Lemon
You can use fresh lemon juice or lemon oil since they are said to enhance hair quality and growth. Lemon oil can help you to maintain a healthy scalp and encourage hair growth. Apply fresh lemon juice to your scalp and hair 15 minutes before you shampoo. You can use lemon essential oil diluted in a carrier oil as a hair mask.
Ginseng
Taking ginseng supplements can promote hair growth by stimulating hair follicles. Ginsenosides are the active components of ginseng and are thought to be responsible for its positive effect on hair. Always take as directed and be sure to check for any possible side effects.