Ubiquinone is a powerful antioxidant, naturally found in the cells, can have energising effects on the skin. Applied topically to the skin, it can neutralise free radicals. It is usually added to cosmetics because of its antioxidants properties.

According to a 1999 study, Ubiquinone can penetrate the epidermis and minimise oxidation. The depth of wrinkles was also reduced.

Ref:
Hoppe U, Bergemann J, Diembeck W, Ennen J, Gohla S, Harris I, Jacob J, Kielholz J, Mei W, Pollet D, Schachtschabel D, Sauermann G, Schreiner V, Stäb F, Steckel F. Coenzyme Q10, a cutaneous antioxidant and energizer. Biofactors. 1999;9(2-4):371-8. doi: 10.1002/biof.5520090238. PMID: 10416055.