The structure and tone of our hair are determined by genetic factors, just like the color of the eyes or the size of the nose, for example.

The shape of the hair, smooth or curly, depends on the manner in which the disulfide bonds between the keratin molecules are established. In the straight hair the disulfide bridges between the alpha-helices of the keratin are set at the same level, whereas in the curly hair the bridges establish connections between regions that are situated at different levels, as when we badly button the buttons of a jacket.

The hair is formed, roughly, by two concentric sections. An outer layer or cuticle, which serves as protection and is formed by dead cells that overlap like scales or tiles on a roof. And the inner layer, where are the pigments that give color to the hair and most of the keratin that gives it shape.

A hair will be smooth, curly or wavy depending on the specific chemical structure of your keratin. This molecule is a fibrous protein. Proteins are made up of basic units called amino acids. There are 20 types of amino acids and they form all the proteins that make up our body

In the specific case of keratin, the arrangement of the amino acids that form it will determine the final appearance of the hair. In the hair, the keratins are joined together like a ladder. Handrails are keratin proteins and steps are chemical bonds. If the steps are straight, the hair will be smooth, but if they are diagonal the keratin fibers become spiral-shaped and the hair's appearance will be curled.

THE MIRACLE OF PERMANENT

Thanks to the permanent it is possible to go from a straight hair like a table to a curl of the afro.

It’s posible because the permanent is a hairdressing technique that curls the hair through reagents that break the disulfide bridges of natural straight hair and establish new ones in different regions.

It consists of breaking the chemical bonds formed between different keratin molecules with a series of chemical compounds. Once they are loose, it is possible to rearrange them.

Then the proteins are placed in the desired shape - with curls if desired to be curled - or kept straight - if desired smooth - and then, thanks to another chemical, the bond between the keratin molecules previously broken.

ADVANTAGES OF SMOOTH HAIR

1- BEST HAIRSTYLES

Many stylists believe that smooth hair is easier to comb. If you have a wedding, party or event and you have long hair is much more likely to find a hairstyle chord and look like a goddess.

2- THE RAIN IS NOT A PROBLEM

Undoubtedly this is an advantage with the smooth, and is that they do not have to go out to seek shelter or worry about discovering a shower simply because smooth hair will not lose its shape and as soon as it dries naturally it will be as if Nothing would have happened.

3- LESS FRIZZ

Smooth hair tends to have less frizz, or at least tends to notice less. We all know that no matter how small we go, there is nothing like natural hair or permanent well-kept.

4- HORSETAIL

One of the benefits of straight hair is the famous ponytail. A classic that we love all. If you have wavy hair it is impossible that it looks good.

5- 10 MINUTES OF DRYER

Lists in ten minutes! The smoothies are so lucky: only a few minutes of hair, a brush and ready.

ADVANTAGES OF CURLY HAIR

1- LESS ABUSE

Curly hair does not need irons to smooth it or curlers, because just washing and combing a little, it will be ready. Remember to be careful with the shampoo you choose and only use the one that is suitable for your hair.

2- SAVE MONEY

Having curly hair mean a saving of money, especially if before you were looking to have straight hair. Undoubtedly, the amount of products to smooth the hair, gels and irons will decrease and you’ll begin to love your hair.

3- EQUAL TO GREAT PERSONALITY

Curly hair is a symbol of a person with great character : it will attract attention wherever you go.

4- HIDE OTHER FAILURES

It is an excellent weapon of distraction that can be perfect to hide other areas of your face, which are not satisfied. Curly hair will prevent people from paying attention to other details, such as dark circles, premenstrual acne, if you wear glasses or if you have horrible earrings.

5- OWN STYLE IN 5 MINUTES

Unlike women with smooth hair, those who have curls have the possibility to get out of bed and be ready in a couple of minutes, as they do not need much time to comb, nor lacquer that leaves hair sticky.

Curly hair styles is not a narrow term as it there can be various shapes, forms, structures, length for styling the hair. Those who are born with curly hair have a large choice for styling hairs.

The types of hair varies for curly hair styles some curls are tight some are loose, some have soft curls with different lengths or spiral curls.

People with natural curls hair style have an advantage over those which have straight hair style as it look different in the crowd of people with straight hair.

Because it is different it also have different requirements, the curls need more nutrients as its stand far away from the roots. It need extensive care as without it hair looks frizzy and dry.

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