Ubiquinone, idebenone, and kinetin provide ineffective photoprotection to skin when compared to a topical antioxidant combination of vitamins C and E with ferulic acid

Journal of Investigative Dermatology (2006) 126, 1185–1187.

Joshua A. Tournas, Fu-Hsiung Lin, James A. Burch, M. Angelica Selim, Nancy A. Monteiro-Riviere, Jan E. Zielinski and Sheldon R. Pinnell