1. The functions of the wetting
The function of wetting is to break the hydrogen bonds, where the hair will soften, making it easier for the revamped into a new form. Preferably in wetting the hair with wet road benarbenar wash hair shampoo wear adapted to the type of hair is concerned so that the cosmetics will apply to function properly.
When straight hair moistened, drawn or rolled by rolling the hair and then dried so that it becomes the shape of the curls, then technically it is said that the position of the hair keratin molecules from Alpha keratin is changed to beta keratin. Conversely, if because otherwise the hair back to its original form, it is said that the position of the keratin hair from beta keratin back to Alpha keratin. Thus, Alpha keratin is the original form of hair keratin molecules, whereas beta keratin hair keratin is a State which was already interested and modified form.
Water has always been used in the process of pratata. Whether in washing the hair or in the blend setting lotions are used. Water is charged to the hair will go into the skin through the cracks of hair imbrikasi. The water molecules will urge the molecule of hair, so the distance between the molecules of keratin hair becomes greater by the completion of the water molecules. It makes the hair shaft becomes fluffy and its density will be reduced so that the hair becomes more tender. Water also serves as a lubricant substances which facilitates the occurrence of hair keratin molecules shift from Alpha to beta position. The presence of water in the skin hairs will help pull style reached a position change of intra molecular.
2. The function of withdrawal
Withdrawal function in the process of pratata is to change the alpha keratin into beta keratin, according to the direction of penggulunganya. This occurs when hydrogen in alpha when it is still in a State of broken. Pull the hair is combed straight up away from the from the scalp, there gathered at the ends in an upright position.
3. scrolling Functions
Scrolling hair with rollers are basically is withdrawal of the hair by following a certain direction. There are 2 kinds of styles that move counterclockwise against the hair is rolled up in rollers. The top of the hair shaft, there is a pull-style lead to hair keratin stretchable. While the bottom of the hair shaft going style press to squeeze the hair keratin so dense. There was a great shift-shift-molecular keratin hair in line with the direction of passage of the second fruit of the styles above. Such a shift in this process will be continued until the hair becomes dry and achieved a balance in a new form.
Although this is a pratata of action that serves to prepare and help Setup, therefore pratata can not stand on its own as it is with trimming and reordering, but to be able to produce a quality Setup and matching, the basics of this pratata need to be understood.