Kirks Castile Soap Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Kirks Castile Soap sales on Amazon US totaled 113,100 units in July 2026 (▼ 4.8% vs. the prior month), generating an estimated $1,836,118 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 63.7% of unit volume and 58.1% of revenue, while a typical listing is priced at $19.04. The keyword itself pulled 23,362 Amazon queries over the same period (▼ 4.3% MoM).
Zooming out to the 12-month window ending July 2026, the kirks castile soap Top 50 moved 1,089,250 units and $18,656,421 in cumulative sales — an average of 90,771 units and $1,554,702 per month. Monthly throughput topped out at 118,850 units in June 2026 and dipped to 63,450 in May 2026, leaving the latest reading 27.6% higher than August 2025.
Kirks 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
113.1K
▼ 4.8% MoM
Monthly Revenue 2026/07
$1.8M
▼ 8.5% MoM
Top 10 Market Share 2026/07
63.7%
Kirks Castile Soap Market Share & Sales Concentration on Amazon US — July 2026
The most-sold kirks castile soap listing on Amazon US in July 2026 is ASIN B000HK1OOY (Brand: Dr. Bronner's), which sold 10,000 units at $17.17 apiece — equal to 8.8% of every unit tracked in this report.
The Top 10 ASINs account for 72,000 units and $1,066,670 in July 2026 — 63.7% of unit volume and 58.1% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Kirks Castile Soap' on Amazon
July 2026
Is 63.7% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
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
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
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
10K
▲ 0.0%vs. prior month
$171.1K
latest month
12-month trend
B08Y9691J6
WHOLENATURALS 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
9K
▲ 0.0%vs. prior month
$251.1K
latest month
12-month trend
B00JF2O4IS
Dr. 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
7K
▼ 22.2%vs. prior month
$68.5K
latest month
12-month trend
B00RLUP6M4
Kirk's Fragrance Free Castile Bar Soap (Pack of 3)
7K
▲ 250.0%vs. prior month
$54.3K
latest month
12-month trend
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Best Kirks Castile Soap Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Dr. Bronner's is the best-performing kirks castile soap brand in July 2026, moving 46,000 units across 6 ASINs for 63.9% of Top 10 volume. WHOLENATURALS follows with 9,000 units (12.5%), ahead of Kirk's on 7,000 units (9.7%).
With 5 brands splitting the Top 10 and 86.1% 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 $9.81 to $24.55, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Dr. Bronner's
6 ASINs in Top 10
63.9%
Units
46K
Revenue
$695K
Avg. price
$14.88
B000HK1OOY
$17.17·★4.7·40.7K 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 sold10KB00JF2PYVE
$9.99·★4.8·7.1K 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 sold10KB000HK1ON0
$17.17·★4.7·29.5K 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
Units sold10KB00JF2O4IS
$9.94·★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 sold7KB0CLSXQ2YG
$24.99·★4.8·3.1K revsDr. Bronner's Pure-Castile Magic Bar Soaps (5 Ounce Variety Gift Pack) Almond, Unscented, Lavender, Peppermint, Citrus, Rose - Made with Natural & Organic Certified Oils, Vegan, Non-GMO
Units sold5KB00NFVMD4W
$9.99·★4.8·3.7K revsDr. Bronner's Pure-Castile Magic Bar Soaps - Made with Regenerative Organic Certified Oils - For Face, Body, Hair- Vegan Soap Bars for Men & Women - Citrus, 2 pack, 5 oz
Units sold4K
WHOLENATURALS
1 ASIN in Top 10
12.5%
Units
9K
Revenue
$251.1K
Avg. price
$24.55
B08Y9691J6
$24.55·★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
Kirk's
1 ASIN in Top 10
9.7%
Units
7K
Revenue
$54.3K
Avg. price
$9.81
B00RLUP6M4
$9.81·★4.7·8.8K revsKirk's Fragrance Free Castile Bar Soap (Pack of 3)
Units sold7K
Trending Kirks 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, 3 ASINs forced its way in: B00RLUP6M4 booked 7K units at $9.81, with ▲ 250.0% MoM change.
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.
B00RLUP6M4
Kirk's Fragrance Free Castile Bar Soap (Pack of 3)
Price
$9.81
Rating
4.7
Reviews
8.8K
Latest month sales
B00NFVMD4W
Dr. Bronner's Pure-Castile Magic Bar Soaps - Made with Regenerative Organic Certified Oils - For Face, Body, Hair- Vegan Soap Bars for Men & Women - Citrus, 2 pack, 5 oz
Price
$9.99
Rating
4.8
Reviews
3.7K
Latest month sales
B09NC6TDNN
Dr. Natural Castile Bar Soap - Multipurpose Soap Bar with Anti-Acne Properties - for Face, Body, Hair - Sensitive Skin Body Wash - Peppermint - 2 pcs
Unlock to view ASIN details and product titles
Price
$2.98
Rating
4.4
Reviews
1K
Latest month sales
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