How often should the liquid sterilizer solution be replaced?

• A. Daily
• B. Every 7 days
• C. Every 14 to 28 days
• D. Every 6 months

Answer: (C)

Regular replacement of the liquid sterilizer is about keeping disinfection effective. Once opened, the solution can lose potency and become contaminated over time due to exposure to air, temperature changes, and organic material from tools. Replacing it every 14 to 28 days provides a practical balance between maintaining safety and avoiding waste. This interval helps ensure the solution is still capable of providing proper disinfection when tools are immersed or wiped with it.

If you notice changes like cloudiness, a strange odor, or sediment, that’s a sign to change it sooner. Always follow the product’s label for open-use life and your salon’s policy. Replacing daily or weekly is often unnecessary, while waiting six months increases the risk that the solution won’t disinfect effectively.