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Antioxidants (including Vitamin C, ferulic acid, and phloretin) are among the compounds used in skincare products. The purpose of this study was to evaluate the effect of a combination containing L-ascorbic acid, ferulic acid, and phloretin. The delivery of active substances was facilitated by micro-needle mesotherapy and sonophoresis. The study was completed by 22 volunteers. The study resulted in a significant reduction of erythema and an improvement in skin hydration. According to participants, the therapy yielded visible anti-aging effects. The combination of up to three antioxidant-active ingredients and the use of transdermal application methods proved to be both safe and effective. [ABSTRACT FROM AUTHOR]