The present invention relates to photostable sunscreen compositions comprising sunscreens, more particularly to a liquid composition in emulsion or microemulsion format comprising dibenzoylmethane sunscreens. An object of the present invention is to provide photostable compositions comprising dibenzoylmethane sunscreens, wherein the stabilization is brought about by using readily available and inexpensive ingredients. The present inventors have surprisingly found that cosmetic compositions comprising dibenzoylmethane or its derivative can be stabilized in a specific liquid emulsion or microemulsion formulation having specified ingredients in selective amounts.