Why Choose Liberty Period Underwear?
Liberty Underwear provides independently UK laboratory-tested period underwear for teens and adults, with options from light and medium flow to ultra-heavy 100ml protection. Our period pants are silver-free and formaldehyde-free, with selected materials OEKO-TEX® certified.
100ml Maximum Absorbency . Independent UK Lab Testing . Silver & Formaldehyde Free
Shop by Need
Find the right reusable protection for your flow, stage or activity
Teen Period Pants
Comfortable pants, kits, sleep packs and swimwear for school and first periods.
Medium & Lighter Flow
Up to 25ml protection for work, school, exercise and everyday wear.
Period Swimwear
Reusable bikini bottoms and swimsuits for swimming without disposable period products.
Women’s Bladder Leaks
Soft, reusable women’s continence underwear with protection up to 100ml.
Heavy & Very Heavy Flow
35–100ml protection for heavy periods, very heavy days and secure overnight wear.
Men’s Bladder Leaks
Discreet, reusable men’s continence underwear with protection up to 100ml.
INDEPENDENT UK LABORATORY TESTING
We tested the fabrics.
Here’s what the laboratory found:
Shirley Technologies Limited tested Liberty’s outer pant fabric and inner absorbent gusset. No detectable silver or formaldehyde was found in either tested section. All irritation-screening observations were within the laboratory’s stated acceptable criteria.
Report 83780 · 3 July 2026 · Independent UK laboratory testing

No silver detected
Nothing was detected in either fabric section tested
No formaldehyde detected
Nothing was detected in either fabric section tested.
Measured pH
Outer fabric: 5.5
Inner gusset: 5.7
Results apply to the submitted garment and fabric sections described in report 83780.
★★★★★ 98% of customers gave Liberty five stars
Kelley, Jersey
No leaks with my very heavy flow
Alicia's mum, Switzerland
My daughter can finally manage swimming lessons
Helen, Jersey 65yrs
The continence pants gave me back my confidence
Get 10% off your first Liberty order
Sign up and receive your code immediately, plus practical period and product advice.
















