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Selecting a vitamin C serum for your face can be a beneficial addition to your skincare routine. Here are some factors to consider when choosing a vitamin C serum: Concentration of vitamin C: Look for serums that contain a concentration of vitamin C between 10% and 20%. Higher concentrations may be too strong for some skin types and can cause irritation. Form of vitamin C: There are various forms of vitamin C used in skincare products, such as L-ascorbic acid, ascorbyl palmitate, and sodium asco

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