Hair treatment agents include, with respect to the weight thereof, 0.0001-10 wt % of at least one oligopeptide that has at least one amino acid sequence Glu-Glu-Glu (formula (I)), wherein the amino group can be free or protonated and the carboxyl groups can be free or deprotonated, and 0.0001-10 wt % of at least one ester of hyaluronic acid with lipoic acid, formic acid, or mixtures thereof. With such agents, hyaluronic acid esters and certain oligopeptides intensify each other in the positive effect thereof on the hair and the hair follicles.
