What aspect of a treatment is enhanced by sterilizing instruments?

Sterilizing instruments is crucial for ensuring safety and hygiene in any treatment, particularly in cosmetology settings where the risk of infection can be significant. Proper sterilization eliminates pathogenic microorganisms, thereby reducing the likelihood of transmitting infections to clients. This practice not only protects clients but also those performing the treatments, fostering a safe environment.

While visual appearance, effectiveness of treatment, and client comfort are important factors in a treatment session, they do not specifically relate to the essential need for sterilization. For instance, visually appealing instruments or effective treatments do not ensure safety if the tools used harbor bacteria or viruses. Similarly, while comfort can enhance the client experience, it cannot compensate for the health risks posed by non-sterilized tools. Therefore, the primary and most critical aspect enhanced by the sterilization of instruments is the safety and hygiene of the treatment environment.