There is a range of different carrier oils, each with a various therapeutic properties. Choosing an oil will depend on the area being massaged, the presenting conditions and the clients sensitivity and requirements. For massage, viscosity is a major consideration;
for example, grapeseed oil is typically very thin, while olive oil is much thicker. Sunflower, sweet almond and grapeseed oils have viscosities midway between these extremes. Carrier oils can be easily blended to combine their properties of viscosity, acceptability, lubrication, absorption, aroma and so forth.
Food provides a range of different nutrients. Some nutrients provide energy, while others are essential for growth and maintenance of the body.
Infused oils are a combination of a carrier oil and plant material and they can be either commercially or domestically prepared. A base oil, often sunflower, is placed in an airtight container with the appropriate plant material for a time. Calendula and carrot oils are produced in this way.
Sources passionately disagree on the suitability of mineral oil as a carrier oil. In the United States, food grade mineral oil is highly refined and purified to meet the stringent requirements of the FDA. Mineral Oil marked as "USP" also meets the standards of the US Pharmacopeia.