There are distinct differences in the two formulations. Moisturizers also contain preservatives and additives. They must contain preservatives because all water based products run the risk of being contaminated by bacteria. Collagen and elastin are proteins that hold moisture, which are essential parts to normal skin. Mucopolysaccharides are also natural components of skin that help retain moisture.
Liposomes are synthetic pellets that are supposedly able to carrier oils into the skin.
Most oils contained in lubricants have the same effectiveness even though they may have slightly different properties. Oils such as vegetable, mineral or tropical have all been used in moisturizers. Animal fats are another type of oil that may be found in emollients. Animal fats are inexpensive and easily available. Petroleum-based products should not be used on acne prone individuals due to its ability to cause acne formation.