What oxygen should I use to cover gray hair?
We can adopt different types of oxygen, which differ in texture and volume. That is: 10 and 20 volumes: to cover white hair; 30 and 40 volumes: to lighten the tone.
a) 20-volume oxygen is used to cover gray hair or for darker colors or shades of the same shade as the hair (i.e. changing only the reflection); b) 30-volume oxygen is used to lighten the hair, both if you are using a normal color and if you are using a super lightening color.
To bleach your hair, simply mix oxygen (hydrogen peroxide) with the bleaching powder, in order to oxidize the hair pigments, depriving them of color. The most common oxygen concentrations that can be found on the market range from 10 to 40 volumes.
If the quantity exceeds 20%, the only color that guarantees total coverage is the permanent one. Otherwise the white hair will be covered only in transparency. It is also important to know that bleaching dyes do not cover gray hair, even if it is permanent.
Naturtint - Ammonia-Free Dye Covers White Hair
Without a doubt, the Naturtint brand product is the best dye to cover gray hair. It is a natural product with no harmful chemicals.
Even with cocoa we can darken white hair naturally. In this case, you need to mix 3 tablespoons of honey with 3 tablespoons of cocoa, to create a thick cream. The mixture should be left to act on dry hair for about an hour, before rinsing.
The choice of the wrong oxygen can lead to a visual effect of non-coverage, this not because the oxygen has to cover gray hair, but it simply failed to lighten dark hair and therefore an effect is obtained in transparency especially in the colors a lighter shades.
Another possibility: the color does not hold because the hair is already sensitized by the heat of the plate or by too aggressive products. If the scales are damaged, it makes sense that the color takes root less well. In these cases it is important to reinvigorate the lengths with specific treatments before coloring.
Choose one or two shades darker than the lightened part of the hair. Better to opt for one without ammonia so that it can be applied safely on bleached hair. The real trick to perfectly cover the shatush depends on the application of the dye, on how it happens and on the shutter speed.
That is, when you go to mix oxygen and dye, the hydrogen peroxide allows the dye to penetrate the hair, opening the scales and taking root in the cortex. ... Furthermore, the dye lasts much longer than that with ammonia, as it is resistant to shampooing.
How to mix dye and oxygen
Generally the ratio for mixing the two components is 1: 1, which means that the dye and hydrogen peroxide must be mixed in the same measure. Therefore, if you have to use 25 ml of color for regrowth you have to add 25 ml of hydrogen peroxide.
If used unconsciously this can cut the hair or make it elastic and with a single touch the tips will come off. ... Often hairdressers to make work faster use 30 or even worse 40 volumes of oxygen, this involves a 90% risk of damaging the hair.
Oxygen 30 volumes to lighten the hair
If, on the other hand, your hair is dark, you need stronger hydrogen peroxide: instead, choose 30-volume oxygen to lighten your hair by a few tones. opt for a 40 for a decisive lightening.
To make the Mechès the only difference is that oxygen at 40 volumes is almost always used, precisely to obtain lighter locks with the help of films (or tinfoil).
“Oxygen therapy is a medical and aesthetic treatment that serves to improve the health of the scalp through the 'bombardment' of 99,5% pure oxygen. This stimulates and promotes tissue oxygenation and cell turnover ".
- Packs with olive oil. In case the damage is not so evident you can try olive oil packs, an excellent natural remedy. Proceed with long packs and then wash your hair thoroughly, their effect will be to download the color and reduce the orange effect.
Simply letting dyed hair grow is the most effective way to return to the natural color of your hair. The beauty is that anyone with the patience to grow roots is rewarded with healthy hair in its natural color - and without damaging it with a new color.
If the blonde shatush is too light, you need to darken it by applying a dye to the hair, paying attention to the tips, which are lighter. It is also possible to opt for a natural pack based on henna, coffee; black tea or cocoa.
How they work: the chemical reaction
The action of permanent hair dyes involves the elimination of pheomelanin (which affects pigments from blond to red) and eumelanin (which includes pigments from brown to black).
To hide the regrowth and cover any gray hair, coloring sprays with a lacquer-like consistency can come to our aid. With their color pigments they adhere to the root immediately, guaranteeing an impeccable result, until the next wash.
The highlights fade the hair by a tone or two and use a color base while the highlights bleach the hair and are much more noticeable. The streaks are an excellent way to cover white hair because with the play of chiaroscuro they create on the hair they are able to camouflage it perfectly.
Just as it opens the pores of the skin, hot water also opens the capillary cuticles, causing the dye to drain. ... Once you have carefully eliminated the shampoo and conditioner, do not let the water continue to run on the hair, because this too can gradually drain the XFontediricerca dye.
Pay attention to the processing times: if you keep the dye for too long you overload the hair with pigments. If you rinse first, the final result is invisible, the color fades and the white hair is not covered.
However, we should not expect a "fast" color: dyes that do not use ammonia can last up to 6 weeks before needing a touch-up, a little less than the eight weeks considered on average by hairdressers to redo the color of the hair.
There are two systems that can be adopted. Stop dyeing them. Cut your hair very, very short and let it grow into the new color, cutting it often to remove the dyed hair by hand. Short cuts are ideal for restoring liveliness to the hair and enhancing the salt and pepper tones.