Rinse the cup using running water.

Fill a clean pot with clean water until the water height surpasses the height of the cup.

Boil the water in the pot.

Put the menstrual cup in the boiling water and watch the cup as it sterilizes, making sure that it doesn’t keep touching the pan itself

Let the water boil for 1–3 minutes before turning off the stove.

Let the cup stay in the freshly boiled water for 2–5 minutes more.

Scoop the cup out of the water.

Let the cup cool before inserting or let it dry before storing.

If you are sterilizing and using your R/cup for the first time, sterilize the cup for at least 15-20 minutes.