Period Underwear For Women Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Period Underwear For Women sales on Amazon US totaled 160,000 units in July 2026 (▼ 7.1% vs. the prior month), generating an estimated $3,256,424 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 71.3% of unit volume and 69.9% of revenue, while a typical listing is priced at $21.52. The keyword itself pulled 478,110 Amazon queries over the same period (▼ 6.5% MoM).
Zooming out to the 12-month window ending July 2026, the period underwear for women Top 50 moved 1,527,250 units and $30,446,868 in cumulative sales — an average of 127,271 units and $2,537,239 per month. Monthly throughput topped out at 171,800 units in June 2026 and dipped to 78,900 in May 2026, leaving the latest reading 52.7% higher than August 2025.
Period Underwear For Women 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
160K
▼ 7.1% MoM
Monthly Revenue 2026/07
$3.3M
▼ 5.4% MoM
Top 10 Market Share 2026/07
71.3%
Period Underwear For Women Market Share & Sales Concentration on Amazon US — July 2026
The most-sold period underwear for women listing on Amazon US in July 2026 is ASIN B00KXUW72G (Brand: Always Discreet), which sold 30,000 units at $19.39 apiece — equal to 18.8% of every unit tracked in this report and 1.5× the volume of the No. 2 listing.
The Top 10 ASINs account for 114,000 units and $2,276,270 in July 2026 — 71.3% of unit volume and 69.9% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Period Underwear For Women' on Amazon
July 2026
Is 71.3% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B00KXUW72G
Always Discreet Adult Diapers for Women, Incontinence Underwear, Postpartum Essentials, Disposable Briefs, Max Absorbency, Bladder Leak Protection, Small/Medium, 32ct
30K
▲ 0.0%vs. prior month
$582.6K
latest month
12-month trend
B0792P353P
Depend Fresh Protection Adult Diapers for Women, Medium, 30 Count
20K
▲ 0.0%vs. prior month
$429.6K
latest month
12-month trend
B08VCP6QLD
Always ZZZ Overnight Disposable Period Underwear for Women Small/Medium, 360° Coverage for Worry-Free Nights, 14 Count (2 Packs of 7)
10K
▲ 0.0%vs. prior month
$159.8K
latest month
12-month trend
B0B834SHYC
Rael Disposable Period Underwear, Organic Cotton Cover (Size S-M, 20 Ct) | Leak Locker, Unscented, Extended Coverage for Women, Period Essentials, Postpartum Essentials, Feminine Care
10K
▲ 0.0%vs. prior month
$269.9K
latest month
12-month trend
B0B836FZFB
Rael Rael Disposable Period Underwear, Organic Cotton Cover (Size L-XL, 20 Ct) | Leak Locker, Unscented, Extended Coverage for Women, Period Essentials, Postpartum Essentials, Feminine Care
9K
▼ 10.0%vs. prior month
$250.2K
latest month
12-month trend
B08VCJS1MX
Always Always ZZZ Overnight Disposable Period Underwear for Women, Large, 360° Coverage for Worry-Free Nights, 14 Count (2 Packs of 7)
9K
▲ 0.0%vs. prior month
$143.8K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Period Underwear For Women Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Always Discreet is the best-performing period underwear for women brand in July 2026, moving 30,000 units across 1 ASIN for 26.3% of Top 10 volume. Always follows with 27,000 units (23.7%), ahead of Rael on 26,000 units (22.8%).
With 6 brands splitting the Top 10 and 72.8% 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 $15.97 to $24.72, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Always Discreet
1 ASIN in Top 10
26.3%
Units
30K
Revenue
$582.6K
Avg. price
$19.39
B00KXUW72G
$19.39·★4.4·43.2K revsAlways Discreet Adult Diapers for Women, Incontinence Underwear, Postpartum Essentials, Disposable Briefs, Max Absorbency, Bladder Leak Protection, Small/Medium, 32ct
Units sold30K
Always
3 ASINs in Top 10
23.7%
Units
27K
Revenue
$431.1K
Avg. price
$15.97
B08VCP6QLD
$15.98·★4.5·8.5K revsAlways ZZZ Overnight Disposable Period Underwear for Women Small/Medium, 360° Coverage for Worry-Free Nights, 14 Count (2 Packs of 7)
Units sold10KB08VCJS1MX
$15.98·★4.5·8.5K revsAlways Always ZZZ Overnight Disposable Period Underwear for Women, Large, 360° Coverage for Worry-Free Nights, 14 Count (2 Packs of 7)
Units sold9KB0CSTCH3WZ
$15.94·★4.5·8.5K revsAlways Always ZZZ Overnight Disposable Period Underwear for Women Extra Large/2LX, 360° Coverage for Worry-Free Nights, 14 Count (2 Packs of 7)
Units sold8K
Rael
3 ASINs in Top 10
22.8%
Units
26K
Revenue
$654.4K
Avg. price
$24.72
B0B834SHYC
$26.99·★4.7·5.9K revsRael Disposable Period Underwear, Organic Cotton Cover (Size S-M, 20 Ct) | Leak Locker, Unscented, Extended Coverage for Women, Period Essentials, Postpartum Essentials, Feminine Care
Units sold10KB0B836FZFB
$27.99·★4.7·5.9K revsRael Rael Disposable Period Underwear, Organic Cotton Cover (Size L-XL, 20 Ct) | Leak Locker, Unscented, Extended Coverage for Women, Period Essentials, Postpartum Essentials, Feminine Care
Units sold9KB091JGY2YP
$19.18·★4.7·5.9K revsRael Disposable Period Underwear, Organic Cotton Cover (Size S-M, 12 Ct) | Leak Locker, Unscented, Extended Coverage for Women, Period Essentials, Postpartum Essentials, Feminine Care
Units sold7K
Trending Period Underwear For Women 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: B07RKKY9LC booked 6K units at $14.99, with ▲ 0.0% MoM change. On the growth side, B0CP8PRYGB leads positive momentum with ▲ 100.0% MoM growth on 2K units, with B0D1R3CKKF close behind at ▲ 100.0% MoM on 2K 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.
B07RKKY9LC
INNERSY Womens Underwear Cotton Hipster Panties Regular & Plus Size 6-Pack
Price
$14.99
Rating
4.5
Reviews
49.2K
Latest month sales
B0CP8PRYGB
Always Discreet Boutique Incontinence and Postpartum Underwear for Women, Maximum Protection, Large, Black, 18 Count
Price
$21.47
Rating
4.5
Reviews
28.8K
Latest month sales
B0D1R3CKKF
YESWEL Period Underwear For Women Leakproof Hipster Brief Heavy Flow 3 Pack
Unlock to view ASIN details and product titles
Price
$17.99
Rating
4.2
Reviews
1.7K
Latest month sales
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