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interesting facts about human skin

Biologists and doctors have long studied human skin, and it has almost no secrets from us. Despite this, many people still neglect skin care, despite the fact that it is not so complicated, but restoring lost skin health is not so easy. The global cosmetics industry is standing on this – the less people are attentive to their bodies, the more likely they are to become new customers in the future, spending huge amounts of money on cosmetic procedures and various care products, which, by the way, do not always help and not everyone . It is probably much easier and more effective to take care of the skin in advance than to treat it later.

Interesting facts about human skin

Thanks to the subcutaneous fat layer, our skin is not only the largest, but also the heaviest organ of the human body. Without it, the skin would weigh only three kilograms, and with it – up to 20 kg.

Human skin consists of three layers – epidermis (outer layer), dermis (inner layer) and adipose tissue. It is the epidermis that protects us from mechanical damage like scratches.

About 70% of the dermis, consisting of two smaller layers, falls on collagen fibers. But with age, collagen in the dermis becomes less and less, on average we lose about 1% per year.

The skin care product is able to enter the bloodstream in 26 seconds. Everything is absorbed into it really quickly.
If we imagine human skin in the form of one flap, then its area will be about two square meters. However, this is far from the largest organ – human lungs, for example, would be many times larger when unfolded.

Every minute, about forty thousand dead cells fall off the skin of an average adult. This is a normal and natural process.

Most of the dust that is missing in any home consists of dead particles of human skin.
Sweat glands on the skin act as body temperature regulators. An interesting fact: most of the sweat glands are located on our feet, palms and foreheads, and not at all in the armpits.

Genetics play a role in this matter. For example, native Africans and Europeans, on average, have more sweat glands than native Asians.
Of all the organs of the human body, the skin is the heaviest. On average, it accounts for about 16% of our total mass.
Full renewal of skin cells in an adult occurs in 26-30 days, and in newborns it is updated in just three days

The skin has a different color at birth. Even for dark-skinned people, children are born lighter than adults, and darken in the first few days after birth, when the blood circulation spreads the pigments over the skin.

The thinnest skin is on our eyelids, where its thickness is measured in hundredths of a millimeter. And the thickest is on the feet, in some people on the heels it reaches almost 0.5 cm in thickness.

Sebum is by no means a bad thing, as those with oily skin used to think. It acts like a natural cream on the skin, that is, it protects it and fights the spread of bacteria.

The only places on a person that never sweat are the base of the nails, the lips, the eardrums, and the tip of the penis.

On a hot day, you can sweat up to 13 liters of fluid. In such conditions, you need to drink a lot, as dehydration can be harmful and even dangerous for the body.

Initially, all of humanity was darker-skinned than it is now. And only about 50 thousand years ago, during migration to northern latitudes, the level of melanin pigment was reduced by evolution.

The total weight of all skin particles shed by a person during an average life is 16-18 kg.

The skin for all the time of a person’s life is updated about a thousand times.
During the day, the sebaceous glands secrete up to 20 grams of sebum, which mixes with sweat and thereby creates a protective film.

About 70% of the mass of healthy skin in the normal state is water. Therefore, different moisturizers for her are so popular.

Good sleep helps skin stay young longer. Interestingly, a sleep hormone called melatonin plays a major role in this.

On the skin of each person there are invisible stripes, they are called “Balashko Lines” in honor of the dermatologist Alfred Blaschko, who discovered them in 1901. Under normal conditions, these lines cannot be seen, they become visible only with certain skin diseases.

Washing, every time we remove sebum from the surface of the skin – a protective film. So, of course, you need to wash your face, but not every half an hour or an hour.
Freckles on the skin indicate that the level of melanin in the body is reduced, and it is extremely vulnerable to ultraviolet radiation. Interestingly, with age, freckles in many people go away.

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