Used in ancient times to encourage bravery, Thyme ct Thymol is used by aromatherapists today to support calm during times of stress and anxiety. The oil is useful for promoting clean air and clean surfaces, as well as maintaining healthy immune and digestive systems. Thyme ct Thymol may also be applied to feet and nails to keep them healthy and clean before going into public showers or the gym. The oil’s scent is strong, herbaceous and warm.