| abstract |
A cellulose ether which has from 4,000 to 10.000 anhydroglucose repeat units and is substituted with (a) on the average from 0.0003 to 0.08 moles, per mole of anhydroglucose unit, of a substituent comprising an alkyl or arylalkyl group having from 8 to 24 carbon atoms and (b) a substituent having the formula II wherein R 5 , R 6 and R 7 each independently are —CH 3 or —C 2 H 5 , R 8 is —CH 2 —CHOH—CH 2 — or —CH 2 CH 2 , A z− is an anion, and z is 1, 2 or 3 is useful in hair and skin care compositions. |