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Sebum production evaluation on the forehead and cheek of volunteers. The sebum production trend values at time T0 (before the application), T2w (after two weeks—acute stress), T4w (after four weeks—recovery effect). All the measurements for T2w vs. T0 and T4w vs. T0 for the FcHEx and the control were statistically significant. The asterisks indicate statistically significant values (* p-value was between 0.01 and 0.05).
