Final answer:
To ensure the effectiveness of high-frequency treatments, it is important to use a cream that contains nourishing and moisturizing ingredients.
Step-by-step explanation:
If a cream is used during scalp or other high-frequency treatments, it is important for the cream to contain nourishing and moisturizing ingredients to prevent dryness and damage to the scalp and hair follicles. Some examples of ingredients to look for in a cream for high-frequency treatments include aloe vera to soothe the scalp, argan oil to moisturize and nourish the hair, and vitamin E to protect against damage from free radicals.