Iowa Cosmetology Practice Exam

Which vitamin is essential for healthy hair growth?

1. Vitamin C

2. Vitamin A

3. Vitamin E

4. Vitamin D

The correct answer is: Vitamin E

Vitamin E is known for its crucial role in promoting healthy hair growth due to its antioxidant properties, which help combat oxidative stress in the hair follicles. This vitamin assists in improving blood circulation to the scalp, thereby providing essential nutrients to the hair and supporting its overall health. Furthermore, Vitamin E helps maintain moisture in the hair, reducing dryness and brittleness, which can lead to hair damage. While other vitamins like Vitamin C, A, and D play important roles in overall health and can influence hair condition, they do not have the same direct impact on the growth process as Vitamin E. Vitamin C is primarily known for collagen production, Vitamin A is important for cell growth and function, and Vitamin D is linked to various bodily functions, but none address hair growth specifically in the same way that Vitamin E does.