KeratinMany times we come across the word keratin on the packaging of various products or in the media. However, the term is not part of the dictionary of the Royal Spanish Academy (RAE).

The correct concept in our language is keratin, derived from the Greek keratinē. Keratin, therefore, is a wrong word that is made with a misspelling.

Keratin, in short, is a protein that stands out for its high sulfur level. It is an essential component of the superficial layers of the epidermis vertebrate animals and parts derived from these layers, such as hairs, the some, the horns and the pens.

Like all protein, keratin is a macromolecule (a molecule characterized by its large size) that is formed with linear chains of amino acids. In the case of alpha keratin, its amino acid chains have cysteine ​​monomers that produce disulfide bridges. The beta-keratinOn the other hand, it has very little or no cysteine ​​at all.

Thanks to keratin, various structures of the body they acquire their hardness and resistance. Keratin, for example, is a very important element of the hair: in fact, each hair is made up mainly of keratin.

Therefore, when hair is damaged for multiple reasons (such as chlorine from a pool, the chemicals from a shampoo or the heat from an iron), it is possible to perform a keratin treatment to regain its strength.

The keratin treatment is ideal to style hair more easily and leave frizz behind. For those who wish to show off a smooth, shiny and easy-to-comb hair, the use of this protein is highly recommended. Repair and nutrition Hair are tasks that many people overlook, but especially with the arrival of old age they come in handy.

Through a keratin treatment we can repair hair fibers, nourish each hair from root to tip and give it a silky appearance, while protecting it from external agents that threaten its condition, such as products chemicals and straightening irons.

It goes without saying that the keratin treatment also has disadvantages, as with any other. For this reason, it is convenient to know them before venturing to apply it to know if their Benefits they compensate us. Let’s see a list of its disadvantages below:

Keratin* if it contains formaldehyde, thanks to which a permanent smoothing is achieved, it is important not to inhale it or allow it to come into contact with our hands, as it is a toxic product and contains carcinogenic substances;

* the price of each application is usually high, and the total duration of its effect it can be three to six months. This supposes a high investment per year for those who want to do it without interruptions, although it is not advisable to prevent the hair from resting from these products;

* the treatment Keratin is not suitable for any type of hair. For example, considerable results are not seen on fine hair with little volume, and it could even break. In addition, during the first days after application it is not recommended to collect, dye or bleach the hair;

* some people are prone to allergic reactions from scalp and eye contact with keratin. To minimize this risk it is advised to be applied by an experienced professional.

Because certain keratins appear in higher than normal amounts in patients with certain types of Cancer, the measurement of the level of specific keratins in the bloodstream contributes to the planning and evaluation of treatment against oncological diseases.