A fatty acid that is required by the human body that can not in reality be produced by the body. The two types of essential fatty acids are Omega-3 and Omega-6. Both Omega-3 and Omega-6 are obtained from food or from supplements.
Daily Hair Tip
Professional hairstylists often use a "rat" to create a full French twist or updo. A rat is a special form used to wrap hair around.