South Carolina Cosmetology Practice Exam

Question: 1 / 400

What nutrient is essential for hair health?

Carbohydrates

Vitamins

Protein

Protein is essential for hair health because hair is primarily made up of a protein called keratin. This structural protein forms the basis of each hair strand, providing strength, elasticity, and overall structure. Without adequate protein in the diet, hair can become weak, brittle, and may even lead to increased hair loss.

While vitamins, carbohydrates, and minerals play supportive roles in overall bodily health and can influence hair health in indirect ways—like aiding in the absorption of protein or supporting circulation—protein specifically contributes directly to the building blocks of hair itself. Thus, ensuring a sufficient protein intake is crucial for maintaining strong, healthy hair.

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Minerals

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