Castile Soap Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Castile Soap sales on Amazon US totaled 190,300 units in July 2026 (▼ 2.5% vs. the prior month), generating an estimated $3,213,469 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 53.6% of unit volume and 50.6% of revenue, while a typical listing is priced at $20.46. The keyword itself pulled 86,856 Amazon queries over the same period (▼ 4.0% MoM).
Zooming out to the 12-month window ending July 2026, the castile soap Top 50 moved 1,742,150 units and $31,009,383 in cumulative sales — an average of 145,179 units and $2,584,115 per month. Monthly throughput topped out at 195,200 units in June 2026 and dipped to 95,250 in May 2026, leaving the latest reading 27.1% higher than August 2025.
Castile Soap 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
190.3K
▼ 2.5% MoM
Monthly Revenue 2026/07
$3.2M
▼ 2.3% MoM
Top 10 Market Share 2026/07
53.6%
Castile Soap Market Share & Sales Concentration on Amazon US — July 2026
The most-sold castile soap listing on Amazon US in July 2026 is ASIN B00028EYJ8 (Brand: Dr. Bronner's), which sold 20,000 units at $17.17 apiece — equal to 10.5% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 102,000 units and $1,625,520 in July 2026 — 53.6% of unit volume and 50.6% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Castile Soap' on Amazon
July 2026
Is 53.6% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B00028EYJ8
Dr. Bronner's Peppermint Pure-Castile Liquid Soap, Hand Soap, 32 oz | 18-in-1 Uses: Body Wash & Hand Soap for Men and Women, Shampoo, Face, Laundry, Floors, Cars, Pets - Fair Trade & Organic Oils
20K
▼ 33.3%vs. prior month
$340K
latest month
12-month trend
B000HJZS10
Dr. Bronner's Peppermint Pure-Castile Liquid Soap, Body Wash, 8 oz | 18-in-1 Uses: Body Wash & Hand Soap, Shampoo, Face, Laundry, Floors, Car, Pets & More, Fair Trade & Organic Oils, Travel Size
10K
▲ 0.0%vs. prior month
$98.3K
latest month
12-month trend
B000HK1ON0
Dr. Bronner's Pure-Castile Liquid Soap, Made with Organic Oils, 18-in-1 Uses: Face, Body, Hair, Laundry, Pets and Dishes, Concentrated, Vegan, Non-GMO, Lavender, 32 Oz | 18-in-1 Uses: Body Wash & Hand Soap for Men and Women, Shampoo, Face, Laundry, Floors, Cars, Pets - Fair Trade & Organic Oils
10K
▲ 0.0%vs. prior month
$171.1K
latest month
12-month trend
B000HK1OOY
Dr. Bronner's Baby Unscented Pure-Castile Liquid Soap, 32 oz | Baby Wash, Hand Soap Refill, Body Wash for Sensitive Skin, Dish Soap, Fragrance Free, Organic Oils
10K
▲ 0.0%vs. prior month
$171.7K
latest month
12-month trend
B001E0T740
Dr. Bronner's Pure-Castile Magic Bar Soap - Made with Regenerative Organic Certified Oils - For Face, Body, Hair- Gentle on Sensitive Skin - Vegan Soap Bars for Men & Women - Lavender, 2 Pack, 5oz
10K
▲ 0.0%vs. prior month
$99.9K
latest month
12-month trend
B00JF2PYVE
Dr. Bronner's - Pure-Castile Bar Soap (Baby Unscented, 5 ounce, 2-pack) - Made with Organic Oils, For Face, Body, Hair, Gentle for Sensitive Skin, Babies, No Added Fragrance, Biodegradable, Vegan
10K
▲ 0.0%vs. prior month
$99.2K
latest month
12-month trend
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Best Castile Soap Brands on Amazon US — Top 2 Brand Sales Concentration (July 2026)
Dr. Bronner's is the best-performing castile soap brand in July 2026, moving 93,000 units across 9 ASINs for 91.2% of Top 10 volume. WHOLENATURALS follows with 9,000 units (8.8%).
With 2 brands splitting the Top 10 and 100.0% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $14.61 to $28.88, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Dr. Bronner's
9 ASINs in Top 10
91.2%
Units
93K
Revenue
$1.4M
Avg. price
$14.61
B00028EYJ8
$17.17·★4.8·71.2K revsDr. Bronner's Peppermint Pure-Castile Liquid Soap, Hand Soap, 32 oz | 18-in-1 Uses: Body Wash & Hand Soap for Men and Women, Shampoo, Face, Laundry, Floors, Cars, Pets - Fair Trade & Organic Oils
Units sold20KB000HJZS10
$9.99·★4.8·71.2K revsDr. Bronner's Peppermint Pure-Castile Liquid Soap, Body Wash, 8 oz | 18-in-1 Uses: Body Wash & Hand Soap, Shampoo, Face, Laundry, Floors, Car, Pets & More, Fair Trade & Organic Oils, Travel Size
Units sold10KB000HK1ON0
$17.17·★4.7·29.4K revsDr. Bronner's Pure-Castile Liquid Soap, Made with Organic Oils, 18-in-1 Uses: Face, Body, Hair, Laundry, Pets and Dishes, Concentrated, Vegan, Non-GMO, Lavender, 32 Oz | 18-in-1 Uses: Body Wash & Hand Soap for Men and Women, Shampoo, Face, Laundry, Floors, Cars, Pets - Fair Trade & Organic Oils
Units sold10KB000HK1OOY
$17.17·★4.7·40.6K revsDr. Bronner's Baby Unscented Pure-Castile Liquid Soap, 32 oz | Baby Wash, Hand Soap Refill, Body Wash for Sensitive Skin, Dish Soap, Fragrance Free, Organic Oils
Units sold10KB001E0T740
$9.99·★4.8·6.2K revsDr. Bronner's Pure-Castile Magic Bar Soap - Made with Regenerative Organic Certified Oils - For Face, Body, Hair- Gentle on Sensitive Skin - Vegan Soap Bars for Men & Women - Lavender, 2 Pack, 5oz
Units sold10KB00JF2PYVE
$9.99·★4.8·7K revsDr. Bronner's - Pure-Castile Bar Soap (Baby Unscented, 5 ounce, 2-pack) - Made with Organic Oils, For Face, Body, Hair, Gentle for Sensitive Skin, Babies, No Added Fragrance, Biodegradable, Vegan
Units sold10KB000HJXQ9G
$9.99·★4.7·40.6K revsDr. Bronner's Baby Unscented Pure-Castile Liquid Soap, No Fragrance, 8 oz | Body Wash, Gentle on Sensitive Skin, 18-in-1 Uses: Hands, Face, Hair, Laundry, Pets & More - Fair Trade & Organic Ingredients
Units sold9KB001ET77YI
$29.99·★4.8·71.2K revsDr. Bronner's Peppermint Pure-Castile Liquid Soap, Body Wash, 32 oz, 2-Pack | 18-in-1 Uses: Body Wash & Hand Soap for Men and Women - Shampoo, Face, Laundry, Floors, Cars, Pets - Natural & Organic Oils
Units sold7KB00JF2O4IS
$9.99·★4.8·7.1K revsDr. Bronner's Pure-Castile Magic Bar Soaps (Peppermint, 5oz, 2-Pack) – Made with Regenerative Organic Certified Oils, Soap Bars for Men & Women, Gentle for Face & Body, Vegan, Non-GMO
Units sold7K
WHOLENATURALS
1 ASIN in Top 10
8.8%
Units
9K
Revenue
$251.1K
Avg. price
$28.88
B08Y9691J6
$28.88·★4.7·12K revsWHOLENATURALS Pure Castile Soap Liquid, EWG Verified & Certified Palm Oil Free Unscented, Natural, Mild & Gentle Non-gmo & Vegan - Organic Body Wash, Laundry, Pet/Dog and Baby Soap - 64 Fl Oz
Units sold9K
Trending Castile Soap 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, one ASIN forced its way in: B001ET77YI booked 7K units at $29.99, with ▲ 40.0% MoM change. On the growth side, B074T2N24P leads positive momentum with ▲ 400.0% MoM growth on 1K units, with B0CZDNFP5K close behind at ▲ 300.0% MoM on 4K 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.
B001ET77YI
Dr. Bronner's Peppermint Pure-Castile Liquid Soap, Body Wash, 32 oz, 2-Pack | 18-in-1 Uses: Body Wash & Hand Soap for Men and Women - Shampoo, Face, Laundry, Floors, Cars, Pets - Natural & Organic Oils
Price
$29.99
Rating
4.8
Reviews
71.2K
Latest month sales
B074T2N24P
Dr. Bronner's Dr. Bronner Hemp Peppermint Pure Castile Oil Made with Organic Oils Certified - 25 Oz, 1count
Price
$16.94
Rating
4.8
Reviews
71.2K
Latest month sales
B0CZDNFP5K
Yoken Pure Castile Liquid Soap 33.8 Oz Unscent add Organic Oil EWG Verified | No Fragrance Vegan Natural Laundry Dishes Mild Sensitive Skin Travel Camp Soaps Body Bath Hand Wash Free 1000 ML
Unlock to view ASIN details and product titles
Price
$14.99
Rating
4.6
Reviews
3.9K
Latest month sales
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