Dry hair is hair that does not have enough moisture and oil to maintain its normal shine and texture.
Causes :
- Anorexia nervosa
- Excessive washing, or using hard soaps or alcohols
- Excessive blow – drying
- Dry air (environmental dryness)
- Mendes kinky hair syndrome
- Malnutrition (for example, kwashiorkor disease)
- Underactive parathyroid ( hypoparathyroidism)
- Underactive thyroid (hypothyroidism)