Well-groomed hair of beautiful blond color - a dreammany women. And in order to realize this dream, women first need to discolor their curls, and only then, if necessary, perform their toning, giving the right light shade. To light hair, hydrogen peroxide has been used for a long time, today there are a lot of preparations of different brands, but their basis is hydrogen peroxide as before. Preparations are issued in different concentrations. To determine the necessary concentration, you first need to determine what color you want to get as a result, as well as evaluate the structure and quality of the hair. The main indicator is their hygroscopicity, that is, the rate at which they absorb moisture. If they are very poorly wetted with water, then the concentration will be much greater than if they absorb moisture quickly. To brighten thin porous hair, hydrogen peroxide is used with a concentration of 4-8%, and hard, thick - 8-12%. The principle of discoloration is that the hair treated with peroxide is oxidized by oxygen, due to which the pigment, determining their color, turns into a colorless substance. To accelerate this reaction hairdressers use ammonium bicarbonate or ammonia, which should be added in a strictly certain amount, because their excessive use not only does not improve the result of discoloration, but, on the contrary, will worsen it. It is necessary to prepare the solution immediately before the application of hydrogen peroxide to the hair, since the oxygen evolution starts immediately and lasts for a certain time.

How to prepare a solution of hydrogen peroxide?

The amount of peroxide solution requiredhydrogen depends on what kind of density and length of hair. Usually, to lighten the curls of medium length, 50-60 ml of the formulation is required. But it is better to prepare the solution with a small margin to exclude the need to interrupt the application of the formulation, as this can contribute to the unevenness of their clarification throughout the head. You can prepare the solution in porcelain, glass, plastic or enameled dishes. Metal dishes can not be used, as the metal reacts with peroxide and causes decomposition of the composition. A brush for working with peroxide must have a synthetic bristle, since natural very quickly breaks down from the effect of the composition.

How to properly lighten hair?

Before lightening, the hair should not be washed toThe natural layer of fat, which is able to protect them and the scalp, was not removed. Roots decolour much faster ends, because the oxidation reaction under the action of heat coming from the scalp, occurs faster. Therefore, to lighten the hair evenly, the first discoloration with peroxide should be applied first to the ends, leaving the scalp 2 cm, and when the desired color is almost reached, you should apply the solution again, this time starting from the roots. If your goal is to lighten the overgrown roots, then it is necessary to apply the solution only to the roots, without touching, if possible, previously bleached hair. To facilitate the process of staining, a thick composition should be used. If you want to lighten the hotel strands at home, do so-called highlights, you can use a special rubber cap or a regular bathing cap, which tightly surrounds the head, making it small holes. To discolor hair in this case can be hydrogen peroxide of great concentration, since the risk of burning the scalp disappears. In addition to the cap, in order to lighten individual strands of peroxide, you will need a hook (not metal), which will get the strands on the surface of the cap for their subsequent clarification. With discoloration, remember that you should try to damage the skin and hair as little as possible. To lighten the natural light hair, use a low concentration composition, and in addition, if any hair is discolored, carefully monitor the course of the process.

Comments

comments