The first sign of poor circulation to the scalp is an unexpected dryness. The hairline thins very quickly after that, leading to sudden hair loss. Not enough nutrients can reach the skin because of the lack of blood flow. You can nourish your scalp by promoting a blood surge in the hair follicles; for example, rubbing hair oil into your scalp may help improve circulation and growth. However, hair loss can be the result of numerous other conditions, including hormonal imbalance, iron deficiency, stress and aging, so talk to your doctor about your symptoms.

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