Final answer:
The shampoo bowl should be sanitized after each use to maintain proper hygiene and prevent the spread of germs and infections.
Step-by-step explanation:
The shampoo bowl should be sanitized after each use to maintain proper hygiene and prevent the spread of germs and infections. Every time a person's hair comes into contact with the bowl, it can leave behind oils, dirt, and other residues. Therefore, regular sanitization is essential to ensure a clean and safe environment.