Incompatible chemicals together in the same bottle

Using polypropylene clarified with MILLAD 3988 from Milliken Chemical, and an innovative design, Henkel Iberica S.A. can new can sell mouthwash containing two incompatible chemicals in a single package.

The mouthwash sold under the Schwarzkopf and Henkel brand combines two incompatible but necessary components, peroxide and alcohol. The packaging solution was a clear, two-cavity bottle, blow molded on a conventional Bekum blow molding machine.

“We chose clarified polypropylene over PET or PVC because of the technical complexity of the design and because it was the most cost efficient solution,” said Manuel Bertomeu, packaging engineer manager. “We wanted to packaging to display the clarity and color of the liquids in order to convey the crisp freshness of our mouthwash.”

Using clarified polypropylene, the design is cost competitive, and visually appealing.

Milliken Chemical 864/503-2200

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