| 摘要 |
A fragrance delivery system comprising (i) a source of fragrance; (ii) a sealed envelope of a polymeric film completely enveloping the fragrance source, said film being permeable to the fragrance at a controlled rate; and (iii) an outer sheath of flexible material retaining said sealed envelope and having a permeability to the fragrance exceeding the permeability of the sealed envelope to the fragrance. |
