The main distinction between moisturizers and oils are their solubility in water. Healthy hair requires moisture. Moisturizers by nature hold onto water. Ingredients that can maintain a high level of moisture and can reduce the rate at which water is lost are glycerin and sugars. Glycerin is a humectant which is an ingredient used to help reduce water lost through retention. Sugars such as honey are also commonly used to hydrate the skin. Aloe, which contains a mixture of is an excellent moisturizer. During the colder months adding ingredients that better seal in the moisture should be used.