Certified Wound Ostomy Nurse (CWON) Practice Test

What is the main advantage of using a non-occlusive dimethicone moisture barrier for intertriginous dermatitis?

1. Deep hydration

2. Prevention of maceration

3. Enhances absorption of moisture

4. Provides a cooling effect

The correct answer is: Prevention of maceration

The main advantage of using a non-occlusive dimethicone moisture barrier for intertriginous dermatitis is its ability to prevent maceration. In areas where skin surfaces rub against one another, such as the skin folds, moisture can accumulate and lead to irritation, inflammation, and breakdown of the skin, known as maceration. Dimethicone creates a protective barrier that allows the skin to breathe while still preventing excess moisture from causing further irritation. This barrier helps to maintain the skin's integrity by reducing friction and providing a degree of water resistance, thus minimizing the risk of maceration. Additionally, because it is non-occlusive, it does not trap moisture against the skin, which is critical in intertriginous areas where keeping the skin dry is essential for healing. Other options, such as deep hydration or enhancing absorption of moisture, do not specifically address the primary concern in intertriginous dermatitis, which is the prevention of skin breakdown due to excess moisture and friction.