Color changing consumer products
The invention relates to personal care products containing multilayer films with decorative layers and may impart a noticeable color change. The invention is applicable in products including type toothpaste, soaps, and other products until diluted with water (or saliva).
Colgate-Palmolive Company
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B32B B32B B32B A61K A61K B32B B32B A61K A61K B32B B32B C11D A61Q A61Q A61K B32B
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Wei Harsh M. Guisheng Thomas Nora
Wang Trivedi Pan Boyd Lin