Final answer:
The correct answer is C) Personalizing. Customizing a facial or body service and then performing the protocol is an essential step known as personalizing.
Step-by-step explanation:
The correct answer is C) Personalizing.
Customizing a facial or body service and then performing the protocol is an essential step known as personalizing. This involves tailoring the treatment to the specific needs and preferences of the client.
For example, if a client has dry skin, the esthetician may use hydrating products and techniques during the facial service to address their skin concerns. Personalizing the service ensures that the client receives a tailored and effective treatment.