Estheticians are specialists which are charged with improving the condition of an individual' skin. However, Estheticians are only licensed to work on the epidermis.
- The epidermis describes the portion of the skin which is visible to the eye. It the upper or outer part of the skin which is usually thin.
- The epidermis also functions to provide outer covering to the underlying layer, hence serves as a protector.
Hence, the missing phrase is epidermis.
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