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Contains ingredients with possible health concernsSTOP
Contains harmful ingredientsSLOW
flex
Period Cup
Last verified: March 4, 2026
- Medical-grade Silicone
- Non-toxic Carbon Black
Why This Product is Rated SLOW
Period Cup by flex has been evaluated by Million Marker and contains some ingredients with possible health concerns. This product is rated SLOW, indicating moderate concern.
We recommend reviewing the ingredient list carefully and considering safer alternatives when possible. SLOW-rated products may still be acceptable for occasional use.
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