Cedar is used whenever calm and composure are required. It is said to aid in relieving nervous tension, anxiety, insomnia, fighting depression and aggression. It is said to improve blood circulation, arthritis, and enhance concentration. It is a powerful antiseptic, astringent and insect repellent.It is a powerful antiseptic, astringent and insect repellent. It repels mosquitoes, moths, woodworm, rats and mice.