Ace the Rhode Island Cosmetology & Barbering Exam 2025 – Style Your Future with Confidence!

Question: 1 / 400

Which vitamin is crucial for maintaining healthy hair?

Vitamin A

Vitamin B7 (Biotin)

Vitamin B7, commonly known as biotin, plays a vital role in maintaining healthy hair. It is essential for the production of keratin, a key protein that forms the structure of hair. Biotin supports cellular proliferation and is crucial for the growth of hair follicles, thereby promoting overall hair strength and health. A deficiency in biotin can lead to hair thinning and loss, making it particularly important for those seeking to improve hair health.

While other vitamins, such as Vitamin A, Vitamin C, and Vitamin E, do contribute to overall hair and scalp health in different ways—by supporting cell growth, providing antioxidant properties, and improving circulation—none are as directly linked to hair growth as biotin. Thus, biotin stands out as the crucial vitamin specifically identified for its role in maintaining healthy hair.

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Vitamin C

Vitamin E

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