Oregon Esthetician State Board

Which of the following describes lubricant ingredients derived from plant oils or animal fats?

1. Lanolin

2. Fatty acids

3. Mineral oils

4. Ceramides

The correct answer is: Fatty acids

The correct answer is fatty acids, as these are essential components often derived from both plant oils and animal fats. Fatty acids play a crucial role in the formulation of lubricants due to their ability to enhance moisture retention and provide a protective barrier on the skin. They help in maintaining skin's elasticity and softness by replenishing lipids that may be lost due to environmental factors or aging. In contrast, lanolin, which is derived from sheep's wool, is a specific type of fat that behaves similarly to human sebum, but it is not broadly categorized as a plant oil or animal fat. Mineral oils, on the other hand, are derived from petroleum and do not fit the description of being plant or animal-derived. Ceramides are lipid molecules that help restore the skin barrier, but they are not specifically categorized under lubricants from plant oils or animal fats. Thus, fatty acids stand out as the correct classification in this context.