Pantiliners and sanitary napkins can cause allergic femiinine irritations, as well as contribute to infections. The harsh chemicals used in the bleaching process of most leading brands can lead to skin irritations, among other things. In addition, the woven fabrics used in many brands can add to the issue. MerryLiving natural sanitary napkins are non-woven and chlorine free, as well as infused with 5 herbal plant essences. They don't contain any harmful chemicals and the fabric feels soft next to your delicate skin. The herbal benefits include improved circulation, anti-inflammation, antibacterial, antiviral, among others.
If they are worn too long, they can probably get kind of bacterial. Whether that is enough to cause an infection is another question. They can cause irritation, even when brand clean and new.