Utah Esthetics Written State Practice Exam

What can be dependent on non-pathogenic bacteria in the skin?

1. Water retention

2. Vitamin absorption

3. Skin hydration

4. Collagen production

The correct answer is: Vitamin absorption

Non-pathogenic bacteria in the skin, often referred to as skin flora or microbiota, play a crucial role in maintaining skin health. These beneficial bacteria can enhance skin barrier function, which is vital for processes such as hydration and the overall health of the skin. Vitamin absorption, particularly for fat-soluble vitamins, can be influenced by the presence of these beneficial bacteria. They assist in breaking down various nutrients and may contribute to the skin's ability to utilize vitamins effectively. This is particularly important because certain vitamins are essential for skin health, and the balance of microflora can affect how well these vitamins are accessed by skin cells. Water retention and skin hydration are generally influenced more by the skin's barrier function and overall moisture content, while collagen production is primarily driven by skin cells, such as fibroblasts, rather than directly by non-pathogenic bacteria. Thus, while all options relate to skin health, the connection between vitamin absorption and non-pathogenic bacteria stands out as the most direct influence.