The Role of Herbal Medicine in the Treatment of Acne Vulgaris: A Systematic Review of Clinical Trials.

Evid Based Complement Alternat Med · 2022 · PMC9217581 · PMID 35754694

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did not reach statistical significanceno p-value reported

In the studies by Forest and Rafikhah and Kim et al., the difference between the two groups did not reach statistical significance, although the reduction in the number of lesions was higher in the intervention group [ 40 , 61 ].

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