Remedies for Dandruff Dandruff can be treated with natural remedies that help clean the scalp and reduce flaking. Remedy 1: Olive Oil and Lemon A simple and effective remedy for combating dandruff. Ingredients: Juice from one lemon 2 tablespoons olive oil 2 tablespoons boiled and cooled water Preparation: Mix the ingredients and massage the scalp well. Leave the mixture on the scalp for 20 minutes, then wash with shampoo.