An air ioniser (or negative ion generator or Chizhevsky's chandelier) is a device that uses high voltage to ionise (electrically charge) air molecules.
Vitamin E for hair growth is beneficial because vitamin E has the effect of a scalp massage all the time. It contains valuable antioxidants that help to keep the immune system up and improves circulation to all parts of the body, including the scalp.
Because many Americans are deficient in magnesium, and because it is important to hair growth, taking a magnesium supplement, trying to eat more magnesium-rich foods, or even taking a weekly Epsom salts bath are all good ways to improve hair growth.