Guru Singh talks about how your hair is like an electric circuitry. You need vitamin D which is absorbed directed from the sunlight into your hair and skin.
[youtube]http://www.youtube.com/watch?v=IH4N0NjOlzg[/youtube]
Guru Singh is a 3rd-generation yogi, master spiritual teacher, author & musician who teaches conscious living through Kundalini & Humanology.www.gurusingh.com