Topical treatment with coenzyme Q10-containing formulas improves skin's Q10 level and provides antioxidative effects.

What was studied

Randomised forearm treatment locations in 73 healthy women: two ubiquinone formulas, 348 and 870 micromolar, twice daily for two weeks versus untreated skin. Epidermal quinone measurements covered all 73; antioxidant-marker analyses used a 16-person elevated-stress subgroup. Separate experiments used cultured keratinocytes. No matched vehicle or clinical wrinkle endpoint.

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