Well-groomed and, accordingly reviews, effect forum, turned hair is an integral part of a well-groomed appearance. Stress and unsanitary lifestyle accelerate and enhance gray hair, in essence, the process is natural and inevitable. It is the desire to hide the gray hair is the main reason why we go, GrayOff User guide 2020 take hair dyes. Hair dye originated in the early twentieth century. in France, in the laboratory of Eugene Schueller ” and was cream, ingredients called L’aureale. From her she took herself well we know the name L’oréal.
The then hair dye consisted of 4 components: aniline, silver nitrate, pirogalolu and lead acetate. The risk of using aniline was already known in those days, but it is estimated that the side effects occur only in “OK”. 5% of users, hence Schueller openly performed on the packaging performing the sensitization test. Today, aniline, halogen and sulfonated derivatives where to buy? Kenya, manufacturer of aniline and its salts are included in the list of compounds prohibited for use in cosmetics in accordance with the regulation of the European Parliament and the Council .
GrayOff skin renewal excellence, cream, ingredients – how to use?
Table of contents
Before the father GrayOff skin renewal excellence of the concern L’oréal developed a recipe for hair dye, chestnut brown color was obtained thanks to henna. Henna, or powdered leaves of lawsonia (Lawsonia inermis L.), was already known to the ancient Egyptians and Masai. Other natural sources of dyes, for example: walnut shells cream, ingredients containing juglon, Indigo or oak shoots. The ancient Romans used donkey or veal blood potions cooked in olive oil to hide the gray hair.
Way to change the color of hair was also soaking lead ridges in sour wine or applied how to use? to the scalp mixes with the contents of arsenic and cadmium, today is absurd, given the toxicity of the mentioned heavy metals.
The requirements cream, ingredients that today puts hair dyes, it is, above all, safety – paints can not irritate, cause allergic reactions, in the composition of paints can not be exceeded the permissible values of heavy metals. In addition, how to use? they should be resistant to environmental factors, appropriate degree of opacity and provide a lasting GrayOff skin renewal excellence effect.
GrayOff reviews, effect – results, forum
The market of paints for hair
Generally speaking, GrayOff reviews, forum products for hair coloring are divided into three types: paints for coloring durable, półtrwałej and preparations washable, remaining on the hair up to eight wash. Products for painting durability are sold best, effect – results they make up 90.7% of the category. Sales volume of hair dyes in the period may 2012. – April 2013. it was about 0.5 billion UAH.
Hair coloring is no longer the prerogative of salons, hairdressers, this process can be successfully performed at home. Preparations for home hair coloring take a character cream or foam. The thick consistency of the cream and a special effect – results applicator allow you to accurately distribute the drug, and the foam is convenient for coloring long and thick hair.
The mechanism of dyeing hair
Hair color is due to the presence of pigments of eumelanin and pheomelanin, produced in melanocytes. The first pigment in reaction with tyrosine GrayOff reviews, forum shows black or brown color, the second determines yellow color.
GrayOff price, for sale
For a stable change in hair color, GrayOff price synthetic oxidizing dyes are used, they are colorless compounds that react with each other in the presence of an oxidizer, giving as a result wysokocząsteczkowe color relations. Dyes are synthetic, can be divided into sources and connecting factors. The process of oxidative staining takes place in an alkaline environment, outside the isoelectric point of keratin.
Oh ions – lead to swelling of keratin, dissolve the lipid coating and open the follicle scales, and all this facilitates the penetration for sale of the dye components into the hair fiber. The compounds used in the process of oxidative dyeing of hair, include aromatic diamines, PPD, paraminophenol and resorcinol.
Aromatic diamines, when penetrating into the swollen keratin, undergo an oxidative process, at the next stage, for sale the oxidation products of diamine are combined with other low-molecular components, forming high-molecular color compounds. So there was a dye molecule too large to diffuse from the inside of the hair, and therefore it is impossible to remove it by mechanical methods. As the factors that bind the oxidized form of aromatic diamine, you can use, for example, an excess of diamine used in the first stage of hair coloring GrayOff price or other aromatic diamine.
GrayOff where to buy – online?
The process of semi-permanent hair coloring GrayOff where to buy is carried out most often with the participation of dyes: nitro, Azov or anthraquinone, and short-term coloring is carried out with aniline dyes that do not penetrate into the hair, and are adsorbed on its surface.
Lightening of hair is possible online? as a result of oxidative destruction of melanin. The process takes place in an alkaline environment, which increases the degree of hydration of keratin, thereby facilitating the access of the oxidant and causing the compression of melanin. A side effect of the process is the oxidation of sulfur in keratin disulfide bridges for permanent disulfonyl bridges.
Care for colored hair
Hair coloring has a negative impact online? on their condition. Baking powder glide the hair scales, disrupt their tiled structure, making the hair weak, prone to dryness, mechanical damage, more fragile. Shampoos, conditioners and hair masks contain conditioning factors that have the task to return the hair Shine, smoothness GrayOff where to buy and the correct level of moisture.
GrayOff in Kenya – manufacturer, Amazon
Cationic compounds, surfactants, GrayOff in Kenya which include, in particular: Behentrimonium Chloride, Cetrimonium Chloride, or Quaternium-22, carry a positive charge, having an affinity to the negatively charged centers on the surface of the hair, and prevent the effect.
In addition, these compounds cover the surface of the hair with a smooth lipophilic film. In the composition of cosmetics intended for hair care, manufacturer, Amazon colored find: natural oils, ceramides, proteins, plant extracts and are associated with undeservedly bad reputation, silicones provide Shine and softness to the touch, as well as substances that protect against blednięciem color and damage caused by UV radiation.
As a factor that restores hair after lightening procedures, panthenol is used, which perfectly penetrates deep into the hair fibers, manufacturer, Amazon providing an optimal level of moisture. Recent reports relate to the possibility of using biofilms created by microorganisms as a means of damage caused by chemical factors.
Hair coloring is controversial because of the obsessive effect on the hair fiber, so the cosmetic industry is constantly working GrayOff in Kenya to develop new technologies that increase safety and reduce damage to the hair fiber.