How often is it best to perm your hair, and how long after dyeing can you perm your hair?

Generally speaking, it is better to dye once a year, and it is best not to be too close to each other, because the potion used to dye hair is still more damaging to the hair.

Preferably every two to three years.

A week or so.

If you want to perm your hair after dyeing, you should go to the perm at least a week after dyeing your hair, hair dye is a kind of cosmetics that dye your hair, which is divided into temporary, semi-permanent, and permanent hair dye.

Hair dyes generally contain p-phenylenediamine, a carcinogen, and experts say that p-phenylenediamine is a colorant that must be used in hair dyes and is also a carcinogen. Hair is made up of keratinized epidermal cells, and with the metabolism of epidermal cells, the components of hair dye are gradually eliminated after about a week of hair dyeing.

Precautions for hair coloring.

The less often you dye your hair, the better, no more than twice a year, and as long as you dye the new growth.

Consumers who use permanent black hair dye should consider switching to a lighter color, as the darker the color, the more toxic it is. Generally speaking, if the hair fades when washing the hair three or four days after dyeing, it is a temporary hair dye, if it fades 1 or 2 weeks after dyeing, it is a semi-permanent hair dye, and if it does not fade for more than 2 weeks after dyeing, it is a permanent hair dye. The first two are less toxic and the latter are more toxic.

You can only perm your hair 7 days after dyeing.

During the perm process, the alkaline components and oxidation in the potion will cause the scales of the hair layer to be destroyed. Leaving the internal structure of the hair in an unprotected state will cause the loss of internal moisture and nutrients, which is harmful to the hair, scalp and hair follicles, and will more or less denature the keratin of the hair, making the hair easy to yellow, brittle, without luster and elasticity.

Don't perm too often, no more than four times a year; Pregnant women will affect the health of the fetus and should not perm; The little girl's scalp is delicate, and the perm is easy to break the scalp and be infected with bacteria; People with a dry scalp should not perm their hair often. Therefore, perms should be carried out according to their actual situation.

It is scientifically recommended that healthy adults should not dye their hair more than twice a year. The interval between hair dyes should be at least 6 months.

If you are a child, immunocompromised, pregnant, elderly with long-term chronic wasting disease, etc., avoid dyeing your hair.

Because hair dye contains various heavy metal ions, which are difficult to metabolize when in contact with the scalp.

Frequent hair dyeing, on the one hand, increases the workload of liver and kidney detoxification;

On the other hand, hair can become dry and frizzy, with many split ends;

It can also cause these heavy metals to accumulate on the scalp, leading to hair loss, etc.

At present, there are three main types of common hair dye products on the market, inorganic hair dyes, oxidative hair dyes, and plant oxidants.

Inorganic hair dye: Generally speaking, the darker the color and the higher the durability of the hair dye, it contains a lot of heavy metal elements, which is very harmful to the body. So, go to a hair dye shop to dye your hair black and pay attention to the brand of hair dye. Don't use that cheap black hair dye.

Analysis: Under normal circumstances, hair coloring cycles are carried out up to 2 times a year. Depending on the frequency or speed of hair growth, it is best to wait for half a year after dyeing, and then dye your hair for the second time.

Hair dyes contain hydrogen peroxide or artificial color particles, as well as chemical ingredients such as aniline or nitrobenzene, which can cause damage to the scalp and damage the healthy scalp of the hair, requiring a certain amount of repair time. And before dyeing hair, check whether there is a wound to avoid infection when dyeing hair, and the hair dyeing site is best 1 2 cm away from the scalp.

It is generally better to dye hair once in about half a year, and when dyeing hair, there is generally a certain chemical composition in the hair dye, which is harmful to the scalp. Some people will also experience some allergy symptoms, and it is best to reduce the number of times you dye your hair. Eating more fresh vegetables or eating some black foods in your daily routine can prevent gray hair.

Hair coloring is one of the most common methods of modern makeup, which is to use plant or chemical pigments to dye the hair color to the desired color. Hair dyeing has become fashionable, young people can change the color of black hair according to their mood, with clothing and makeup, the frequency of hair dyeing is high, and there is a certain damage to hair quality and physical health, so the time to dye hair can only be dyed once every 3 months at most, and it is best not to dye hair if it is not necessary. Natural hair color is the best, half-year dyeing is the best, and dyeing other colors is better.

How often to dye your hair is better, first of all, it depends on whether you dye your hair now, if so, what color you dye next, and what color you want next, if the color you dye now is much darker than the color you want, then the time must be separated for a long time, otherwise it is difficult to dye it, because this is an artificial pigment, it is difficult to return it, so you have to wait for a while to dye it better.

If dyeing your hair is for beauty, then you can dye it at most two or three times a year, so that dyeing your hair will have little effect on your health.

In addition to artificial pigments, hair dyes usually contain some chemicals such as p-phenylenediamine, which are harmful to the human body. Some can cause ** allergies, with long-term application, and potential carcinogenicity. So our recommendation is to dye your hair as little as possible and not to dye your hair at all.

If you really want to dye your hair, you should dye your hair at least three months apart, preferably once every six months. This leaves our scalp plenty of time to detoxify and repair damage.

Otherwise, too frequent hair dyeing can cause certain damage to the scalp itself, as well as to multiple systems throughout the body.

If you have a gay man, you have to dye your hair once every two months at most, and if you have a lesbian man's hair, you can dye your long hair once every six months, and if you have a lot of gray hair, it's another matter!

How often is hair generally dyedThe recommended frequency of hair coloring also depends on your hair quality. But it is recommended not to be too frequent, otherwise it will be harmful to **.

Let's take the following to:Dark colorsAs an example, let's see how to look good with your hair color:

Cold tea gray

The cold tea gray, which has been very popular in recent years, is matched with Nezha's hair tie design, which not only shows white skin, but also sets off the lively and lovely girl, which is very flattering.

Dark brown

The dark brown color gives people a warm and low-key feeling, and with straight and smooth long hair, it looks pure and fashionable, and the whole look is very textured and fashionable.

Light yellow

The light yellow hair color, extremely white skin, with light and agile air bangs and soft shawl long straight hair, cleverly shapes the girl's delicate little face, and the whole person exudes a sweet and lovely temperament.

Pinkish-brown

The combination of light pink and dark brown hair color is unique and eye-catching, and it is very white, and the whole shape is simple and neat, which looks particularly generous and feminine.

Yellow-brown

A very elegant yellow-brown long curly hair, slightly curly air bangs with layered wavy shawl long hair, super white, gentle and fresh, giving people a very Korean goddess fan.

The five most suitable hair colors for girls with dull complexions, I hope you can understand, find the most suitable hair color for yourself, and be the most beautiful yourself.

If there is a certain amount of harm to the body, it can pass through the blood of the human body through the scalp. Therefore, it is best to dye your hair once or twice at the same time, and never dye your hair frequently. If you have gray hair, it is best to use a plant-based hair dye if you want to dye your hair.

Don't dye your hair often if you don't need to, hair dyes are chemicals, and it's not good for your body and scalp and hair, if you have to dye it, it depends on your own situation, and when your hair changes color, dye it.

It's best not to dye it, because dyeing that thing is easy to cause cancer.

You can generally dye your hair after a week after perming your hair, but if your hair quality is poor, it is recommended to dye your hair after a month.

Perm is a hairdressing method, which is divided into physical perm and chemical perm, and the most used is chemical perm. Perms can make the hair richer (with a curly effect); Change the shape and direction of the hair (curl is not a great effect).

Precautions for perms

1. Consumers should choose formal channels to buy.

When purchasing hair perm products, consumers should try to choose formal channels to buy. Formal enterprises have done a relatively good job in raw material procurement, quality control and factory inspection, while informal channels are likely to have suppliers whose qualifications are not strictly reviewed, product quality is not well controlled, and even counterfeit products are sold.

2. Reduce the frequency of perms.

The frequency of perms should not be too high, at least 3 months apart; Immediately after perming, rinse off the hair, scalp and face; Treat the ends of your hair after perming accordingly.