What are the most important factors influencing hair growth?

Question

Quizplus · Accepted Answer

Nutrition and hormones are the most important factors influencing hair growth. Adequate nutrition, particularly with respect to protein, vitamins A, C, and E, biotin, and zinc, is essential for healthy hair growth. Hormones, including androgens, estrogens, and thyroid hormones, all play a role in hair growth and loss. Age, glandular products, and sex do play a role, but they are not as important as nutrition and hormones. The size and number of hair follicles can also impact hair growth, but this is more of a structural factor than a functional one.

What Are the Most Important Factors Influencing Hair Growth