Why Does Vitamin C Tingle on Your Skin?
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4 min read
The average pH of healthy skin is between 4.7 and 5.75, which is slightly acidic. When you apply a highly concentrated vitamin C serum, particularly one with L-ascorbic acid, its low pH can clash with your skin's natural pH, triggering that familiar tingling sensation. This initial tingle is often normal, but understanding its root causes is key to differentiating a product that is 'working' from one that is irritating your skin.