None. Don’t use them. They are a scam. They don’t remove toxins from the body. They turn “black” because the perspiration in the foot reacts with the pad. That is normal and has nothing to do with toxins.
None. Don’t use them. They are a scam. They don’t remove toxins from the body. They turn “black” because the perspiration in the foot reacts with the pad. That is normal and has nothing to do with toxins.
