2023-10-22 00:30:00
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It has been shown that signs of skin aging can be recognized through reduced wound healing ability, dry skin, and easily dropped body temperature.
According to Health Chosun on the 20th, as the skin ages, the growth rate of skin cells slows down and wound healing naturally slows down. When a wound occurs on the skin, skin cells begin to divide to fill the damage to the tissue in that area. In this process, damaged skin tissue is regenerated to its original state. As you get older, new skin does not grow easily on the injured area, and scars do not disappear easily.
Also, the skin dries easily. Skin is a kind of protective shield that protects our body from external harmful substances. The stratum corneum of the skin is responsible for most of these protective functions. As the skin ages, the stratum corneum becomes thinner and the skin barrier function deteriorates. The skin barrier plays a role in protecting moisture in the skin. Therefore, the skin dries easily and harmful substances can be absorbed through the skin.
Body temperature may drop easily. The subcutaneous fat layer refers to the fat accumulated under the skin and between the muscles. In particular, it functions to prevent body heat from being dissipated and regulate body temperature. As the skin ages, the ability to synthesize lipids in fat cells in the subcutaneous fat layer decreases, and the thickness of the fat layer also becomes thinner. As a result, the temperature regulation function is weakened.
To prevent skin aging, you must make it a habit to abstain from drinking and smoking. Alcohol depletes moisture in the body, dilates blood vessels in the skin, makes the face red, and dries the skin. Cigarettes promote photoaging caused by ultraviolet rays and destroy factors that create elasticity.
In addition, you must maintain appropriate indoor humidity to prevent your skin from drying out. When the skin lacks moisture, cell regeneration ability decreases and elasticity decreases. This is because the moisture retention ability of natural moisturizing factor (NMF) present in the skin’s stratum corneum decreases as the atmosphere dries.
It is also important to use sunscreen consistently. Ultraviolet rays penetrate into the dermal layer of the skin and destroy elastic cells, which leads to skin aging. Even if you wear a mask, ultraviolet rays can penetrate your skin, so it is best to wear a mask following applying sunscreen.
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