Carrier Oils

Carrier oils are fixed oils unlike essential oils which are volatile and unstable in chemical makeup. Carrier oils are made of a compound of glycerol + fatty acids.
A fixed oils is a glyceride and is derived from animal and vegetable sources. These can become rancid as when exposed to the air the gycerides turn into fatty acids.
All carrier oils contain esters which are anti-inflammatory, calming and are nourishing to the skin. Used with essential oils for massage.