Before the advent of perm in the early twentieth century, women sought to improve their appearance by shaping curls and curls with curlers. The breakthrough came in 1905, when Nesser invented an apparatus for hairdressing operations of this kind. It consisted of metal rods, on which the lady's strands were wound, treated with a solution of sodium hydroxide, after which the "curlers" were heated with a current. The first curling experiments were not always successful, because. often accompanied by burns of the skin and completely damaged hair. The first "victim" of this process was the curls of K. Nesseser's wife, on which he checked the operation of his device. Things are different these days.
Today there are many types of perms. Among them, there are operations in an acidic environment (stable curls are formed, but the effect on the hair is very strong), alkaline (lasts up to three months, does not injure curls), the formation of hairstyles using neutral solutions (very mild effect, waving optimally affects the hair on any plot).
Among chemical perms, an operation performed using acids from the thioglycolic group stands apart. It can be carried out even on dyed hair, because. preparations do not give excessive swelling of the strands, which allows you to maintain their quality. Also, a perm based on amino acid products gives a good effect. She already heals injured curls in the course of the process. Note that curls using soft products do not last long and are not suitable for long heavy hair, because. curls in this case will intensively "develop" under the own weight of the hairstyle.
Perm for medium hair is selected based on their condition and quality. If they are dry and the scalp is prone to irritation, then it is better not to order acid chemistry. With straight and hard hair of the oriental type, the alkaline option will not work, because. he will last a month and a half at most.
How hairstyles will look after applying perms also depends on the method of winding. It can be processed into curls (they give curls similar to natural ones), into a pigtail (you get a wavy “mane”), into a hairpin (curls will look like curving snakes, suitable for short and medium lengths). A “twin” cheat can give an interesting effect, because. part of the length is wound horizontally, and part - vertically. For short, weak hair, chemo can be done at the roots to increase volume.
Large perm, photo of whichpresented in the article, can be obtained using special curlers (Olivia Garden), which, in combination with special preparations, give a hard curl (for medium-length hair). It is also possible to model the appearance using wellformers, which are latex bags in which curls are curled by compression (low resistance, the hair at the root remains straight).
