TX Cosmetology study materials
TX Cosmetology study resources

TX Cosmetology: Sanitation, Disinfection, and Safety

TX Cosmetology · Work through your exam, one topic at a time.

All guide sections

Sanitation, Disinfection, and Safety

Core distinctions

Cleaning removes visible soil, product residue, and oils. Disinfection destroys most pathogenic microorganisms on nonporous surfaces and implements. Sterilization destroys all microbial life and is not the routine salon standard. Texas rules require implements to be cleaned before disinfection; a disinfectant cannot penetrate hair, skin oil, or product residue. Use an EPA-registered hospital-grade disinfectant according to the label’s contact time. Porous items, such as cotton, wooden sticks, and some files, are single-use or disposable. Nonporous metal or plastic tools may be disinfected if the label allows. Keep clean and dirty tools separate.

Safety

Practice handwashing, wear gloves for blood or body fluids, use eye protection when splashing is possible, ventilate chemical areas, keep SDS information available, label containers, and avoid eating or drinking at the station. For blood exposure, stop the service, put on gloves, clean the wound, and disinfect contaminated tools and surfaces with a product labeled for bloodborne pathogens. Follow the salon’s exposure policy.

Traps

Questions often show a tool placed directly into disinfectant without cleaning, a UV cabinet called a disinfectant, disinfectant “topped off” without label directions, or towels reused between clients. Contact time is commonly ignored.

Worked example

Clippers with a nonporous blade and no visible blood: remove hair, wash with soap and water, dry, apply the EPA-registered hospital-grade disinfectant per label, wait the full contact time, dry, and store in a clean covered area. If blood is present, use gloves and a disinfectant with a bloodborne-pathogen claim.

Rule of thumb: clean first, disinfect second, and follow the label contact time.