How Many Period Pants Do I Need? A Practical Guide for Every Flow
Switching to period underwear is a smart step toward comfort, sustainability, and convenience. One of the most common questions is: How many […]
Month: January 2026
What Material Options Are Available for Packaging Bags?
At Shanhao, packaging is more than protection.It’s part of the product experience. For period underwear brands, the right packaging must balance functionality, […]
Why Over 70% of Disposable Sanitary Pads Contain Plastic and Can the period underwear be entirely polyester-free?
Many disposable pads use plastic-based layers for absorbency and leak protection. Here’s why it happens, what it means for comfort and the […]
From Plastic to Fabric: How Polyester Touches Our Skin
Polyester is a plastic-based polymer. It can be processed into soft polyester fabric, but chemically it remains plastic—meaning plastic in clothing and […]