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Kawakami, C. M., Máximo, L. N. C., Fontanezi, B. B., da Silva, R. S., & Gaspar, L. R. (2017). Diethylamino hydroxybenzoyl hexyl benzoate (DHHB) as additive to the UV filter avobenzone in cosmetic sunscreen formulations - Evaluation of the photochemical behavior and photostabilizing effect. European Journal of Pharmaceutical Sciences, 99, 299–309. doi:10.1016/j.ejps.2016.12.031 
10.1016/j.ejps.2016.12.031