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POWDERED detergents are a different story. For them, Co. recently launched encapsulation technology, which is designed to protect volatile fragrance materials and those that are attacked by other ingredients. Co. says granules are made by spray-drying an emulsion containing the desired fragrance to form a glassy hydrophilic matrix. This is then agglomerated using a second emulsion. Stability and release are controlled by selection of encapsulation materials in both emulsions. According to Co., the technology has been evaluated by major soap and detergent manufacturers and is now in a large consumer test. Technology adds cost, he acknowledges, so it must provide a perceived consumer benefit or help support a strong advertising claim. One way to offset this cost, he adds, would be to use the technology to co-encapsulate nonfragrance detergent ingredients |
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