A hair treatment composition includes, based on the weight of the composition, 0.1 to 20 wt. % at least one silicone which has groupings of the formula (I) as defined herein 0.1 to 20 wt. % at least one copolymer which has monomer units of the formulas (V) and (VI) as defined herein and 0.1 to 10 wt. % (RS)-2-cyano-3,3-diphenylacrylic acid-2-ethylhexyl ester. The hair treatment composition has an improved protection effect against UV radiation and imparts better combability, shine, elasticity, brittleness, and maximum tear resistance to hair.