| abstract |
Fragrance leaches rapidly from capsules having shells made from cross linked gelatin into volatile silicone oils. Unfortunately such oils are much favoured for anhydrous antiperspirant compositions. The rate and extent of leaching can be ameliorated greatly or nearly halted by employing as carrier oil, an ester oil or an ether oil, even in the presence of a significant fraction of volatile silicone oil. Consequently, the capability of antiperspirant compositions to generate detectable fragrance over an extended period after application to the skin is improved by employing ester or ether oil as all or part of the carrier liquid in which the antiperspirant is suspended. |