Which of the following is a key responsibility of estheticians in South Dakota?

Ensuring proper sanitation and safety measures is a fundamental responsibility of estheticians in South Dakota. This is crucial because estheticians work in a setting where they handle cosmetic products, perform skin treatments, and may come into direct contact with clients' skin. Adhering to sanitation protocols helps to prevent infections, minimize the risk of cross-contamination, and protect the health of both the clients and the practitioners. Proper sanitation includes procedures such as sterilizing tools, using clean linens, and maintaining a hygienic workspace, all of which are mandated by state regulations.

In contrast, choosing products based solely on popularity can lead to negligence in selecting appropriate or safe items for clients, as it does not consider individual skin types or conditions. Promoting only high-end brands disregards accessibility and could be perceived as unprofessional if the reputation of the brands isn't established or relevant to the clients' needs. Operating without a license is illegal and poses serious ethical and professional risks, endangering both the esthetician's career and consumer safety. Therefore, maintaining proper sanitation and safety measures stands out as the key responsibility that safeguards the well-being of clients while upholding industry standards.