Rinse the disc using running water.

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

Boil the water in the pot.

Put the menstrual disc in the boiling water and watch the disc 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 disc stay in the freshly boiled water for 2–5 minutes more.

Scoop the disc out of the water.

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

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