What is the cause of frizzy hair?
Hypothyroidism
 Hypothyroidism changes the texture of hair, increasing its loss, and the National Institute of Diabetes and Digestive and Kidney Diseases indicates that hypothyroidism occurs when the cartilaginous thyroid gland is unable to produce an adequate amount of its hormones that meet the needs of the body, and its symptoms are lightness of hair, and dryness And roughness, in addition to fatigue, facial swelling, weight gain, constipation, and depression.
Malnutrition
 Malnutrition and the nature of the diet affect the skin, intestines, hair dryness, roughness, and fragility. Among the nutrients necessary for hair: protein, zinc, vitamin E, iron, and omega-3 fatty acids, knowing that they are found in the following foods: leafy vegetables, salmon, Spinach, eggs, kale, avocado, and oysters, and it is noteworthy that chemical treatments can affect some unexpected side effects on the hair, and these treatments include: coloring, bleaching, and hair curling, as they affect the structure of the hair, for example, it can open Layers of hair and do not close them, which leads to a change in the texture of the hair.
thermal damage
Environmental factors cause damage to the health and appearance of the hair, and exposing hair to heat is one of the most important reasons for hair dryness and roughness, in addition to the fact that the devices used in the work of hairstyles affect the moisture of the hair, which affects the hair pores, and breaks it, so care should be taken when using a hair dryer. , or straightening hair, or curling regularly and not to overuse it.
pharmaceutical
 Some medications affect the hair, for example: analgesics, beta-blockers, depression medications, and acne treatment medications, as they can enter the hair structure, leading to hair loss.
aging
The sebaceous glands decrease with age, in addition to the fact that their secretion of sebum decreases in the scalp, which affects the texture and roughness of the hair.