| 摘要 |
A rheologically smooth opaque dentifrice containing a siliceous polishing material, at least about 35% by weight of water, sodium alkyl sulfate surface active agent wherein the alkyl group contains 10-18 carbon atoms, with about 40-70% being C12 and about 0.1-15% by weight of an alkylene diamine tetramethylene phosphonic acid water soluble salt. |
