We all want to have healthy, radiant, and beautiful skin . But sometimes we get acne, dry skin, or wrinkles as we age. What exactly is our skin? What should we do to keep it healthy? This is a very important topic, because the skin is like a mirror of our health. So today we will talk about this simply, in a way that you can understand.
First, let's see what skin is.
Simply put, your skin is the largest organ in your body. Isn’t that amazing? The average adult’s skin weighs about 2.7 kilograms. It’s made up of water, proteins, lipids, and minerals. The skin’s main function is to protect you from germs and infections. Your skin is constantly changing throughout your life. In fact, your skin is completely replaced every 27 days . Therefore, proper skin care is essential to keep this precious organ healthy.
What service does the skin provide to our body?
Our skin does more to our bodies than you might think. Let's take a look at what it does.
- Like a protective shield: This is the main thing. It controls the loss of water from the body, prevents the entry of germs like bacteria, and protects us from minor injuries, chemicals , and the sun's harmful ultraviolet (UV) light.
- Helps with immunity: The skin can produce substances that help our immune system, killing bacteria and fungi. The skin also contains cells that alert the immune system to threats to the body.
- Body balance: The skin controls body temperature and water balance. When you feel hot, you sweat, and when you feel cold, you shiver because the skin regulates temperature through sweat glands and blood vessels.
- Vitamin D production: When exposed to sunlight, your skin produces vitamin D. This vitamin is essential for a healthy skeletal system and a strong immune system .
- Sensation: The skin contains millions of sensors that help us detect touch, heat, cold, and pain. This allows us to protect ourselves from danger and interact with our environment.
- A health indicator: By looking at the color and texture of your skin, you or your doctor can get some idea of your overall health.
What are the layers of our skin?
Our skin is mainly composed of three layers. To understand these in a simple way, see the table below.
| Skin layer (Layer) | A simple explanation |
|---|---|
| Epidermis The outermost layer | This is the very thin layer that we see on the outside. This layer protects us from the external environment. It is here that the cells that produce melanin, which gives the skin its color, and the cells that produce keratin, which gives the skin its strength, are located. |
| Dermis Middle layer | This layer is mainly responsible for wrinkles. Blood vessels, hair follicles, and oil-producing glands are located in this layer. Collagen and elastin, which give the skin its elasticity and strength, are most abundant here. The nerves that sense pain and touch are also located in this layer. |
| Subcutis The underlying fat layer | This is the oiliest part of the skin. As we age, this layer thins, which is why the skin sags and wrinkles form. This layer helps retain body heat and protect internal organs. |
3 main proteins for beautiful skin!
There are three types of proteins that are essential for our skin to be healthy and look youthful.
Collagen
This is the most abundant protein in the skin (about 75%). It helps prevent wrinkles and sagging skin. Aging and environmental factors such as pollution reduce the body's production of collagen.
- How to increase it? Eat foods rich in vitamin C (oranges, lemons, bell peppers, broccoli, strawberries). Vitamin C is essential for making collagen. Also, protecting your skin from the sun is very important.
Elastin
As the name suggests, this protein gives the skin a "elastic"-like flexibility. It works with collagen to give the skin strength and shape. This also decreases with age.
- How to increase it? Using sunscreen is a must. Because sunlight damages elastin. It is also good to use creams containing retinoids and foods rich in vitamin A (beef liver, sweet potatoes, spinach, carrots).
Keratin
This is the strongest protein in the skin. It forms the structure of skin, nails , and hair. It also helps wounds heal.
- How to increase it? There is no clear evidence yet that supplements containing keratin have any benefit for the skin. However, you can benefit from eating foods that help produce keratin (eggs, onions, salmon, sweet potatoes, garlic, mangoes).
Common skin diseases and conditions
There are many diseases and conditions that affect our skin. Here are a few of them.
The most important thing is, if you notice an unusual change, spot, or lump on your skin, and you have any doubts about it, don't guess and definitely see a doctor .
| Condition | Simply put... |
|---|---|
| Acne | It occurs when oil and dead skin cells build up and clog hair follicles. It most often affects young people, but some people can have it until their 40s. |
| Eczema (Eczema / Atopic Dermatitis) | A condition in which the skin becomes excessively dry, itchy, red, and sometimes oozing fluid. This can be caused by genetic and environmental factors. |
| Psoriasis | An overactive immune system causes skin cells to divide rapidly, forming red patches with silvery scales. |
| Vitiligo | White spots on the skin appear when the immune system destroys the cells that give skin color (melanocytes). |
| Skin Cancer | A common type of cancer. It occurs more often in areas exposed to the sun. You should be very careful about any new spots or lumps on your skin that change color, bleed, or change shape. |
If you want to maintain healthy, beautiful skin...
Here are some simple, yet very effective things you can do to keep your skin healthy.
- Cleanse your skin daily: Wash your face twice a day with a mild soap (fragrance-free is best). Be sure to remove makeup before going to bed at night.
- Moisturize: Even if your skin is oily, use an oil-free moisturizer. Apply moisturizer to your face and body daily.
- Sunscreen is a must: This is the best thing you can do for your skin. Apply sunscreen even on a cloudy day, even if you're staying indoors. Choose one that is "Broad Spectrum" (protects against both UVA and UVB rays) and has at least an SPF of 15 or higher.
- A good diet: Eat a balanced diet rich in fruits and vegetables. The nutrients in these help keep your skin healthy.
- Drink plenty of water: Drink at least 2-3 liters of water a day. This will help keep your skin hydrated.
- Avoid smoking: Smoking destroys collagen, causing the skin to age and wrinkle more quickly.
- Reduce stress: Stress can worsen conditions like eczema and psoriasis. Exercise, meditation, and getting good sleep can help reduce stress.
- Pay attention to your skin: If you notice a spot or lump on your skin that is different from usual, or if you have even the slightest suspicion about it, definitely see your doctor.
Take-Home Message
- Your skin is the largest organ in your body. It protects you from infection and regulates your body temperature.
- The best and most important thing you can do to protect your skin is to use sunscreen daily .
- A balanced diet, drinking enough water, and avoiding smoking are essential for healthy skin.
- Use a moisturizer daily to protect your skin's moisture.
- If you notice any unusual changes on your skin (a spot, a lump), don't assume anything and see a doctor immediately .
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