Myrrh's essential oil is a strong antiseptic and fights viral and fungal infections. A salve containing it effectively treats eczema, bruises, infection, athlete's foot, and difficult-to-heal wounds. Myrrh also reduces the swelling of infection and can even hasten the healing of infections by increasing the production of while blood cells. It is used on varicose veins, chapped, cracked, aged skin, candida (thrush), and herpes blisters. Its moisturizing properties work well to treat dry hair. A remedy for mouth and gum diseases, it's found in gargles, mouthwash, and toothpaste. It activates the immune system, so lozenges or a syrup containing myrrh is good for coughs, colds, and flu. There is some evidence that it helps to regulate an overactive thyroid and that it increases menstrual flow. It also works as an aphrodisiac.