Product Highlights
-
BREAKTHROUGH PERIOD CARE SOLUTION: Inspired by trending styles in Korea, this unique combination of overnight pads and period underwear delivers ultimate protection and comfort during your "red days".
-
CERTIFIED 100% ORGANIC COTTON SURFACE: Made from non-GMO cotton fibers certified by OCS, naturally grown without harsh chemicals, pesticides, or synthetics.
-
MAXIMUM ABSORBENCY & COVERAGE: The integrated 4-layer core instantly neutralizes odors and holds the equivalent of 4 regular pads, keeping you dry and leak-free all night long (up to 12 hours).
-
SNUG, SECURE FIT: Feels as soft as regular underwear but equipped with 360° leak protection, hugging your body curves for comfort in every movement.
-
OPTIMAL SUPPORT FOR HEAVY DAYS: The perfect choice for nighttime use, heavy flow days, teens with irregular cycles, and ideal for postpartum lochia absorption.
Detailed Description
-
44.7cm extra-long leak-proof core wraps around the entire hip and lower back area, providing complete protection all night long.
-
Double-stitched protective barriers combined with fitted elastic edges and dual leak-proof channels create a solid defense layer.
-
Ergonomic design embraces your silhouette, keeping you comfortable and sleeping soundly in any position. The product is finished with a 100% organic cotton cover and proudly holds the dermatological safety certification Dermatest Excellent (Germany).
How to Use
-
When opening the product, the waistband with the red print is the front.
-
Pull on from the bottom up just like regular underwear. (Note: Do not wear with any other underwear; use this product alone).
-
After use, roll the product tightly from bottom to top.
-
Pull the straps on both sides of the waistband and tie securely for neat, hygienic disposal.
-
Throw in the trash — never flush down the toilet.
Safe & Transparent Ingredient Chart
-
100% Organic Cotton Cover: Soft and extremely gentle on the skin.
-
Breathable Film: Ensures airflow circulation, maintaining long-lasting dryness.
-
SAP-FREE (Super Absorbent Polymer) Absorbent Core: Completely free of microplastics, extremely skin-friendly and safe.
-
Dermatest Excellent Certification.
In-Depth Feature Analysis
1. FIT: Comfortable body-hugging shape
A design that highlights your natural curves.
From the moment you lie down to when you wake up, INERTIA Period Underwear moves smoothly with every motion, bringing all-night relaxation. The slim piped waistband comes in 3 sizes to ensure a perfect fit without leaving marks or pressure on the skin. Along with that, the high-waisted design gently embraces the lower abdomen, offering a secure and cozy feeling.
-
SAP-free, plastic-free absorbent core.
-
Exclusive patent from a female R&D team.
-
Inspired by medical hemostatic technology.
-
Extremely gentle, pampering even the most sensitive skin.
2. ABSORBENCY: 360° Leak-Lock Protection
No leaks. No pooling. No waking up in the middle of the night.
Equipped with a 360° leak-proof system protecting from every angle — even when you toss and turn constantly. The 44.7cm extra-long core covers the hips and back completely, combined with side guard channels to create the firmest defense.
-
44.7cm Extra-Long Core: Comprehensive coverage for back and hips.
-
360° Absorbency System: Prevents leaks from all directions.
-
Side Guards: Prevent side leakage even during active movement.
-
SAP-Free, Plastic-Free Core: Absolutely safe for intimate health.
3. ORGANIC: 100% Cotton Surface
Soft, gentle, and breathable.
The top layer directly touching your skin is woven from 100% pure cotton — bringing softness without irritation. Although thin and lightweight, its absorbency is exceptional; the cotton works together with a breathable film to circulate air, keeping the intimate area fresh all night long.
-
100% Cotton skin-contact layer.
-
Soothing softness that completely eliminates itching.
-
Thin and lightweight yet highly absorbent.
-
Breathable film maintains long-lasting freshness.
4. CLINICAL TESTING: Dermatologist Recommended
Your skin deserves protection backed by real evidence, not empty promises.
Our products have passed rigorous dermatological tests and earned an "Excellent" rating from Dermatest® — one of the world's most prestigious dermatological safety laboratories in Germany. We strictly test for irritation, allergens, and daily safety.
-
"Excellent" rating by Dermatest® Germany Dermatological Institute.by Dermatest® Germany Dermatological Institute.
-
Completed patch tests for allergies.
-
Completely suitable for daily use.
-
Safe for sensitive and intimate skin.
-
Tested in practice on women's bodies, not just based on machine data.
