Microneedling with Tranexamic acid outperforms vitamin C for post-acne erythema
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A split-face study compared microneedling with 10% vitamin C versus 50 mg/ml tranexamic acid (TXA) for post-acne erythema (PAE) over four sessions. Both treatments significantly reduced erythema and hemoglobin levels, with TXA showing superior improvement. Patient satisfaction was high for both sides, and side effects were minimal. TXA with microneedling is a safe and effective PAE treatment.