There are quite few reasons for hair loss. The most common reasons are stress related thinning and age related hair loss. In both cases a balanced, healthy diet is an important factor for healthy hair. Make sure you include these food to help with hair growth: Oysters, Salmon, Pumpkin, Avocados, Spinach, Blueberries.
Age related hair thinning is normal part of aging ,so it is vital to treat your hair scalp with cleaning and conditioning hair products. There are few scalp detox products on a market (Nioxin, System Professional) to promote scalp revitalization and strength .