Do You Really Need to Wash Underwear Before Wearing It?

How often should you wash your underwear, and does it depend on the type of material they are made out of (cotton, nylon, etc.) or the color? - Quora

Tips for Washing Period Underwear

Knowledge: How Many Times You Can Wear Your Clothes Between Washes : r/lifehacks

Exactly How Often You Should Wash Your Clothes

3 Reasons Why You Should Wash Your New Clothes Before Wearing Them - Fresh & Clean Laundry

Is It Best to Wash Clothes on Cold? Here's What Experts Say

Why it is necessary to wash underwear separately – Kearo

How Many Pairs of Underwear Should You Own?

Separating Laundry – Is It Necessary?