Biological Vehicle 

Aloe Vera has great penetration power and acts from deep inside. It reaches the bottom most layer of the skin and increases blood flow to the skin and acts from deep inside. Aloe Vera is able to move through the surface of the skin to the vascular dermal area.
Not only that, it carries along with it other nutrients and medicines wherever required in the human body, while making them more effective. Aloe vera contains water soluble and insoluble compounds, which makes it a good carrier for all kinds of drugs-water-and lipid-soluble compounds.