Considerations:
Dry hair is hair that does not have enough moisture and oil to maintain its normal sheen and texture.
Dry hair may result from too much washing, harsh detergents, a dry environment, inadequate diet, or underlying conditions, such as those due to malnutrition. (For example, kwashiorkor)
Dry, brittle hair may be a symptom of metabolic diseases such as hypothyroidism and Menkes kinky hair syndrome.
