One of the most important things you can do to increase hair growth is to improve blood circulation in your scalp. To do this you need to dilate the blood vessels and increase the growth of blood vessels by increasing the growth factor VEGF.
Research shows topical retinol, or vitamin A, improves scalp blood circulation, encourages new blood vessel formation and reduces scalp inflammation. Since male pattern baldness and other forms of hair loss are often characterized by inflammation and poor blood ciculation in the scalp, retinol is an effective and affordable hair loss treatment.
Rosemary oil is found in several popular topical hair growth treatments. At least one study has shown the essential oil to be beneficial for hair growth.
