SKIN NEEDS ANTI-AGING
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Understanding skin aging
Aging is a natural process that starts around the age of 25-30 and evolves slowly over time. It is marked by the gradual slowing down of the body’s metabolism and affects all the systems and organs of the body, including the largest one, the skin. It should be noted that there are two types of factors that affect aging:
1
Intrinsic factors or chronological aging are the consequence of the passage of time, which affects all living organisms and depends on genetic and physiological factors. It can also include pathological factors
Extrinsic factors are factors related to environmental conditionsand the person’s lifestyle. Specific factors include sun exposure, smoking, diet, emotional stress, oxidative stress, pollution and toxic substances to which the skin is subjected to
2
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UV radiation and aging
UV radiation is one important factor of extrinsic skin aging. When comparing the areas that are usually exposed to sunlight, such as the face, the neck, the forearms and back of the hands, to the areas that are generally covered, the damage caused by the sun can be apparent. In these areas, skin wrinkles, marks and various UV-induced skin lesions can develop. Resistance to UV aggression varies greatly depending on the phototype. People with light or fair skin tend to age more rapidly than people with dark or matte skin.
Food and aging
Smoking and aging
Smoking is yet another factor in aging, both through direct smoking and second-hand smoking. Cigarette smoke contains a lot of harmful chemicals emitted through the combustion of tobacco that alter the elastic fibers of the skin and increase the production of free radicals worsening oxidative stress. These chemicals are far worse than nicotine. They enter the bloodstream and act on the vascular level thinning out blood vessels and reducing the nutrition levels of all organs, including the skin. With a lack of nutrients, the skin’s defenses are reduced and the effects of skin aging start to appear. Moreover, the muscle movement related to cigarette smoking accelerates the formation of wrinkles around the lips and the heat generated from tobacco burning will damage the skin cells closest to it.
Emotional stress and aging
Emotional stress and lack of sleep are major energy consumers and reduce the body’s ability to regenerate and defend itself. They lead to increased production of free radicals and accelerate aging.
Oxidative stress and aging
Oxidative stress is one of the major causes of skin aging. This biological phenomenon is generally caused by free radicals which damage the structures of the cells (DNA, membranes, proteins…). Under normal circumstances, the body produces free radicals during the metabolism process but cells have a defense system to counteract their effect. With time, the cells’ defense mechanism starts to decrease and the aging process accelerates.