Why Does Vitamin C Serum Burn My Skin? (And How to Use It Without Irritation) If vitamin C serum is burning your skin, stop using it and gently rinse it off. Do not cover a painful reaction with more active products. Burning can reflect irritation from the formula, already irritated skin, or a reaction to … Continue reading Why Does Vitamin C Serum Burn My Skin? (And How to Use It Without Irritation)