Hair treatment agents containing selected fatty acid amides and selected UV filters

A hair treatment agent including—relative to its weight—

• a) 0.01 to 15 wt. % of a fatty acid amide according to formula (I)
• in which R1, R2 and R3 independently of one another denote a linear branched or unbranched C6 to C30 alkyl or alkenyl group, and n and m independently of one another denote integers from 1 to 10, and
• b) at least one UV filter in a total amount from 0.01 to 15.0 wt. %, relative to the total composition.