Final answer:
Coloring procedures are not effective on synthetic wigs.
Step-by-step explanation:
Out of the given statements, the statement that is NOT true is: coloring procedures are effective on synthetic wigs. Coloring procedures are typically not effective on synthetic wigs because synthetic fibers do not absorb or hold color well. Therefore, it is not recommended to attempt coloring or dyeing a synthetic wig.
Learn more about synthetic wig care