Arkansas Esthetician Practice Exam 2026 – The Comprehensive All-in-One Guide to Master Your Certification!

The subcutaneous layer, also known as the hypodermis, is the deepest layer of the skin. This layer is primarily composed of adipose tissue, which is fat cells that act as insulation and a source of energy for the body. Option A, squamous cells, are a type of skin cell that primarily make up the epidermis. Option B, muscle tissue, is found in the dermis layer of the skin and is responsible for movement and support. Option D, fibroblast cells, are found throughout the skin but are not the primary composition of the subcutaneous layer.