Sleep without worry —discover how Shanhao Undies delivers leak-proof, breathable protection for heavy-flow nights.
The Best Solution for Heavy Flow Nights
Struggling with heavy flow nights? You’re not alone. Traditional pads and tampons often can’t keep up. Shanhao Undies leak-proof period underwear keeps you dry and comfortable—so you can wake up confident.
Why Period Underwear Works Best for Overnight
- 8–10 hours of protection: Advanced multi-layer absorbent technology locks in moisture.
- Full-coverage gusset: Front-to-back leak guard for any sleeping position.
- Breathable, quick-dry fabric: Stays cool and irritation-free all night.
- Reusable & eco-friendly: Machine-washable durability that reduces waste and costs.
What Makes the Best Period Underwear for Night?
- High Absorbency: Holds the equivalent of 4–6 tampons for heavy flow.
- Full Coverage Design: Extended protection from front to back.
- Soft & Breathable: Quick-dry layers for cool, dry comfort.
- Certified Materials: Skin-safe fabrics for daily confidence.
Why Women Worldwide Trust Shanhao Undies
With over a decade of innovation in functional menstrual apparel, Shanhao Undies blends comfort, technology, and sustainability. Our multi-layer protection system ensures reliable, leak-proof performance—even on the heaviest nights. We also provide OEM/ODM services for brands and retailers, from period underwear and swimwear to maternity and shapewear.
💧 Ready to sleep without worry?
Explore the Period Panties CollectionFAQ: Overnight Period Underwear
How many hours can I wear overnight period panties?
Shanhao Undies are designed for 8–10 hours of overnight protection, depending on your flow.
Can I wear them without pads or tampons?
Yes—our leak-proof period underwear is engineered to be worn alone for heavy flow nights. You can layer with a cup or tampon if you prefer.
How do I wash reusable menstrual underwear?
Rinse in cold water after use, then machine-wash cold and hang dry. Avoid fabric softeners and bleach to protect absorbency.