摘要 |
A novel concentrated surfactant composition suitable for use as an ingredient of shampoo formulations comprises an aqueous solution of a mixed ammonium, monoethanolamine, isopropanolamine alkyl sulphate, wherein the alkyl group has from 10 to 18 carbon atoms. The composition has an active concentration above that corresponding to the M1 phase/G phase transition but below that corresponding to the G phase/ hydrated solid transition. |