| 摘要 |
Compositions comprising an insoluble metal pyrithione, such as zinc pyrithione, in an unstable crystalline form and one or more surfactants, may be stabilised by the inclusion in the composition of at least 0.001 % by weight of the composition of a nonionic, zwitterionic, cationic or anionic polymer which comprises a plurality of carbocyclic or heterocyclic, aromatic or non-aromatic rings. |
