Patent No. US 6,719,967 B1: U.S.- and UK-based researchers for Unilever HPC, Chicago, were awarded a patent for a thickened shampoo that treats the hair containing a first phase with at least one naturally derived polymer and a second phase suspended in the first comprising a surfactant and a cationic deposition polymer.
Unilever HPC Earns Hair Treatment Patent
Published November 15, 2005
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