Share breakdown

B008KQAS3U 17.6%
B00FA35K02 10.6%
B07B8MF3N1 7.1%
B00UVAG21A 3.5%
B07P8BJGGF 3.5%
Others 57.7%
#1
McCormick Alum, 1.9 oz

B008KQAS3U

McCormick Alum, 1.9 oz

$4.22·★ 4.6·1.7K reviews
Monthly Sales

5K

▲ 66.7%

vs. prior month

Revenue

$20.8K

latest month

Monthly Trend

12-month trend

#2
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

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

$9.50·★ 4.4·7.3K reviews
Monthly Sales

3K

▲ 0.0%

vs. prior month

Revenue

$28.5K

latest month

Monthly Trend

12-month trend

#3
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

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

$10.00·★ 4.6·3K reviews
Monthly Sales

2K

▲ 0.0%

vs. prior month

Revenue

$20K

latest month

Monthly Trend

12-month trend

#4
Hoosier Hill Farm Alum Granulated Pickle Powder, 1LB (Pack of 1)

B00UVAG21A

Hoosier Hill Farm Alum Granulated Pickle Powder, 1LB (Pack of 1)

$14.99·★ 4.6·2.7K reviews
Monthly Sales

1K

▲ 100.0%

vs. prior month

Revenue

$15K

latest month

Monthly Trend

12-month trend

#5
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)

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)

$6.99·★ 4.6·1.4K reviews
Monthly Sales

1K

▲ 0.0%

vs. prior month

Revenue

$6.9K

latest month

Monthly Trend

12-month trend

#6
Herbs Botanica Potassium Alum Powder (Fitkari), 5.3 oz | Pure granulated alum powder for skin care, deodorant, cleansing, and household use.

B0B8DGRJZP

Herbs Botanica Potassium Alum Powder (Fitkari), 5.3 oz | Pure granulated alum powder for skin care, deodorant, cleansing, and household use.

$6.74·★ 4.6·725 reviews
Monthly Sales

1K

▲ 0.0%

vs. prior month

Revenue

$6.7K

latest month

Monthly Trend

12-month trend

Unlock to view all Top 50 ASIN competitors and their sales contributions

Best Alum Block Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)

McCormick is the best-performing alum block brand in July 2026, moving 5,000 units across 1 ASIN for 29.4% of Top 10 volume. Gentleman Jon follows with 3,000 units (17.6%), ahead of Proraso on 2,000 units (11.8%).

Volume is spread across 9 brands, with the top three holding 58.8% 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

29.4%
17.6%
11.8%
41.2%
McCormick
Gentleman Jon
Proraso
Other brands
1

McCormick

1 ASIN in Top 10

29.4%

Units

5K

Revenue

$20.8K

Avg. price

$4.22

  • McCormick Alum, 1.9 oz

    B008KQAS3U

    $4.22·★4.6·1.7K revs

    McCormick Alum, 1.9 oz

    Units sold5K
2

Gentleman Jon

1 ASIN in Top 10

17.6%

Units

3K

Revenue

$28.5K

Avg. price

$9.50

  • 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

    B00FA35K02

    $9.50·★4.4·7.3K revs

    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

    Units sold3K
3

Proraso

1 ASIN in Top 10

11.8%

Units

2K

Revenue

$20K

Avg. price

$10.00

  • 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

    B07B8MF3N1

    $10.00·★4.6·3K revs

    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

    Units sold2K

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