Decolouration and clarification of hair

All structures which do a hair colour are more light at least on one tone, are called osvetliteljami. Influence of these preparations can vary from easy clarification of hair before their full decolouration at which brunettes turn to blondes. Osvetliteli operate almost the same as also means for deep colouring of hair but instead of strengthening colour, they destroy it — depending on concentration of a preparation. The hair colour after decolouration remains to constants, while they not otrastut. Weak osvetliteli, usually in the form of a cream or shampoo, are simple in the use and give good effect on light hair which have a little grown dull.

Strong preparations can appear are unsafe, and if you wish to decolour completely hair, it is better to address for the help to the expert. Full change of colour usually reach in two stages as there can be a necessity slightly to tint the clarified hair, to remove dimness or to give to hair a corresponding shade. Before decolouration hair do not humidify to keep natural fatty greasing. By means of a wadded tampon hair moisten with a solution at the roots at a short hairstyle, and at long hair, earlier not krashennyh, - since the ends. This procedure do on hair partings, in the beginning on a nape where hair are always more dark. Hair comb to improve air access. Duration of action of a decolouring solution of 15-30 minutes.

To wash hair after decolouration it is necessary means without the maintenance or with the weak maintenance of alkali and at once to neutralise the acidified water. On istoncheniju 3-5 weeks when at roots otrastut hair, repeat decolouration procedure, putting a solution only on otrosshie at roots hair. By means of different concentration of a solution of peroxide of hydrogen (from 3 to 15 %) dark hair can give any colour - chestnut, brown, is bright-red, yellow etc.

Sometimes after decolouration of hair receive undesirable yellowish or reddish shades. The reason of this phenomenon that any natural colour is a mix of black-brown and red pigments; at oxidation break up only black-brown, and red pigments maintain oxidation. To correct position it is possible by means of toning (which in due course smoetsja) or to recolour hair in one of light shades.

For priglushenija reddish tones add in a solution of 10 15 drops of acid dye, and sometimes use for opolaskivanija water with addition of violet or dark blue ink. For giving it is desirable for hair of a light-golden shade to rinse with their strong infusion of a camomile (2 items of l. On a boiled water glass).