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5 Essential Questions About Menstrual Panties: Insights from Elia Founder

As concerns grow over tampons and pads, menstrual panties are gaining popularity. These innovative undergarments, worn during periods instead of—or alongside—traditional protection, offer a comfortable alternative. To demystify them, we spoke with Marion G., founder of Elia, a 100% French brand crafting organic, plant-fiber menstrual lingerie (Oeko-Tex® certified) and committed to fighting endometriosis through donations with every purchase.

How do menstrual panties work?

Menstrual panties are absorbent undergarments—like briefs, shorts, thongs, or boxers—featuring multi-layer fabric zones that absorb flow and odors while staying leak-proof. They can replace tampons, pads, or cups entirely, though you can layer them for extra security if preferred. With an ultra-thin absorbent layer (typically 3mm), they mimic everyday panties, including stylish options—far from bulky diapers.

How to choose the right protection level?

Brands categorize protection by flow intensity and period phase (light for beginnings, heavy for days or nights). Check product descriptions for equivalents like "pad size." Start by testing at home on a low-key day to assess fit without worry.

When should you change them?

Match protection to your flow for all-day (or overnight) wear—up to 12 hours with Elia for hygiene reasons. Trust your comfort: change if you feel unclean, even if not saturated. Stock up based on your cycle if relying solely on them.

Are they hygienic for hours of wear?

Initial hesitation is common, but breathable, quick-drying fabrics with antimicrobial properties prevent bacterial growth—often more hygienic than overdue pads or tampons. Plus, no odors.

How to care for them?

Rinse in cold water until clear post-use, then machine wash (in a net) or hand wash at max 30°C—no softener or dryer to preserve fibers. Expect 5-7 years of life, like regular panties.

In short, menstrual panties deliver comfort, protection, sustainability, and savings long-term. We've tested them—we're convinced!