This is whats happens to your body when you put alcohol soaked cotton ball in your navel - YouTube
A Cotton Swab Soaked In Alcohol and Placed In Your Navel Provides Relief from Menstrual Cramps, Pain, Coughs and Colds - Zeptha
World's Largest Navel Lint Collection lands Australian librarian Guinness World Record – New York Daily News
The curious truth about belly button fluff - BBC Future
Lint (material) - Wikipedia
This scientist solved the mystery of belly button lint - Vox
Science Unlocks The Mystery Of Belly Button Lint - Slashdot
What Is Belly Button Lint, and How Do You Get Rid of It? | Allure
Infected Belly Button Piercing: How to Identify and Treat an Infection
They have been using it for a long time/ Ideal for this season, why should you put an alcohol cotton ball on your belly button, you won't believe the diseases it prevents
Is It OK to Clean Your Belly Button? - How to Clean Your Belly Button to Avoid Infection
This scientist solved the mystery of belly button lint - Vox