Peeling skin of the head in the form of white or yellow flakes and itching are the main symptoms of dandruff. Human skin is the largest body organ, which is constantly renewed by old cells dying and replacing them by new ones. Flaking is the most notable problem with dandruff, which is primarily an esthetic problem. Itching often occurs as a result of fungus Pityrosporum ovale inflammation. Redness is rarer usually at seborrheic scalp changes.
Dandruff can have several causes including:
- Dry skin is prone to peeling. Often in the winter when is too cold outside and too hot inside the skin is dry, and there appear flaking and itching.
- Irritated, oily skin characterized by red, greasy skin covered with white or yellow flakes is often the cause of dandruff.
- If the hair is not washed often enough, clusters of dead cells may form dandruff.
- Hypersensitivity to some hair styling products also known as contact dermatitis. Some ingredient of shampoos, conditioners, varnish, foam, hair wax or any other drugs can cause scalp itching and peeling.
- Fungi (Pityrosporum ovale) live at the crown of most adults, but its multiplying can cause problems with peeling scalp. This fungus feeds with fat secreted by sebaceous glands. This irritation leads to the growth of new layers of cells, which falling out. Due to the presence of sebum they appear as yellow flakes.
- Shampoos with zinc which have antibacterial and antifungal effect, reducing the number of fungi in the crown, which can lead to dandruff and seborrheic dermatitis. Tar-based shampoo made of stone coal resin that is obtained in the production of coal, helps with dandruff, seborrheic dermatitis and psoriasis by slowing down the extinction and falling out vertex cells.
- Shampoos with salicylic acid use as a crown peeling. These shampoos can eliminate flakes, but after their use skin can be more drained and susceptible to flaking. The use of conditioners after this shampoo can reduce dryness.
- Shampoos with selenium sulfide slow down the extinction of scalp surface cell. At a light, gray or chemically colored hair their use can lead to discolor, so they should be used strictly as directed and rinse thoroughly.
- Shampoos with ketoconazole give results when other shampoos fail.
- Herbal anti-dandruff shampoos can be based on the nettle, garlic, rosemary, sage, balm, mint, thyme ...
In the fight against dandruff some herbs can be very useful:
- onion – it is necessary to rub half of onion on the scalp; sulfur compounds from the onion effective act against fungi that cause dandruff;
- olive oil - massaging scalp with olive oil allows scalp regeneration from dry dandruff
- nettle – rubbed nettle drops on the scalp after hair washing prevent hair loss and dandruff development;
- sage - flushing scalp with sage tea, has antifungal effect and reduces excessive scalp fatness;
- apple vinegar – massaging scalp with solution of water and apple vinegar prevent dandruff.