The present invention relates to a water based dispersion, an oil based dispersion, a base formulation consisting of the water based dispersion and the oil based dispersion, a cosmetic formulation comprising the base formulation as well as a method for preparing a cosmetic formulation having UV-A and/or UV-B protection and an use of a water based dispersion and/or an oil based dispersion or a base formulation in cosmetic formulations.本發明係關於一種水基分散液,一種油基分散液,一種由該水基分散液及該油基分散液組成之基礎調配物,一種包含該基礎調配物之化妝品調配物,以及一種製備具有UV-A及/或UV-B防護之化妝品調配物的方法,及一種水基分散液及/或油基分散液或基礎調配物在化妝品調配物中之用途。