Time For Some Skin 101!
Your skin is your body’s biggest organ, and it serves a variety of tasks. It’s a living, active tissue that protects us against toxic bacteria and viruses, ultraviolet radiation, and inflammation. It also shields us from noxious surfaces and temperatures. It’s your primary defense against the outside world. Beyond its appearance, the skin plays an important role in the body’s biochemical and metabolic activities.
Today, we will dive into the science of our skin so that you can fully understand how the skin functions and how you can care for it.
The epidermis, dermis, and hypodermis, often known as subcutaneous tissue, are the three primary layers of the skin. Each layer has its own set of characteristics and advantages.
EPIDERMIS THE VISIBLE LAYER
The epidermis, sometimes known as scarf-skin, is the visible external layer of skin that provides protection to the body. It’s also here that we get a sense of touch. This layer has no blood veins and must rely on the surrounding layers for nourishment.
Keratinocytes, which make up keratin, a strong protein found in hair and nails, make up the majority of the epidermis. Keratinocytes, melanocytes, Merkel cells, and Langerhans cells are the four different kinds of skin cells that originate in the basal layer of the epidermis. They move to the surface from here.
When cells reach the surface, they are removed and replaced by fresh cells migrating upward. As we become older, the movement slows down, causing the surface to become dry and dull, with a harsh, uneven tone and texture.
Melanin is produced in the basal layer of the epidermis, where melanocytes are present, and defines our skin colour. Melanin shields us from the sun’s damaging UV radiation, which breaks the DNA of skin cells, speeds up ageing, and may even cause cancer.
Langerhans cells are also found in the epidermis. These cells, which are part of the immune system, detect foreign substances and diseases, as well as allergic responses. The epidermis is water-resistant, preventing germs, viruses, and other hazardous substances from entering the body. It protects us from harm and keeps us healthy on the inside.
The thickness of the epidermis is determined by the amount of excessive wear on a certain body part, such as the hands or the soles of the feet. On the soles of the feet and hands, the epidermis is thicker, whereas the eyelids have a thinner epidermis. The thickness of your epidermis can also be determined by your genetic makeup. People with darker complexions, for example, have a thicker epidermis, which provides them with more sun protection.
THE SKIN GAME HAPPENS IN THE DERMIS
Much of the magic happens in the dermis, at least in the skin. The dermis is the second layer of skin, located directly underneath the epidermis. These two layers are connected by the epidermal-dermal junction. The dermis includes blood capillaries that feed nutrients to the epidermis and also assist in the disposal and removal of waste.
The dermis is made up of thick dermal connective tissue that is majorly woven with collagen and elastin. It protects the body by acting as a cushion, keeping it flexible and supple. The sweat glands are found in the dermis. They produce sweat via your pores, which cools the body while also removing impurities.
The hair follicles (where your hair is attached) and oil glands, which generate the oil that softens and helps smoothen the skin — sometimes overly vigorously, resulting in breakouts and greasiness — are also found in the dermis. The nerve endings in the dermal layer detect stimuli such as pain, temperature and pressure, and send nerve signals to the brain, prompting the body to react by pulling away and avoiding danger.
DIVING IN DEEP IN SUBCUTANEOUS TISSUE
The subcutaneous tissue is the third layer. This is the skin’s deepest layer, which is composed of adipose tissue or a fatty layer. It’s so deep that your skincare products’ active components will never reach it. The subcutaneous tissue functions as an anchor between the skin and the muscles and underlying organs below the surface, as well as providing insulation to help control our body temperature. It accentuates the contours of our faces and provides softness and plumpness. As we become older, our fatty cushion thins down, and our skin becomes more sculpted and less plump in appearance.
The subcutaneous layer functions similarly to a regulator. It protects the body from extremes and may also be used as a source of energy in a pinch.
Finally, the subcutaneous layer contains additional blood vessels, nerve endings, hair follicle roots, and the deepest oil-producing sebaceous glands.
As you can see, our skin is not only the largest organ, but it is also a very complex organ that serves various important purposes. This makes it all the more important for us to take care of our skin. We must maintain a good skincare routine with organic and natural products that do not cause any harm to our skin. Additionally, we should also include external supplements and nutrition to boost our skin with collagen elastin.
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