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These ingredients can do your skin a lot of good

Start by using it once daily if the skin is not used to Vitamin C, then gradually increase usage according to skin tolerance

The pH scale is logarithmic, which means a change of 1 unit represents a 10 fold change in pH
The 0.9% benzyl alcohol concentration serves as a preservative, inhibiting the growth of bacteria and other microorganisms upon entry into the vial
