Brighten, hydrate, and smooth skin with this high-strength vitamin C serum. Apply a pea-sized amount to your skin in the morning or at night after toners and water-based products. Because this product is a suspension of vitamin C powder in a water-free base, it may take a few seconds to absorb into the skin. Expect a slight tingling sensation during the first 1-2 weeks of use. If irritation occurs, this product can be diluted to reduce its strength.
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