Moisturizers are designed to replace natural skin oils that normally form a barrier to prevent water evaporation from the skin. If you have oily skin, you probably don't need a moisturizer. If you have dry skin, combination skin, or even a normal skin, you will need to use a moisturizer after washing your face and before applying makeup. Moisturizers are especially beneficial if the humidity is low, as happens when cold weather and central heating create dry environmental conditions, and if excessive bathing strips away too much of your natural sebum, creating dry, cracked skin. Occlusives are oily substances, such as petroleum jelly, mineral oil, and lanolin.
Humectants are substances that attract water and include glycol, glycerin, sorbitol, and gelatin.
Many of the moisturizers on the market today contain urea, a chemical that effectively binds water to the skin but may be irritating to some women. It's not necessary to spend a lot of money. In the final analysis, your skin is best maintained by a nutritious diet, commonsense hygiene, and basic skin care. Care of the Hair From the medical point of view, hair is superfluous. It provides insignificant protection from the sun and does not insulate us against heat and cold.