Dandruff is the main cause for itchy scalp which is caused by a fungus P. Ovale. Changes in climate, increased stress and change of water may also cause itchy dandruff on the scalp and other parts of the skin.
The signs of itchy scalp are gray flake like structure falling from scalp which would cause irritation. The fungus multiplies in number and cause skin irritation by shedding the old cells which is known as dandruff. Flaking is the most common symptom of dandruff and itchy scalp.
Treatment for itchy scalp is available in many methods. Homemade remedies include massage the scalp with almond oil, aloe Vera gel, applying tea tree oil or cider vinegar to the hair and washing. You can also exfoliate the scalp by increasing the shedding of old skin cells. Apply apple cider vinegar with water on the scalp and gently massage and leave it for 20 minutes and shampoo it properly.