Washington Esthetician State Board Practice Exam

How does nicotine affect the aging of the skin?

1. It enhances circulation and oxygen supply

2. It contracts blood vessels, weakening circulation

3. It increases collagen production

4. It thickens the skin's outer layer

The correct answer is: It contracts blood vessels, weakening circulation

Nicotine is known to have a significant impact on the skin, particularly in terms of its effects on circulation. When nicotine is introduced into the body, it causes blood vessels to constrict, a phenomenon known as vasoconstriction. This constriction reduces blood flow to the skin, leading to a decrease in the delivery of essential nutrients and oxygen that are crucial for maintaining healthy skin. The lack of adequate blood flow can result in a variety of skin issues over time, including a dull complexion, slower healing processes, and an increased appearance of fine lines and wrinkles. Additionally, compromised circulation can contribute to the breakdown of collagen and elastin, proteins necessary for skin elasticity and firmness, further accelerating the aging process. In contrast, the other options present benefits or processes that are not associated with the effect nicotine has on the skin. Nicotine does not enhance circulation or increase collagen production; rather, it hampers these vital functions, contributing to the signs of aging. Similarly, while some substances may thicken the skin's outer layer, nicotine's effects are more aligned with detriment rather than enhancement. Understanding these mechanisms is essential for comprehending how lifestyle choices, such as smoking, can profoundly affect skin health.