What details should I pay attention to when dyeing my hair? What are the small details of hair color

What details do you need to pay attention to when coloring your hair?

1.Be sure to do a patch test before dyeing your hair, which is to apply hair dye to a small area behind your wrist or ear. After 24 hours, there will be no allergic reactions such as redness, swelling, stinging and staining. Follow the instructions when dyeing your hair. If you dye it yourself, wear latex gloves.

2. Don't use different brands of hair dye at the same time. Chemical reactions can occur between hair dyes to produce toxic substances and increase the chance of allergies.

3.Rub some petroleum jelly on your scalp before dyeing your hair. It's easy to wash off if you get some potion. It is best to apply hair dye 1cm away from the hair roots to reduce direct contact with the scalp.

4.Wash your hair several times after dyeing it, and don't let the hair dye remain on your hair; Be careful not to scratch your scalp when washing your hair to avoid poisoning.

What are the small details of hair coloring?

1.Pre-coloring care.

Many people always take pictures before dyeing their hair, and the effect of dyeing their hair is not obvious in the end. Barbers have to say that it is the problem of **, so in the end, they only have their own mistakes. Another reason is their own hair quality.

In order to achieve a good dyeing effect, it is actually very important to take care of it in the early stage. For example, the dyeing effect of good hair quality will be better, and the color rendering will be higher. Therefore, it is recommended that you take good care of your hair before deciding to dye it.

2. Bleaching. If the color you dyed before you haven't faded yet, it may be very uneven when you dye the new color. At this time, it is necessary to use bleach products to remove the original skin tone and lighten the color of the hair.

This will make it easier to dye your hair and will not cause two colors to appear after dyeing, which is unsightly.

3.Try the color before dyeing your hair.

If you want to know if the color of your hair dye is right for you, you can actually try the color before dyeing your hair to see if it suits you and see how well it works. Because some hair is not colored, it may not look good when dyed, so it is important to try the color to avoid regrets.

4.You need to take good care of your hair after coloring.

You can't wash your hair for three days after dyeing your hair, because the hair color is still undecided, and washing your hair directly may cause color loss, so you can wash your hair after three days. When washing your hair, you need to use hair care products such as conditioner. After all, it's a chemical agent that will definitely damage your hair.

Aftercare works a lot, don't be lazy. Good care not only makes your hair better, but also makes your hair look better.

Can hair dyeing cause allergies?

About 1 in 1,000 people will experience **sensitivity due to hair dyeing, ranging from redness and itchiness to physical discomfort. It's just individual differences. Allergies only occur in people with sensitive constitutions, and the allergen is p-phenylenediamine in hair dyes.

Therefore, people with this constitution are not recommended for people who dye their hair. There are also some people who are not allergic to hair dyeing, but later become allergic, which is also caused by changes in body functions. This is a must in the instructions of the hair dye, and an allergy test must be done.

Before dyeing your hair, apply the hair dye to your wrists or the inside of your ears and re-dye it after 24 hours without redness or discomfort. Try to be foolproof.

The detail to pay attention to when dyeing your hair is not to apply hair dye to the root of the hair, as this will cause damage to the scalp. When dyeing your hair, you should first apply it to the roots and then to the ends of the hair, so that the hair color will be very even, and dyeing your hair will lead to allergies, so you need to try whether it is an allergy before dyeing your hair.

Hair dyes contain phenylenediamine, which can easily cause allergies. If you dye your hair too often or use a low-quality hair dye, you are likely to have an allergic reaction. Wearing gloves to dye your hair can prevent your palms, fingers, and nails from being stained.

When dyeing your hair, be careful not to get the hair dye on your scalp, otherwise you will be prone to scalp allergies. When dyeing your hair, you should dye your hair in small amounts many times and many times to get better results. If you don't do it properly during the hair dyeing process, it will lead to allergies.

When dyeing your hair, remember not to dye your scalp, otherwise it is likely to cause cancer. And hair dye is still very harmful to **.

Changing the hair color is the easiest way to change the style, changing a hair color can make people look a lot, some people are more prone to allergies, it is said that dyed hair is also easy to allergies, the following is the introduction of hair dyeing allergies? Be cautious when dyeing your hair.

Can hair dyeing cause allergies.

There is a chemical called "p-phenylenediamine" in the ingredients of hair dyes, which is easy to cause harm to the human body. The more frequent the hair dyeing and the closer the contact between the chemical agents and the scalp during hair dyeing, the greater the harm to the body and the greater the chance of developing hair dye allergies. In mild cases, the scalp is red, swelling, itching, and burning, and in severe cases, the scalp, neck, and face will be swollen, blistered, yellow, and even purulent and infected.

How to do a hair dye allergy test.

An allergic reaction to a hair dye is a delayed reaction, which means that if you are allergic to a hair dye, you may not show it at the time and only have a reaction a few days later.

Method: Apply an appropriate amount of hair dye cream behind the ear, observe it after 24 hours, do it again after 48 hours, do a third observation after 72 hours, and observe the last time after the last week.

If, after a week, you are sure that there are no allergic reactions, then you can dye your hair with confidence.

Post-colour care.

After dyeing your hair, the number one enemy that affects the shine of your hair is the impact of water when shampooing. More than eighty percent of hair dyeing and fading are related to water, shampooing, swimming, showering, etc., which will cause the hair to expand and dye molecules to be lost. One way to avoid this is to use hair coloring products, which can reduce the dilation effect of water in the hair cuticle gap, reducing the chance of dye molecules losing from the gap.

In addition, the way you use the hair dryer is also important for the color of your hair color. When using a hair dryer, if you get too close to it or the temperature of the hair dryer is too high, it will have the same effect as water, such as quickly blowing away the dye molecules that have become smaller due to the hot air and fading.

Causes of hair color loss after hair coloring.

For the sake of beauty, fashion, and fashion, MM people are always happy to go to the barber shop to do styling and hair dyeing. However, at the same time, washing and fading after hair dyeing has become a very distressing thing for many beautiful eyebrows. Why does washing hair fade after dyeing?

Let's take a look at the reasons for hair fading after dyeing!

1. Seasonal relationship.

It is normal for the color to fall off slightly after dyeing, and the degree of color loss is actually related to the season. In summer, the temperature is high, the sun is strong, and the number of hair washes is relatively high, so the durability of hair color in summer is relatively weakened.

2. Flush the relationship.

According to research, 80% of hair color loss is caused by rinsing water during shampooing and the chemical ingredients in the shampoo we use. It can be said that water is the number one enemy we can't resist after dyeing our hair.

3. External factors.

Our daily combing, fashionable and aesthetic perms, and the influence of ambient air quality can all cause fading after dyeing.

Nowadays, men and women are more concerned about their appearance, a person's hairstyle is also very important to a person's appearance, now hair dyeing and perming is very common, but some people may have hair dyeing when the hair dye comes into contact with ** allergies, so will hair dye be allergic? What should I do if I have hair allergies?

1. Allergy to hair dye

1.Can hair dyeing cause allergies.

Some people with allergies or more sensitive people will easily develop allergic symptoms when using low-quality hair dyes. It is recommended that such people can apply a small amount of hair dye to the base of the ear or the inside of the arm before dyeing their hair, and if they do not find any discomfort after 24 hours, they can dye their hair, otherwise they should not dye their hair.

2.What to do if you are allergic to hair dyeing.

If you have allergic symptoms when you dye your hair, you should stop using hair dye immediately, rinse your scalp with plenty of water, shave your hair if necessary, and send you to a doctor in time. Take some anti-allergy medications under the guidance of your doctor and use topical medications on time.

The diet should be light, avoid greasy and spicy food, and avoid using some beef, mutton, seafood and other hairy foods.

People who are allergic to hair dye should try to avoid dyeing their hair, if they really want to dye their hair, they can add some breathamine powder to the hair dye, which has a good effect on anti-allergies.

Pay attention to women who are menstruating or pregnant, and do not dye their hair, so as not to bring harm to the body.

2. Precautions for hair dyeing

1. Item 1: Selection of hair dye.

Try to use less permanent hair dyes, if you do, it is best to consider lighter colors, and do not mix different hair dyes at the same time, because there is a possibility of chemical reactions between hair dyes, do not use hair dyes frequently, especially chemical synthetic hair dyes.

2. Item 2: The number of hair dyes.

The number of hair dyes should not be too much, and it is enough to dye the new places that have grown. Because too many times of hair dyeing will seriously damage the hair quality, so that the hair phosphorus sheet on the surface of the hair is damaged, so that it can not be closed well, which will not only affect the hair color loss after dyeing, but also cause hair allergies, cause dermatitis, seriously lead to scalp blisters, yellow water, and most of the hair dyes have carcinogenic effects, so it is not suitable to dye frequently.

3. Item 3: Do not dye your hair again after hair dye dermatitis occurs.

People with dermatitis, ulcers and hair dye allergies should not dye their hair, if they insist on dyeing, they must do an allergy test, rub the hair dye on the back of the ear, and dye their hair without abnormal reactions within two days.

4. Item 4: Before and after dyeing.

It is recommended to apply a layer of petroleum jelly to the scalp before dyeing your hair, and it will be easy to wash off the hair dye in case it gets the potion. After dyeing your hair, wash it several times, don't let the hair dye remain on your hair, and don't scratch your scalp with your fingers when washing your hair, so as not to cause poisoning.

When dyeing hair, it is best to use a good quality hair dye, because hair dye is a dye and has a carcinogenic effect, when dyeing hair, do not let the hair dye come into contact with **. If the hair dye drops into the eyes, it is best to rinse it off with water as soon as possible, and it is best not to dye the hair if it is damaged.

Some people are allergic to hair dye, and before dyeing their hair, it is best to do a test, and if they are allergic, do not dye their hair again. Women who are pregnant should not dye their hair, because the hair dye liquid will be absorbed into the bloodstream through the capillaries of **, affecting the healthy growth of the fetus. It is best for breastfeeding women not to dye their hair, because after dyeing their hair, the hair dye will also be secreted into the milk, which is not good for the health of the child.

People with allergies should not dye their hair, otherwise, there is a risk of allergies.

No matter what kind of hair dye you use, it is a chemical substance, so it is best to wear protective gloves when dyeing your hair to avoid direct contact with your hands.

Because hair dye is a dye, it has a carcinogenic effect on **, so the number of hair dyes should not be too much, usually up to 2 times a year, if the number of hair dyes is too much, the hair dye will accumulate into **, and when it reaches a certain extent, it has a carcinogenic effect. Dyeing your hair too often can also damage your hair.

If you have an allergy to the first color, it's best not to dye your hair a second time. The symptoms of allergies are redness, swelling, itchiness and pain in the area where the hair dye comes into contact with the liquid. Immediately after the onset of allergy symptoms, stop using hair dye. Severe cases need to be treated in a hospital.

After dyeing your hair, it is best to wash off any hair dye remaining on your head with clean water, including hair dye that remains on your hair and scalp, and it is best not to use shampoo.

Hair dye not only has a carcinogenic effect on **, but also may suffer from diseases of the blood system after being absorbed into the bloodstream. Therefore, in daily life, in order to ensure good health, it is necessary to minimize the number of hair dyeing.

When dyeing hair, first apply a single dye paste to the surface of **, and then dye the hair with the prepared target color after five minutes, the purpose of this is to make the dyed color more bright and durable, and it is not easy to fade. Hair coloring should not be heated with a steam engine, as this will lighten the target color and not have the desired color. The correct method should be to heat the hair with an infrared baking lamp for about 25 minutes, and rub the hair with both hands, this is to dye the hair evenly, and then wash it with warm water after the hair cools for five minutes, remember not to scratch the scalp when washing your hair to prevent scalp infection.

First of all, you must choose a hair dye that is more plant-based and does not hurt the scalp, so you must take care of your hair after dyeing, don't just blindly dye it, and you must pay attention to maintaining your hair in the later stage.

Do not wash your hair for the first three days before you need to dye your hair, because the oil secreted by the hair can protect the hair and scalp and prevent infection, and the oil secreted by the hair and the dust will not affect the color effect. On the contrary, if we wash our hair before dyeing or even scratch our scalp, it is easy to cause scalp allergies and infections.