With the increasing age, the internal functions of the body are gradually degraded, so that the body will also have some aging symptoms, such as an increase in gray hair, which is mainly due to the decrease in melatonin secretion.
However, there is still a group of people in life, they have a situation of less whiteheads at a young age, in fact, this may be due to the lack of a certain nutritional element inside the body, insufficient nutrition inhibits the production of melanin, hair can not be nourished, it is easy to appear white hair.
For the phenomenon of white hair, many people will choose to dye their hair, but the hair dye contains a lot of harmful ingredients, which can stimulate the scalp and affect the health of the scalp, so you may wish to try to supplement the body with nutrients first, especially these 5 kinds of food!
It is best not to dye white hair, eat more than 5 kinds of food every day, perhaps you can make gray hair less
- Black rice
Black rice is a widely used food in daily life, but also a kind of coarse grain, trace elements are very rich, so loved by many consumers, if you insist on eating black rice, the classic white hair itself can be of great help.
Black rice contains a variety of trace elements, which can supplement the essential trace elements of the human body.
Especially ladies, you can eat more black rice, but people with indigestion must eat less black rice, and before eating black rice, you should wash it with water in advance.
- Black sesame seeds
Sesame has a good tonic effect on the kidneys, but also for hair growth to provide nutrition, because black sesame is rich in the nutrients needed for hair, such as cold gel fat, protein, vitamin E, etc., I believe that sticking to eating black sesame for a period of time will have a great improvement.
We can eat a spoonful of black sesame seeds every morning before getting up and stick to it, believing we can see the effect.
- Lion's Head Mushroom
Lion's head mushroom is a common food in life, with twice the protein content of shiitake mushrooms, because shiitake mushrooms contain only eight essential amino acids, volatile oils, polysaccharides and other nutrients needed by the human body.
Among them, unsaturated fatty acids not only help to promote blood circulation, but also effectively reduce cholesterol content, thereby significantly promoting the growth of black hair.
- Black beans
Black beans can be said to be the king of nutrition in beans, because there is no one that can be compared to black beans, and even black beans have higher protein than some meats.
Drinking a bowl of black rice porridge or black soy milk every day is good for hair, has a black hair effect, of course, it is better with goji berries.
- Goji berries
Many people will think that goji berries are just a tonic, is used to nourish and condition the body, in fact, what you don't know is that goji berries can also treat white hair, if your white hair is caused by liver and kidney deficiency, you can usually eat more goji berries.
For example, you can boil sugar water or water soaked in red dates, and it is also good to put some goji berries into the porridge.
Does regular hair coloring cause cancer?
A related study published in the British Medical Journal on 2 September 2020 showed that the use of hair dyes is closely related to an increased risk of lymphoma, ovarian cancer, breast cancer and cutaneous basal cell carcinoma.
As many as 121,700 female nurses aged 30 to 55 in the United States participated in the study, and from 1976 to June 2012, the health status of all subjects was evaluated and the following results were obtained:
1. Hair coloring will increase the probability of basal cell carcinoma, especially some women are born with lighter hair color, which will increase the risk by 6%.
2, the incidence of ovarian cancer and breast cancer will increase due to the use of hair coloring products, the dose is proportional to the frequency and risk of disease, for every 50 times the number of hair coloring, the incidence of breast cancer will increase by 1% to 2%, compared with subjects who have never used hair dyes, the incidence of ovarian cancer in subjects using hair dyes is 21% higher.
3. Women's hair color is naturally darker, and the risk of lymphoma after dyeing with hair dyeing products will increase by 289%, but there is no data in the light color group, and the conclusion needs to be verified.
4. The use of hair dye will not increase the incidence of blood malignant tumors and other solid malignant tumors, such as lung cancer, kidney cancer, rectal cancer, colon cancer, brain tumor, etc. There were no data to increase the risk of morbidity.
In addition, the International Journal of Cancer also published a study on the carcinogenicity of hair dyes on December 3, 2019, which found that women who used hair straighteners and hair dyes were more likely to develop breast cancer.
How to reduce the harm of hair coloring?
1. Hair care before hair coloring
Although when coloring hair, the hairdresser adds some skin care ingredients so that hair coloring and hair care can be carried out at the same time, but in order to reduce the damage of hair dye to the hair, 1-2 times of hair care should be done 1-2 weeks before hair coloring, especially damaged hair, pre-dye hair care can balance the slight acidity of the scalp, increase the protection of hair scales, and reduce the irritation of hair coloring cream on hair.
2. Avoid permanent hair dyes
According to expert statistics, nearly 90% of the hair dye contains nitrobenzene, aniline and other toxic chemicals harmful to the human body, to determine whether it is a permanent hair dye or a temporary hair dye, depending on whether it changes color within 3-4 days after dyeing, semi-permanent hair dye dye staining 1-2 days after decolorization, permanent hair dye after two weeks of discoloration or non-decolorization, the darker the color of permanent hair dye, the greater the harm to the human body.
3. Avoid repeated hair coloring within three months
Because hair dyes contain a decolorizer, this decolorizer can cause mountains and seas of hair scales, becoming fragile and fragile. If you dye your hair repeatedly within three months, it will cause heavy damage to the hair that has not yet recovered, the consequences are unimaginable, the number of hair coloring should be controlled twice a year, if you want to maintain the effect of hair coloring, you can supplement the newly grown part.
4. 48-hour skin test
Although hair gels undergo rigorous testing, in order to protect our hair, we need to have an allergy test before we color it. Whether it is the opening of the shelf brand to dye their own hair or the hairdresser to dye the hair, the hair color test must be done 3 hours before the hair coloring.
Apply hair dye A and B to the same point on the inside of the wrist and wait for the hair dye to dry naturally, and if redness, swelling, and itching occur during the waiting process, the product cannot be used.