In recent years, beauty oils have become increasingly popular. Recent surveys indicate that more than half of American women use or intend to use beauty oils within the next year. In the sample of people who are using oils, more than half use them both morning and night.

Are oils becoming so popular because of their health benefits? Marissa Von, a TV beauty expert, says people are discovering their many benefits to keeping their skin healthy. No matter which oil you choose, oil-based...