Michigan Esthetician State Board Practice Exam 2025 – All-in-One Success Guide for Your Certification!

The correct answer is oxygen and nutrients, as both are essential for cellular nourishment and overall skin health. Cells require a steady supply of oxygen to carry out metabolic processes effectively, which includes energy production, repair, and growth. Nutrients delivered through the blood supply, such as vitamins, minerals, proteins, and fatty acids, are also vital as they support various cellular functions and contribute to the overall vitality of the skin.

In a healthy skin environment, the presence of oxygen and nutrients is crucial for cell regeneration and repair, particularly since skin cells continually turn over. When cells are deprived of either component, their ability to function optimally is compromised, leading to issues such as poor skin texture, reduced elasticity, and an increased risk of skin disorders.

While aspects like remodeling collagen, detoxification, and absorption of products play important roles in skin health and appearance, they do not serve the primary function of nourishing cells as effectively as oxygen and nutrients do. Therefore, understanding the foundational need for oxygen and nutrients is critical for anyone studying the field of esthetics.