2.5. Reflection Checkpoint

Key Takeaways

• Pathogens fall into three main categories relevant to esthetics: bacteria, viruses, and fungi — each requires a disinfectant verified to kill that specific type
• The three decontamination levels are cleaning, disinfection, and sterilization — they are sequential and not interchangeable; cleaning always comes first
• EPA-registered disinfectants must specifically claim all three properties: bactericidal, virucidal, and fungicidal
• Single-use items are discarded after one use — no cleaning or disinfecting process makes them safe for reuse
• Universal Precautions mean treating every client's blood and body fluids as potentially infectious, every time

Connecting Forward

Phase 3 continues the Safety domain with workplace safety regulations — SDS sheets, OSHA/EPA/FDA requirements, chemical storage, and how to handle adverse reactions. While Phase 2 focused on biological hazards, Phase 3 focuses on chemical and physical hazards. Together they complete the 40% Safety and Infection Control domain.

Self-Check Questions

• A disinfectant solution was prepared correctly and used to process tools, but you realize it had been sitting in the container for three days without being replaced. What is the problem, and why does it matter?
• You are setting up for your next client and notice that the clean tool container is uncovered. A colleague says the tools were just disinfected 10 minutes ago so it doesn't matter. Do you agree? Explain using first principles.