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fromcstocs

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December 28, 2018 at 8:36 pm in reply to: Can this ingredient list be correct? - Vitamin C serum

Thanks a lot!
fromcstocs

Member
December 28, 2018 at 6:21 pm in reply to: Can this ingredient list be correct? - Vitamin C serum

Thanks a lot for the answer. You are right, the Carbomer is also puzzling in a low pH formula. The lack of a base is also strange as 23% vitamin C is very acidic. Good to know that a more experienced formulator also finds these puzzling.