Emotionally, it's a powerful oil, calming anxiety and panic, acting as an antidepressant. Physically, it tends to be a sedative, which agrees with its relaxing effect on the mind. Some authorities recommend it for treating rapid heartbeat, and for insomnia. I have also seen it used in recipes for deodorant blends. Basically, Petitgrain may be used in any application for which one would use Neroli; at a lower cost.