(a) an organic UV absorber in an oil state at 20°C, comprising (al) octocrylene; (b) an organic UV absorber in a solid state at 20°C, selected from (bl) bis-ethylhexyloxyphenol methoxyphenyl triazine and (b2) methylene bis-benzotriazolyl tetramethylbutylphenol; and (c) a polyoxyethylene/polyoxyalkylene alkyl ether block polymer represented by formula (1) or (2)