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Effect of polyphenols on the growth of HaCaT cells. (A) After HaCaT cells were treated with 10 μM of polyphenols, cell proliferation was monitored using the Cell Counting Kit-8. (B) The proliferation index on the 3rd day was determined. Statistical significance was determined using a two-sided Student’s t-test. Statistical significance was defined as P < 0.05 (*P < 0.05).
