Hair can be bleached several times, and one bleaching of hair is equivalent to dyeing it several tim

Depending on what effect you dye, if you dye your gray hair black, you can dye only new hair every month. But if you dye a damp color, you need to bleach it several times and then apply it again, and after a few times your hair will be very dry, so you need to think carefully. Everyone's needs are different, and some people can't help but want to touch up as long as their black hair grows.

It doesn't matter if some people have obvious consecutive colors or three colors on their heads, it all depends on their personal needs.

Whether it hurts the body or not is a topic that is not clear. My math teacher is 75 years old this year, and he is less white-headed.

I started dyeing my hair in my twenties, once a month, and now I have been dyeing it for more than 50 years, and I have two square dances every morning and evening.

It is indispensable to travel once a year, and be healthy and strong.

People who love beauty and pay attention to their image will dye their hair more frequently, and it is normal to dye it three or four times a year. As long as your hair can hold it, you can dye it as many times as you want. However, the hair dye products used must be qualified, and do not use counterfeit or low-quality miscellaneous hair dyes, which may be metallic.

The pigment can cause harm to the body with long-term use. Regular products have high costs, and all organic pigments are harmless to the human body, so they can be used with confidence. Except for hurting the hair and causing allergies in a few people with sensitive bodies, there is nothing wrong with hair dyeing.

There is no case of hair dyeing harming the body, and it is caused by the use of unqualified and unprofessional inferior hair dyeing products. If you have a need for hair coloring, it's best to use a well-known brand, albeit higher than counterfeit goods.

dozens of times, but the security is very high.

The maximum number of times a year to dye your hair is related to the products you use, the effect you want to dye, and the method you dye your hair.

You can prostitute your hair a few times, you see what color you play, if the color of the performance is similar to the color of your hair, you can prostitute it twice, if you use something else, you have to ask the teacher.

Brushing your hair once is equivalent to dyeing it twice.

Hair bleaching should not be bleached twice in a row, and the damage to the hair itself is very large, and the structure of the hair itself is damaged. You can't do anything on your hair for at least three months after bleaching, and some people can only wait until your hair has recovered before you can do the next bleaching perm.

The main difference between bleaching and dyeing is that bleaching is the use of hair bleach to remove the original color of the hair, mainly the melanin in the hair, so that the hair can be better colored. Hair dye is mainly the use of hair dye to dye hair to the same color as the hair dye.

Precautions for hair coloring:

1. If you don't dye your hair directly without bleaching your hair when dyeing your hair, it will also hurt your hair, but the damage is much smaller than that of bleaching.

2. Hair bleaching itself hurts the hair, and it needs to be dyed after bleaching, which causes double damage. It is dyed directly without bleaching, and there is only one damage, so the damage is less.

3. After bleaching, the hair will fade quickly, and the hair will be very dry after fading. No bleaching, hair dyeing is slow, and hair will not turn yellow after fading.

Bleaching the hair three times is 6 degrees.

Bleached hair will fade quickly, and the same color will fade differently than the same color, fast days, slow about 1 month. It is also advisable for some people to experience a perm with poor hair and find that it is not the result they wanted, so they want to re-bleach. Because a second bleaching can make up for the previous deficiency and bring the hair closer to the ideal state.

It should be noted that when performing bleaching, it is necessary to choose a hair bleach of acceptable quality, so as not to bring a lot of ***.

Hazards of bleaching:

The principle of hair bleaching is similar to bleach, so it can cause great damage to the hair quality. But hydrogen peroxide.

There are several different degrees, and the speed of the effect is also different, and the degree of damage to the hair is also different.

The most common problem after bleaching is the hair cotton. Generally, natural black hair may take on a special "sponge state" after being bleached and dyed many times.

The hair in the "sponge state" is like a sponge that has absorbed water, and it is soft and slimy after the feast. What's worse is that your hair will break with a gentle tug when you wash it. If the bleached area is too large, it will look like hair loss.

It is recommended to bleach hair twice at a maximum of about 8 degrees.

Most of the colors are dyed, and the drift initiates an auxiliary role. In order to highlight the texture of the hairstyle, it is more intense and three-dimensional, and hair bleaching is used. Or if you need to dye a lighter color, you need to wash off the melanin in the darker hair to achieve the best results.

Hair dyeing after bleaching will make the dyed color more vivid and the color more pure.

Traditional hair coloring products are inexpensive, but due to their principle, a pigment film is formed in the hair layer, which tightly wraps the hair and gives it a color. Because the hair is wrapped for a long time, making it impossible to breathe, and the internal supply is not smooth, it is often easy to cause dryness and breakage, which is the most harmful hair coloring product.

The new pigment care and acid care dye paste is a color-replenishing dye paste that can be used between dyes or when the hair is not bright due to fading.

The color lasts for about 1 month, and some dark colors, such as blue-black, dark brown, etc., can be used on treated hair, or when the dyeing fails, damaged hair.

Little or no damage to the hair. Hair coloring can also achieve the effect of deep hair care, without the need to open the hair cuticle and extract the internal pigment of the hair. Acid-based dye balm can easily achieve pure colors that are difficult to make with traditional dye balms.

45 minutes. Normally, it takes about 45 minutes to bleach, and depending on the actual situation, each person's bleaching time is different. It takes about 45 minutes to bleach, 45 minutes to bleach, and 2-3 hours if you blew three times at once.

Hair bleaching is to wash off the original melanin in the hair, and hair bleaching is related to hair quality, and people who are born with darker hair may need a little longer.

Hair bleaching precautions:It is best not to wash your hair 3 days before dyeing, and do not scratch your scalp with your fingernails when washing your hair to avoid scalp allergies or broken skin infections when dyeing your hair. Avoid washing your hair for 3 days after dyeing, so that the color of the hair is not easy to lose.

If a perm is required, it should be done 7 days before the dye, or 7 days after the hair is dyed. The best order of dyeing and perming should be to perm first and then dye your hair, because heat treatment is likely to cause color loss.