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PH-toothpaste box / Product packaging

PH-toothpaste box
PH-toothpaste box

The pH test paper is designed on the reverse side of the toothpaste package by using the paper package of toothpaste. The toothpaste package has a hollow dotted line. A test paper can be cut along the dotted line to make secondary use of the package to avoid waste of resources. Put the test paper into the mouth, use saliva to detect the pH value of the mouth, compare the pH value table, remind yourself to pay attention to the change of pH value, clean the mouth in time, protect oral health.

University

Fujian agricultural and Forestry University

Fujian agricultural and Forestry University
Fuzhou, China

Shunbin Zhou,
Fujian agricultural and Forestry University