Research Summary
This study presents the association of active antioxidant substances in a multifunctional cosmetic formulation with established efficacy against signs of aging. A multifunctional cosmetic formulation containing a combination of UV filters and antioxidant substances (liposoluble vitamins A, C, and E, *Ginkgo biloba*, and *Porphyra umbilicalis* extracts) was evaluated.
The formulation was subjected to a clinical efficacy study using biophysical techniques and skin image analysis (digital photography imaging systems, 20 MHz ultrasound, and reflectance confocal microscopy). The volunteers applied the formulation containing the UV filters and antioxidant substances during the day, and a version of the formulation without UV filters at night, for 90 days.
The formulation increased hydration and protected the skin barrier function after a single application. In the long-term assessment, the formulation improved skin barrier function and hydration in the deeper layers of the epidermis, leading to enhanced skin appearance by reducing wrinkles and skin roughness.
The multifunctional cosmetic formulation studied can be recommended for preventing signs of aging and improving skin conditions. Additionally, this study highlights the benefits of combining different active antioxidant substances in a single cosmetic formulation to prevent skin aging.
Keywords: multifunctional cosmetics, image analysis, clinical efficacy, skin aging, antioxidants.
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