Japanese hair care techniques are based on a holistic approach to hair health, focusing on nourishing the scalp with natural ingredients and promoting healthy blood flow to the hair follicles. These methods include herbal remedies, scalp massage techniques, and the use of natural hair products such as camellia oil, green tea, rice water, and seaweed. Shiatsu massage can also be used to promote healthy hair growth. Japanese people also believe that diet plays an important role in hair health, consuming a diet rich in nutrients such as omega-3 fatty acids, iron, and vitamin D while avoiding foods that are high in sugar.