It's only 2 reported cases so far, and so many people using it, so it's probably not a big concern.
I have heard several people say that their moles or scars have changed or disappeared completely though, so it seems perhaps 'something' is happening.
Cherie
As you've pointed out, Ewizabeth, I think those with skin cancer in their family would be wise to be checked out first.
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I am not a Neurologist, Physician, Nurse, or Hairdresser ... but I have learned that it is not such a great idea to give oneself a haircut after three margaritas
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