Die vorliegende Erfindung betrifft Haarbehandlungsmittel enthaltend Quinoprotein. Unter Quinoaprotein werden die mit Wasser und Glycerin aus den Samen der Pflanze Chenopodium quinoa extrahierten löslichen Proteinanteile verstanden. Quinoaprotein wird gemäß der üblichen Nomenklatur für kosmetische Inhaltsstoffe als Chenopodium Quinoa Seed Extract bezeichnet. Quinoa gehört botanisch zur Familie der Fuchsschwanzgewächse, den Amaranthaceae. Die Haarbehandlungsmittel der vorliegenden Erfindung enthalten das Quinoaprotein als Teil eines Wirkstoffkomplexes.Hair treatment composition comprises: (a) 0.001-5 wt.% of quinoa protein (b) 0.1-10 wt.% of at least one quaternary ammonium compound comprising esterquats, quaternary imidazoline compound (I), amine and/or cationized amine, poly(methacryloyloxyethyltrimethylammonium) compounds, quaternized cellulose-derivatives, quaternized polyvinyl alcohol, polyquaternium 2, polyquaternium-7, polyquaternium-16, polyquaternium-17, polyquaternium-18, polyquaternium-24 and/or polyquaternium-27 and (c) 0.1-10 wt.% of at least one nourishing fatty component comprising (c1) silicone and/or (c2) oil body. Hair treatment composition comprises: (a) 0.001-5 wt.% of quinoa protein (b) 0.1-10 wt.% of at least one quaternary ammonium compound comprising esterquats, quaternary imidazoline compounds of formula (I), amine and/or cationized amine, poly(methacryloyloxyethyltrimethylammonium) compounds, quaternized cellulose-derivatives, preferably polyquaternium 10 and/or polyquaternium 67, cationized alkylpolyglycosides, cationized honey, cationized guar derivatives, chitosan and/or polymeric dimethyldiallylammonium salts or their copolymers with esters and amides of (meth)acrylic acid, copolymers of vinylpyrrolidones with quaternized derivatives of dialkylaminoalkylacrylates and -methacrylates, vinylpyrrolidone-vinylimidazolium methochloride-copolymers, quaternized polyvinyl alcohol, polyquaternium 2, polyquaternium-7, polyquaternium-16, polyquaterni