Period Underwear for Women
PassPeriod Underwear for Women scores 65 out of 100, a Pass. Shoppers spend an estimated $2.5M a year here, search demand grew +6.6% this quarter, and an estimated 3.0% of orders come back.
- Flapen Score
- 65 / 100Top 2% of 16,930 Clothing, Shoes & Jewelry niches · +20 vs the category median of 4565
- Market size
- $2.5M/yr8.2M searches / yr
- 90-day growth
- +6.6%search demand this quarter
- Competition
- 26%top-5 click share · 28 brands · 54 sellers
Flapen Score
Period Underwear for Women against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Period Underwear for Women is stronger. Inside it, weaker.
Market
The Period Underwear for Women market on Amazon at a glance
Shoppers on Amazon United States searched for Period Underwear for Women 8.2M times last year and spent an estimated $2.5M. The top 5 brands take 60% of clicks. Flapen scores it 65 out of 100, a Pass.
01 · Demand
An estimated 1.4% of those searches ended in a purchase.
Shoppers searched for this 8.2M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.4% of those searches ended in a purchase. Searches in the last 90 days moved +6.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $2.5M a year.
- Searches, last 12 months
- 8.2M
- Growth, 90 days vs prior 90
- +6.6%
- Conversion, latest week
- 1.4%
- Market size, estimated
- $2.5Ma year
- Peak month
- July1.4× the quietest month
- Top search term
- period underwear for women3.9M searches a year
02 · Price
A sale here is worth $22.83.
Listings sell for $22.83 on average, from $9.08 to $54.90. Amazon reports units sold in ranges. This niche sold 125K to 150K a year. The average listing sells 1,500 to 2,000 of them. At $22.83 that is $34K to $46K a year per listing.
- Average price
- $22.83inside the $15 to $100 sweet spot
- Price range
- $9.08–$54.90
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 125K–150K
- Units per listing a year
- 1,500–2,000
- Revenue per listing a year
- $34K–$46K
- Returns
- 3.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #117 within Lingerie. It carries 4,614 reviews at 4.27 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #117in Lingerie
- Average rating
- 4.27 starsAmazon United States average 4.42 stars
- Average reviews
- 4,614per listing
- Listings tracked
- 83
04 · Newcomers
6 of last year's 11 launches cleared the first-year sales bar.
11 products launched here in the last 12 months. 6 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 48 months on average, so the names here are settling in.
- Launched, last 12 months
- 11
- Successful launches
- 6Amazon's first-year sales bar
- Average brand age
- 48 months
Products
Top Period Underwear for Women products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 13, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
TIICHOO Period Underwear for Women Heavy Flow Soft Menstrual Panties Teens Ladies Leakproof Incontinence 5 Pack (1 Black/1 Light Grey/1 Burgundy/1 Rose Gold/1 Turquoise Green Large)
- Price
- $37.59
- Rating
- 4.4/5
- Reviews
- 1,006
- Age
- 2y ago

INNERSY Period Underwear for Women High Waisted Leak-Proof Postpartum Menstrual Panties 3-Pack (Dark Vintage Large)
- Price
- $22.82
- Rating
- 4.2/5
- Reviews
- 10,005
- Age
- 7y ago

Bambody Absorbent Period Panties - Bamboo Rayon - Period Underwear for Women and Teens - All-Day Long - Overnight Protection- Leakproof - Large - 3 Pack: Black
- Price
- $34.08
- Rating
- 4.4/5
- Reviews
- 12,173
- Age
- 3y ago

Bambody Absorbent Period Panties - Bamboo Rayon - Period Underwear for Women and Teens - All-Day Long - Overnight Protection Leakproof - Medium 3 Pack Black
- Price
- $35.10
- Rating
- 4.4/5
- Reviews
- 12,173
- Age
- 3y ago

YESWEL Period Underwear For Women Leak-Proof Hipster Brief Heavy Flow 3 Pack (Medium Black)
- Price
- $17.52
- Rating
- 4.4/5
- Reviews
- 1,583
- Age
- 2y ago
Trending
estimated 90-day click momentum
saalt Comfort Modal Brief Period Underwear - Heavy Absorbency - Replaces 3 Pads or 4 Tampons (Medium Volcanic Black)
- Price
- $33.50
- Rating
- 4.7/5
- Reviews
- 143
- Age
- 2y ago

RFOGJV Period Underwear for Women Teens Leak-Proof Menstrual Cotton Protective Hipster Panties 3 Pack Black M
- Price
- $24.83
- Rating
- 4.4/5
- Reviews
- 375
- Age
- 5mo ago

ALLBASE Womens High Absorbency Period Underwear - Leak-Proof & Reusable Menstrual Pants for Heavy Flow Days - 3 Pack Black Medium
- Price
- $29.70
- Rating
- 4.2/5
- Reviews
- 194
- Age
- 1y ago

Hanes Womens Comfort Period. Bikini Period Underwear Super Leaks Post-Partum & Period Underwear 3-Pack
- Price
- $15.91
- Rating
- 4.1/5
- Reviews
- 6,272
- Age
- 1y ago

ALLBASE Womens Leakproof Period Underwear Heavy Flow Washable Postpartum Protection Panties High Absorbency Cotton High Waist Menstrual Briefs Multicolor(3 Pack Regular & Plus Size)
- Price
- $29.37
- Rating
- 4.2/5
- Reviews
- 329
- Age
- 11mo ago
Newest
by launch date
RFOGJV Period Underwear for Women Teens Leak-Proof Menstrual Cotton Protective Hipster Panties 3 Pack Black M
- Price
- $24.83
- Rating
- 4.4/5
- Reviews
- 375
- Age
- 5mo ago

ALLBASE Womens Leakproof Period Underwear Heavy Flow Washable Postpartum Protection Panties High Absorbency Cotton High Waist Menstrual Briefs Multicolor(3 Pack Regular & Plus Size)
- Price
- $29.37
- Rating
- 4.2/5
- Reviews
- 329
- Age
- 11mo ago

ALLBASE Womens High Absorbency Period Underwear - Leak-Proof & Reusable Menstrual Pants for Heavy Flow Days - 3 Pack Black Medium
- Price
- $29.70
- Rating
- 4.2/5
- Reviews
- 194
- Age
- 1y ago

INNERSY Period Underwear for Women Leakproof High Waisted Menstrual Cotton Panties 3 Pack(Large Midnight Iris)
- Price
- $23.79
- Rating
- 4.3/5
- Reviews
- 7,091
- Age
- 1y ago

Hanes Womens Comfort Period. Bikini Period Underwear Super Leaks Post-Partum & Period Underwear 3-Pack
- Price
- $15.91
- Rating
- 4.1/5
- Reviews
- 6,272
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 26% of clicks, no more. An open shelf where new products get seen.
Brands
28 rising
Sellers
54
Est. top-5 brand share
60%
Top 20: 96%
Est. top-5 click share
26%
Top 20: 59%
Open market
34%
- Hanes18%
- INNERSY15%
- Bambody11%
- TIICHOO10%
- TANSTC6%
- Neione6%
Demand
Period Underwear for Women search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Period Underwear for Women search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- period underwear for women3.9M/yr
- period underwear1.5M/yr
- period panties716K/yr
- period341K/yr
- knix period underwear218K/yr
- thinx period underwear281K/yr
- period panties women267K/yr
- period underwear for women heavy flow114K/yr
- womens period underwear118K/yr
- menstrual underwear for women105K/yr
Reviews and returns
What reviews say buyers love and hate about Period Underwear for Women
We read the reviews and the return reasons for every product selling here.
“Didn't fit”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Period Underwear for Women questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









