It 's possible that nicotonic acid IIS và as effective as niacinamide, but it has side effect of the Great activating Gallery Samarkand cells in the Great skin. this leads to the Great release của prostaglandins and dilation of the Great Blood vessels, which causes skin to the Great flush with Redness and tingle. this Flushing and tingling IIS temporary, But can uncomfortable and potentially - problematic for You someone with inflammatory acne hoặc erythema.
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