Add a few drops tea tree oil to a natural shampoo and use as usual. Tea tree oil has healing and antibacterial properties that can help soothe your scalp and when your hair weave causes itching.
Mix 1 part witch hazel to two parts distilled water. Rinse hair with this mixture; work into scalp allowing soaking in for a few minutes. Rinse well.
Most bar soaps should be avoided as they can cause severe drying, but glycerin soap, such as the melt and pour variety that is common today, is a natural moisturizer, and can be used directly on the scalp. Better yet, make your own and add in ingredients such as green tea, honey, or goat’s milk. All of these work well at moisturizing and treating a dry scalp.
A vinegar mixture of equal parts water and vinegar is said to work well. Rinse hair in clear water and apply mixture directly to scalp with cotton balls or pads. Rinse with clear water. If desired, shampoo with a mild shampoo.
Baking soda diluted with water can be applied directly to the scalp in a similar fashion, let soak into scalp, and then rinse well with clear water.
Aloe Vera gel from the plant itself can be applied directly to the scalp. Let sit for 10 to fifteen minutes, shampoo out be careful to remove all traces of all vers gel from the tracks of your hair weave to prevent a foul odour.
Source: www. ehow.com and www.essortment.com