The skin on your face is constantly exposed to air and pollutants that rob skin of moisture. Old-fashioned petroleum jelly has been used for decades as an inexpensive moisturizer. It works by sealing in moisture, but it’s greasy and heavy.
Moisturizers with emollients and humectants hydrate the skin without the greasy effect. Humectants help retain moisture while emollients help soften and soothe skin. Together, they can temporarily minimize fine lines around the eye or on the neck.
Many skincare products both moisturize and provide anti-aging benefits, dermatologist Doris Day, MD, says.