Hair Cap Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Hair Cap sales on Amazon US totaled 264,000 units in July 2026 (▲ 2.0% vs. the prior month), generating an estimated $2,732,530 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 37.1% of unit volume and 37.7% of revenue, while a typical listing is priced at $10.66. The keyword itself pulled 13,152 Amazon queries over the same period (▼ 27.8% MoM).
Zooming out to the 12-month window ending July 2026, the hair cap Top 50 moved 3,168,750 units and $32,159,890 in cumulative sales — an average of 264,063 units and $2,679,991 per month. Monthly throughput topped out at 312,400 units in December 2025 and dipped to 146,700 in May 2026, leaving the latest reading 4.8% higher than August 2025.
Hair Cap 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
264K
▲ 2.0% MoM
Monthly Revenue 2026/07
$2.7M
▲ 1.4% MoM
Top 10 Market Share 2026/07
37.1%
Hair Cap Market Share & Sales Concentration on Amazon US — July 2026
The most-sold hair cap listing on Amazon US in July 2026 is ASIN B0BLXZ4YBJ (Brand: YANIBEST), which sold 20,000 units at $12.99 apiece — equal to 7.6% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 98,000 units and $1,029,020 in July 2026 — 37.1% of unit volume and 37.7% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Hair Cap' on Amazon
July 2026









Is 37.1% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown

B0BLXZ4YBJ
YANIBEST Adjustable Silk Bonnet for Sleeping Women Double Layer Satin Bonnet Reduce Friction Prevent Frizz Curly Hair
20K
▲ 0.0%vs. prior month
$236.6K
latest month
12-month trend

B0BLYFFMSV
YANIBEST Adjustable Silk Bonnet for Sleeping Women Double Layer Satin Bonnet Reduce Friction Prevent Frizz Curly Hair
10K
▲ 0.0%vs. prior month
$118.3K
latest month
12-month trend

B0BJQW1CMR
Edoneery Shower Caps for Women Reusable Waterproof, Shower Hair Cap | Washable Bonnet, Wide Elastic Band, Large Fit, Holds Long Hair, Braids Friendly, Bath Accessories, Spa, Travel
10K
▲ 0.0%vs. prior month
$77.2K
latest month
12-month trend

B0CYQ22VQ5
YANIBEST Soft Satin Bonnet for Men Women, Sleep Cap to Maintain Moisture | Unisex Double Layer, Bonnet for Sleeping, Protect Hair, Natural Wave, Curly Coily, Reduce Frizz, Adjustable Sleep Hat
10K
▲ 0.0%vs. prior month
$133.4K
latest month
12-month trend

B0DMSDC5MM
Satin Silk Bonnet for Hair, Double Layer Sleep Cap for Men & Women | Satin Bonnet for Sleeping, Soft Satin Lined Bonnet for Natural & Curly & Long Hair, Silk Sleep Cap for Men & Women
9K
▲ 80.0%vs. prior month
$85.9K
latest month
12-month trend

B09MCM2Z5S
YANIBEST Adjustable Satin Bonnet Double Layer Hair Bonnet for Sleeping Bonnets for Women Hats Curly Natural Hair, Blush Pink
8K
▼ 11.1%vs. prior month
$111.9K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Hair Cap Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
YANIBEST is the best-performing hair cap brand in July 2026, moving 48,000 units across 4 ASINs for 49.0% of Top 10 volume. Edoneery follows with 10,000 units (10.2%), ahead of Doitory on 9,000 units (9.2%).
With 7 brands splitting the Top 10 and 68.4% 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 $7.99 to $13.49, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
YANIBEST
4 ASINs in Top 10
49.0%
Units
48K
Revenue
$600.2K
Avg. price
$13.49

B0BLXZ4YBJ
$12.99·★4.4·29.2K revsYANIBEST Adjustable Silk Bonnet for Sleeping Women Double Layer Satin Bonnet Reduce Friction Prevent Frizz Curly Hair
Units sold20K
B0BLYFFMSV
$12.99·★4.4·29.1K revsYANIBEST Adjustable Silk Bonnet for Sleeping Women Double Layer Satin Bonnet Reduce Friction Prevent Frizz Curly Hair
Units sold10K
B0CYQ22VQ5
$13.99·★4.5·4.3K revsYANIBEST Soft Satin Bonnet for Men Women, Sleep Cap to Maintain Moisture | Unisex Double Layer, Bonnet for Sleeping, Protect Hair, Natural Wave, Curly Coily, Reduce Frizz, Adjustable Sleep Hat
Units sold10K
B09MCM2Z5S
$13.99·★4.4·16.5K revsYANIBEST Adjustable Satin Bonnet Double Layer Hair Bonnet for Sleeping Bonnets for Women Hats Curly Natural Hair, Blush Pink
Units sold8K
Edoneery
1 ASIN in Top 10
10.2%
Units
10K
Revenue
$77.2K
Avg. price
$7.99

B0BJQW1CMR
$7.99·★4.5·9K revsEdoneery Shower Caps for Women Reusable Waterproof, Shower Hair Cap | Washable Bonnet, Wide Elastic Band, Large Fit, Holds Long Hair, Braids Friendly, Bath Accessories, Spa, Travel
Units sold10K
Doitory
1 ASIN in Top 10
9.2%
Units
9K
Revenue
$85.9K
Avg. price
$9.99

B0DMSDC5MM
$9.99·★4.4·2.5K revsSatin Silk Bonnet for Hair, Double Layer Sleep Cap for Men & Women | Satin Bonnet for Sleeping, Soft Satin Lined Bonnet for Natural & Curly & Long Hair, Silk Sleep Cap for Men & Women
Units sold9K
Trending Hair Cap 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: B0DMSDC5MM booked 9K units at $9.99, with ▲ 80.0% 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.

B0DMSDC5MM
Satin Silk Bonnet for Hair, Double Layer Sleep Cap for Men & Women | Satin Bonnet for Sleeping, Soft Satin Lined Bonnet for Natural & Curly & Long Hair, Silk Sleep Cap for Men & Women
Price
$9.99
Rating
4.4
Reviews
2.5K
Latest month sales

B0DZ6851DP
3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner
Price
$14.99
Rating
4.4
Reviews
950
Latest month sales

B089B19NSD
Shower Cap, 3 Pcs Waterproof Reusable Shower Caps Bath Hair Hat | for Women Men Kids, for Shower, Makeup, Hair Care, Cooking and Cleaning
Unlock to view ASIN details and product titles
Price
$4.99
Rating
4.3
Reviews
21K
Latest month sales
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