Nettles or stinging nettles has been a hair growth stimulant for centuries around the world. Nettles nutritional content, including iodine, silicone and sulfur is good for hair. It is also one of the best blood cleansing and blood building herbs. You can make the tea and rinse with it on the scalp. rub it into the scalp to have thick hair and a beautiful sheen. It’s stimulating qualities also help with circulation to the scalp. Drink a cup of this beautiful tea for a few weeks. According to Maria Treben, one of the top herbalist in the world, nettles one of the most important and nutritional herbs in the world for healing. FOS LIVING eco salon spa store sells 4 oz to 1 lb bags of organic nettles.