Long-chain quaternary ammonium surfactants, such as cetyltrimethylammonium chloride (CTAC), are generally combined with long-chain fatty alcohols, such as stearyl alcohols, in formulations of hair conditioners and shampoos.
lˈɔŋtʃˈeɪn kwətˈɜːnɚɹi æmˈoʊniəm sˈɜːfæktənts, sˈʌtʃ ɐz sˌɛɾɪltɹˌaɪmθɪlɐmˈoʊniəm klˈoːɹaɪd sˈiːtˈæk, ɑːɹ dʒˈɛnɚɹəli kəmbˈaɪnd wɪð lˈɔŋtʃˈeɪn fˈæɾi ˈælkəhˌɑːlz, sˈʌtʃ ɐz stˈɪɹɪl ˈælkəhˌɑːlz, ɪn fˌɔːɹmjʊlˈeɪʃənz ʌv hˈɛɹ kəndˈɪʃənɚz ænd ʃæmpˈuːz.