Dry hair is hair that does not have enough moisture and oil to maintain its normal sheen and texture.

• Anorexia nervosa
• Excessive washing, or using harsh soaps or alcohols
• Excessive blow-drying
• Dry air (environmental dryness)
• Menkes kinky hair syndrome
• Malnutrition (for example, kwashiorkor disease)
• Underactive parathyroid (hypoparathyroidism)
• Underactive thyroid (hypothyroidism)

• Shampoo less frequently -- perhaps only once or twice a week
• Add conditioners
• Avoid blow drying and harsh styling products

Call your health care provider if:

• Your hair does not improve with gentle treatment
• You have hair loss
• You have any other unexplained symptoms

Your doctor will perform a physical examination and may ask the following questions:

• Has your hair always been slightly dry?
• When did the unusual hair dryness first start?
• Is it always present, or is it off and on?
• What are your eating habits?
• What kind of shampoo is used?
• How often do you wash your hair?
• Do you use a conditioner? What type?
• How do you normally style the hair?
• Do you use a hair dryer? What type? How often?
• What other symptoms are also present?

• Examination of the hair under the microscope
• Blood tests