Oregon Esthetician State Board

What are fatty acids that have been exposed to hydrogen called?

1. Hydrogenated oils

2. Emulsifiers

3. Horsechestnut

4. Trans fats

The correct answer is: Hydrogenated oils

The term used to describe fatty acids that have been exposed to hydrogen is hydrogenated oils. This process of hydrogenation involves adding hydrogen to unsaturated fats, which transforms them into saturated fats. This modification enhances the stability of the fats, making them less prone to oxidation, thereby increasing their shelf life and altering their physical properties. Hydrogenated oils often have a smoother texture and a more desirable consistency for various food products and cosmetic formulations. In the context of esthetics, understanding hydrogenated oils is important since they are commonly found in skincare products. These oils can create a barrier on the skin and have moisturizing properties, but they may also have implications for skin health in sensitive individuals. Recognizing the effects and uses of hydrogenated oils helps estheticians make informed choices about product recommendations based on their clients' specific skin care needs. Other options, such as emulsifiers, refer to substances that help to stabilize mixtures of oil and water, while horsechestnut is a plant extract used for its potential anti-inflammatory properties, and trans fats are a specific type of unsaturated fat that has been fully hydrogenated. Though at times the terms may seem related, only hydrogenated oils are the direct result of exposing fatty acids to hydrogen, making it the accurate choice