Interestingly, the natural juice was just as effective as the enriched juice. The researchers also determined that intestinal cells can absorb more citrulline from watermelon juice than from citrulline supplements, especially when the juice is unpasteurized. 2. It helps heart health.
Another option is to dilute two or three drops of tea tree oil in one tablespoon of vegetable oil and massage the mixture onto your scalp. With regular use, this remedy will heal a dry, itchy scalp within a week or two.
Things to remember. 1  Dandruff affects about 50 per cent of the population. 2  Itching scalp can be caused by a number of conditions, including dandruff, seborrhoeic dermatitis and psoriasis. 3  Medicated shampoos can be used to treat dandruff and relieve itchy scalp.