Keratin is an insoluble protein found in epidermal tissues, such as skin, nails, and hair, and it is what helps give them strength, structure, and resilience to protect against damage and trauma (1) (2). For that reason, keratin supplements has shown to have a positive role in our beauty and health. That’s important for many reasons. One, it helps improve your overall glow, as we all know how much skin, hair, and nails can have an effect on how we look. Best of all, you don’t have to think of the protein as just keratin for hair or nails, but other things as well. As a matter of fact, keratin has also been shown to be a strong aid when it comes to wound healing. 

keratin supplement is meant to strengthen your hair while creating shine, make your nails more stronger, and your skin more healthy. There are many types of hair, skin and nail supplements on the market today, and keratin is defently one supplement to consider.

Keratinocytes are living cells present in your skin, which produce a protective layer to provide flexibility and strength to the skin, to prevent excessive outflow of water and to keep external materials out of the body. The protein strand that makes this layer is tough and shaped like a triple-helix and is referred to as keratin. It is the primary ingredient present in hair, nails, skin and enamel of tooth. Keratin can also be found in your internal organs and glands. Keratin is a protective protein, less prone to scratching or tearing than other types of cells your body produces.

Keratin can be derived from the feathers, horns, and wool of different animals and used as an ingredient in hair cosmetics. Since keratin is the structural building block of your hair, keratin supplements, products, and treatments can help strengthen your hair and make it look healthier and more beautiful.

The technical keratin definition is that it is an insoluble protein found in the epidermal tissues of vertebrae (1). Keratin proteins are tough and fibrous; that’s because they form the structural framework of the cells that line the surfaces of organs, canals, and cavities (these are called epithelial cells). Keratinization is the process in which cells from under the skin convert into hair and nails.



Have you ever wondered what is under your skin? What would happen if your skin could not stick together? Our skin is actually made of three layers; epidermis, dermis and hypodermis. They form a sandwich with three layers; the epidermis and hypodermis are the bread, and the dermis is the middle.

The skin is the largest organ in our body, consisting of several different parts, including water, protein, lipids (fats) and various minerals and other substances. Throughout life, the skin changes. In fact, the skin regenerates approximately every 27 days. It is super important to take care of the skin properly to maintain the health and vitality of this important organ.



Epidermis: The outer layer of the skin that we see and touch

The epidermis is the thinnest layer, but it is responsible for protecting you from the external environment. The epidermis protects us from toxins, bacteria and fluid loss. The epidermis further consists of 5 layers. The epidermis is made up of epithelial cells and specialized cells, better known as keratinocytes. These cells, which are formed in the innermost layer of the epidermis, migrate up to the surface of the skin. During the migration, the cells mature and undergo a series of changes. It is this process, called keratinization (or keratinization), that makes the different layers different. These cells protect our body and prevent pathogens from penetrating the skin. Keratinocytes, produce the protein keratin, the main component of the epidermis.

The epidermis also hosts two other important types of cells:

  • Melanocytes, which produce your skin pigment, called melanin.
  • Langerhans cells, which prevent substances from entering the skin.


Dermis: The thick, elastic and firm intermediate layer of the skin that consists of two layers

Dermis is the layer that gives your skin fullness. Age and sun can damage the dermis and lead to wrinkles. The dermis consists of a complex combination of blood vessels, hair follicles and other glands. Here you will find collagen and elastin, proteins that provide strength and flexibility and are the essential components of healthy and youthful skin. Collagen and elastin are surrounded by a gel-like substance, which contains hyaluronic acid, and which has a strong water-binding ability and helps maintain skin volume. Fibroblasts are cells you find in this layer, which are the cells that synthesize collagen and elastin. This layer also contains pain and touch receptors.


Hypodermis: The fatty layer

The hypodermis hosts the sweat glands, fat cells and collagen cells, and is responsible for preserving the body's heat (heat-insulating properties) and protecting your vital internal organs (such as shock absorption). Reduction of tissue in this layer contributes to the skin becoming "sagging".

The hypodermis consists mainly of fat cells (adipocytes) that have clumped together in pillow-like groups. Special collagen fibers that contribute to loose and porous connective tissue that binds the fat cells together. As well as blood vessels.




Collagen is an important fibrous protein found throughout the body. Collagen is the most abundant protein in the skin and makes up 75-80% of the skin. Collagen, together with elastin, is responsible for keeping wrinkles and fine lines away, as well as giving structure to the skin and organs in the body. Collagen binds together and supports tissues, including skin, bones, muscles, tendons, cartilage, ligaments and other organs. Over time, both the environment and aging reduce your body's ability to produce collagen, and even elastin.

Elastin allows your skin to regain shape after stretching or contraction. Lower levels of this protein make your skin more wrinkled and sagging. The same goes for collagen, lower levels give the skin less elasticity and on average we lose about 1-2% of the collagen every year after the age of 25! The more collagen we lose, the more fine lines and wrinkles appear, which is why it is important that we work to maintain collagen and elastin levels as we age. We can do this by caring for the body both from the inside and the outside, through a healthy lifestyle.



Keratin is the main protein in the surface layer of the skin and is found in both hair and nails. Keratin gives the skin firmness and is also part of the skin's protective barrier.




To build up the body's levels of collagen, elastin and keratin, it is important to eat foods that contain antioxidants, which help maintain the skin's collagen, elastin and keratin levels - while fighting oxidative stress.


Sun protection factor is not just to avoid skin cancer. UVA (aging) and UVB (burning) rays weaken the skin's "support system" of collagen, elastin and keratin - which accelerates the skin's aging. Protect your skin and keep your skin in the best condition by using sun protection factor with UVA and UVB protection, every day to avoid damaging your skin!


When you eat foods with poor quality, and nutritionally empty calories, it is guaranteed to be visible on your skin. Try to eat foods rich in collagen-boosting ingredients, foods that contain amino acids (eggs, beans and seeds), foods with antioxidants that inhibit damage to your collagen (pomegranate and goji berries are good) and good fats (like walnuts and avocados).


Think of your daily supplements as an insurance that guarantees that you get in you the nutrients you need to look good and be healthy. Make sure you get a dietary supplement that contains collagen along with vitamin C every day, to ensure your body's collagen stores.

It is important to take care of yourself, inside and out, to ensure that the body functions optimally!


Sleep allows the body to process all free radicals, build new cells and repair connective tissue. Because sleep is an ideal time for cellular renewal and overall repair of the skin and other organs, sleep is very important for a beautiful and healthy skin.


Stress in everyday life has unfortunately become a normal part of our society. Stress charges a sky-high charge on your skin and your body. Take a deep breath and remember that the most important person in the world is YOU!

Produced by: Wikinggruppen

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