| 摘要 |
Use of a particle having a particle size in the range of from 10 nm to 1000 mum, preferably from 50 nm to 100 mum, more preferably 0.2 to 30 mum, wherein the particles comprise a polymer shell and a core; wherein the core comprises a phase change active, which is a material having a thermal phase transition temperature in the range 24 to 39°C to provide an improvement in personal freshness longevity to the wearer of treated garments, wherein the particle is a component of a composition comprising a perfume.. |
