Liquid detergent packets were introduced to the North American market in 2010 and have since become an important product. They have grown in popularity because they provide a convenient way to deliver the correct dose of detergent for maximum cleaning efficiency. With increased use come more questions on what makes up the packets, especially the technology that goes into the film that encapsulates them. This page hopes to answer many of the common questions about PVOH films used in detergent packets.