Today, a patient with problem skin, namely dry skin, can go online, and seek information on the best facial moisturizer. Once he or she has examined the information on several web sites, then that same patient can better choose the best moisturizer for face dryness.

Selection and purchase of the best facial moisturizer was not always such a simple process. The early emulsions for the face did not come close to the quality of the best moisturizer for face problems of the 21st Century. Those early emulsions treated skin that had been exposed to sun, wind and cold. Present day moisturizers must treat skin that has been exposed as well to air conditioning, to central heating and also to the synthetic chemicals in so many of the make-up products that retailers now advertise.

Today, biochemists know much more about the various types of tissues in the skin. Medical scientists also know that an effective moisturizer needs to improve water retention in the epidermis, particularly in the group of tissues called the stratum corneum.

Today, chemists have improved upon their ability to make oil-in-water emulsions. Moisturizers, like salad dressing contain both a watery part and an oily part. Yet the makers of moisturizers do not want those two parts to separate, like they do in a bottle of salad dressing. Today, the makers of moisturizers can better guarantee the ability of a moisturizer to hold its watery part and its oily part together.

Thanks to the efforts of biochemists and chemists, the best facial moisturizer of today performs much better than the moisturizers of the past. Thanks to studies done in Research and Development labs, the best moisturizer for face problems of the 21st Century protects endothelial cells in the face against a host of different environmental factors.

Exposure to such factors can accelerate the aging process. Today, an increasing number of older adults use a moisturizing product on their face. When those adults have selected a moisturizer with care, they purchase one that can stimulate the production of collagen and elastin. How can an older adult benefit from a skin care product that simulates skin cells to make collagen and elastin? Those two proteins are present in all healthy endothelial cells. Yet as skin ages, it looses its ability to manufacture collagen and elastin.

Why is that significant? That is significant because collagen has fiber-like characteristics. Collagen provides cells with added strength. When skin cells contain an adequate amount of collagen, then they feel firm to the touch. When those same cells lack collagen, they can start to wrinkle and sag. The absence of collagen in aging cells accounts for the development of wrinkles and sagging skin on older adults.

While collagen can strengthen the cells on the face, collagen alone can not prevent aging of the skin. Young and healthy endothelial cells make elastin as well as collagen. The elastin in skin cells gives those cells an important flexibility. When those cells get pushed or stretched, they can return to their original position on the body.

When an older adult uses a skin treatment knowing that it's the best facial moisturizer and can stimulate the production of collagen and elastin, then they can feel rewarded each time that he or she looks in the mirror. Each glance will highlight the extent to which the endothelial cells on the face contribute to creation of a vital and youthful appearance.