Moisturizers are used by millions of people to restore the moisture level that is found naturally in their skin. As people go through life and face a variety of activities, the skins natural layer of protective lipids gets worn away. The result is dry skin and it can be uncomfortable or painful depending on which degree a person has it. Moisturizers help the skin maintain and repair when the elements dry out our epidermis. They are often complex mixtures of chemicals that come from a large number of ingredients.
Humectants are mixtures of chemicals such as urea, lactic acid, and sorbitol. Some ingredients such as creatinine, amino acids, ammonia, and glucosamine are considered natural moisturizing factors because of their low molecular weight. Emollients are organic substances extracted from wool called lanolin. It acts as a barrier against water loss and softens the stratum corneum by smoothing it out and lubricating it. Other emoolients include hexyl decanol, oleyl alcohol, decyl oleate, isopropyl myristate, and dioctyl cyclohexane. Preservatives are often added to moisturizers to keep bacterias and fungus from growing on them and fragrance is added to give the...