My menstrual cup is stained, is this normal?
Peroxide from any drug store is safe to use directly on a cup. However, it’s not necessary to use it directly. A mix of peroxide and water will be sufficient for an over night soak for a stained cup. The ratio doesn’t have to be measured just as long as you have some peroxide in the mix. Peroxide will turn into water in a short time if left exposed, so over night will be plenty of time for it to work it’s magic.
I personally like to dilute my peroxide with some water because it saves me some money 🙂
Red Herring edited answer August 1, 2016
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