What are the dangers of frequent hair dyeing? How often is the best time to dye your hair? Don't go beyond this range

What is the purpose of dyeing hair? Of course, it is to make themselves more beautiful. Not only middle-aged and elderly people want to dye their hair to turn their white hair into black hair, making people look more energetic and youthful. There are also many young people who dye their hair in order to become more fashionable. Colors, such as the very popular turquoise blue, fog blue, light purple, light yellow, etc., can be changed at any time.

In modern life, frequent hair dyeing is said to be harmful to health and carcinogenic. Can we still dye our hair? A few months, half a year, a year, how often is the best time to dye your hair?

It is said that hair dye is harmful to health, and the main culprit is hair dye. Is this true? Hair dye is a general term for a large category of special-purpose cosmetics. If you buy this product from a regular place, it complies with the "Technical Specifications for Cosmetics".

That is, products with the purpose of changing hair color are called hair dyes, and according to the length of hair coloring time, they can be divided into temporary hair dyes (oxidative hair dyes), semi-permanent hair dyes (oxidative hair dyes), permanent hair dyes ( non-oxidative hair dye).

For such cosmetics, many people often worry about whether using them will cause cancer. In animal experiments, through sensitive observation of mice, there were almost no allergic reactions to hair dyes, and the irritation was relatively low.

The most dangerous ones are early hair dyes. Due to the wide variety of products, relevant standards have not yet been formulated. The sources of dyes in hair dyes are different, which may bring greater risks to people's health. Even hairdressers who often come into contact with them may Increased risk of cancer.

However, after the "Technical Specifications for Cosmetics" was promulgated, the ingredients used in the production of hair dyes and the maximum concentration of use have been clearly listed. And a large number of studies today have found that hair dyes that meet safety standards are not carcinogenic to the human body.

Even so, if you are a special group, such as pregnant women and nursing mothers, in order to avoid unnecessary harm and have high sensitivity, it is best not to use hair dye.

In addition, we should pay attention to the fact that it may cause allergies, so it is more recommended for people who dye their hair to avoid skin contact with more complex chemical ingredients, which may continue to irritate the skin and lead to itching, edema, itching, blisters, redness, etc. etc. Wear gloves.

Finally, regarding the frequency of hair dyeing, although hair dye itself does not cause cancer risk, because it contains many chemical components, it is not recommended that you dye your hair frequently. Instead, you should control the frequency of hair dyeing within a healthy range.

The maximum limit for hair dyeing in a year is mainly 4 times, that is, at most 2 times in half a year. A healthier approach is to dye hair once to 2 times a year.