Those favoring the treatment argue that the fish soften calluses, help lighten dark cuticles and increase circulation. However, experts say the health risks — both to humans and to the fish — outweigh any potential benefits. As a result, fish pedicures are banned in 10 U.S. states, Mexico and areas of Europe.

Although rare, there have been cases where infections that people got from fish pedicures ultimately caused death. Due to this risk, anyone with a compromised immune system, diabetes, or another serious health condition should never get fish pedicures.

Garra rufa fish are native to the Middle East and Southeast Asian countries. They are allowed in certain places in the United States. The procedure became popular because the fish are able to exfoliate and soften the feet in a non-painful way.

Texas bans fish pedicures - Practical Fishkeeping.