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FAQs
GENERAL
Is Advance+ Vitamin C an ester?
Is Advance+ Vitamin C an ester?
The Advance+ Vitamin C is not an ester.
I have been told that all Vitamin C products must have a pH below 3.5 to penetrate into the skin. Do the iS Clinical Vitamin C Advance+ products follow this rule?
Is it possible to exfoliate the skin too much?
Is Advance+ Vitamin C an ester?
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