Controlled-release Mechanisms of Fragrances

Fragrance is a significant part of personal care products such as creams, lotions, body powders and shaving creams. It is formulated into nearly every personal care product via either a single raw material or a blend of two or three materials. Fragrance also plays a minor role in other cosmetics such as depilatories and hair-waving lotions, where it primarily masks malodorous ingredients. Fragrances are volatile; they react with other components and are susceptible to heat, moisture and various other factors. Therefore, it is important to control the release of fragrance raw materials over a desired site and at a desired rate.

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