Before entering fully into what is the establishment of the meaning of the term keratin, we can proceed to know its etymological origin. Thus, we come across the fact that, as established in the Dictionary of the Royal Academy of Language, it derives from Greek. More exactly it comes from "keratine," which can be translated as "horn."
The keratin it's a kind of protein that contributes to hardening of the skin's superficial layer and of hair , the feathers , the hooves , the horns and others derivatives . It has a high amount of sulfur and a structure that qualifies as high school , since this bioprotein takes a spiral shape when folded on itself.
According to the components, it is possible to differentiate between different kinds of keratin. The keratin alfa includes cysteine monomers that form disulfide bonds. These bridges They give great resistance: thanks to the presence of keratin alfa, the nails and horns of animals are so hard.
The beta keratin , on the other hand, it does not have these links since it lacks cysteine. It is a protein that cannot be extended and that appears in structures such as fabrics That spiders weave
It is important to note that keratin alfa can become in beta keratin. For this we must apply certain treatments that modify the chains and protein bridges, at least temporarily.
Thanks to these properties, keratin treatments for hair They are very popular. They are used to straighten and moisturize the hair, having the advantage of not causing damage to the scalp unlike other treatments. The application of keratin in the hair also manages to strengthen and repair it, avoiding breakage.
Currently there are many people who do not hesitate to resort to the treatment of keratin to straighten their hair. And that brings both advantages and disadvantages. Specifically, regarding the aspects in favor, the following stand out:
-You can significantly reduce the problem of hair frizz.
-It is achieved that, at a minimum, the mane can boast of being perfectly hydrated for three months.
-Not less important is that keratin helps the hair to be unchanged, although it may be exposed to changes in moisture, snow, rain or temperature.
-Of course, you also have to take into consideration that the hair manages to be more radiant and shiny.
On the other hand, those who highlight their aspects against highlight the following:
-Some of its components may be harmful to the hair.
-The price that currently has a treatment with keratin is usually high.
-Treatments of this type of substance must be carried out every three or four months approximately.
-After undergoing keratin, the person can not wash their hair until three days have passed and can not use rubber or other accessories for the same until two days have elapsed.
There are foods Finally, they are rich in keratin, like certain yogurts and jellies. In this way you can incorporate benefits for the skin , nails and hair through food.