The invention relates to a hair treatment agents, including—in each case with respect to the weight of the hair treatment agents—0.1 to 20 wt % of at least one silicone, which has groups of formula (I) as defined herein 0.1 to 20 wt % of at least one copolymer, which has monomer units of formulas (V) and (VI) as defined herein and 0.1 to 10 wt % of (RS)-2-cyano-3,3-diphenylacrylic acid-2-ethylhexylester. The hair treatment agents have an improved protective effect against UV radiation and give hair treated with said hair treatment agents better combability, shine, elasticity, brittleness, and maximum tear resistance.
