Patent No. US 6,645,479 B1: Inter-national Flavors & Fragrances Inc., New York, NY, patented a fragranced hair care composition comprising an unfragranced hair care base that is intimately admixed with a perfuming quantity and concentration of a microparticulate encapsulated fragrance with ellipsoidal hydrophobic particles. The particles each contain a single phase solid solution of a matrix material consisting of at least one hydrophobic polymer and a substantially hydrophilic surfactant.
Targeted Hair/Perfume Delivery Patented by IFF
Published November 14, 2005
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