FAQ

Is SIREN Periodwear sustainable?

Yes - SIREN is crafted with certified, planet-friendly materials and ethical production.
✔ OEKO-TEX® certified fabrics – free from harmful substances.
✔ FDA-approved textiles – safe for skin contact.
✔ GRS-compliant sourcing – supporting responsible and sustainable manufacturing.

How do I wash my SIREN?

Rinse in cold water after use, then machine-wash on a gentle cold cycle (no bleach or fabric softener).
Air dry flat - treat them like your favourite lingerie for long-lasting performance.

How long can I wear SIREN?

Up to 10+ hours of leakproof protection, depending on your flow.
SIREN’s absorbent technology keeps you feeling dry, fresh and confident all day or night.

What makes SIREN different from other period underwear brands?

SIREN redefines periodwear - high-end design meets high performance.
Our underwear looks and feels like real lingerie, not nappies. They're sculpting, made with premium fabrics and 10+ hours of leakproof protection - all backed by our 60-Day Leakproof Guarantee.

How does SIREN Periodwear work?

SIREN uses a 4-layer absorbent system that wicks moisture, locks in leaks, and keeps you dry and comfortable.
Extra-thin leakproof linings in the gusset give you protection exactly where you need it without bulk.

Where do you ship?

We ship Australia-wide 🇦🇺
✔ Free standard shipping on orders over $100

What is your return policy?

Every pair is backed by our 60-Day Leakproof Guarantee.
If you’re not in love with your SIREN Periodwear, email us at admin@sirenperiodwear.com