Hygiene and health Oil essences Health Aid Frankincense Oil (Boswellia carteri) 10 ml 2 ml Frankincense Oil (Boswellia carteri) 5mlis a precious oil famous from antiquity. Particularly good for mature skins. Traditionally used in a burner for use during meditation as it can create a ‘spiritual’ atmosphere. Pure essential oils can be used as essences in the bath or in vaporisers. They can also be used to make up your own massage blends having first diluted them in HealthAid massage oil base or lotion base.