Many beauties dye their hair regularly in order to maintain beautiful hair color, and even regard hair dyeing as a fashionable outfit. However, excessive hair dyeing or failure to pay attention to hair dyes may not only cause skin allergies, but also cause the scalp to be irritated by hair dyes for a long time, which may shrink hair follicles and lead to massive hair loss. There are also many questions about safe hair dyeing, such as “How many times can you dye your hair at most in a year?”, “Which dye colors are more harmful to the body?”, “How should you prepare your diet after dyeing your hair?” Dermatologist Zhao Zhaoming The doctor will answer it for you once and for all.
Hair dyeing is limited to four times a year
The biggest fear when dyeing your hair is that it will turn into pudding hair, but you are also afraid of damaging your skin if you dye your hair frequently. How often is the best time to dye your hair? Zhao Zhaoming clearly stated: “According to the regulations of the Ministry of Health and Welfare, it is best to dye once every three months and try not to exceed four times a year.” Because the dye contains many chemical components and metal toxicity, it will cause reactions when absorbed through the skin, which may cause Redness, swelling, itching and other allergic contact dermatitis; many research reports also point out that hair dyeing can easily cause cancer of the urinary system. You should be more careful and control the frequency of hair dyeing.
“Three parts” to avoid contact with dyes
Many girls cannot go back once they step into the dreamy realm of light-colored bleaching and dyeing. The more they dye, the more fascinated they become. Zhao Zhaoming warned that bleaching and dyeing requires multiple layers of hair dyeing to allow the dye to adhere. Therefore, the brighter the color, the greater the damage to the hair and scalp. He suggested that you must apply scalp protection liquid before dyeing, do not choose products of unknown origin, and pay attention to the dye. Do not touch the skin “behind the ears”, “neck” and “face”, otherwise the chance of allergies will be greatly increased. In addition, Zhao Zhaoming specifically reminded that some dyes have a pungent smell and may irritate the respiratory tract, causing allergies or asthma. Special attention must be paid to this point when using it.
It is recommended to apply scalp protection liquid before dyeing, do not choose products of unknown origin, and be careful not to let the dye touch the skin such as “behind the ears”, “neck” and “face”.
“Drink water” + “Eat vitamin C” to detoxify
Dyeing your hair will affect your health to some extent, so you must do a good job of detoxifying after dyeing! Zhao Zhaoming reminded that after dyeing, you must “drink more water” and “supplement vitamin C” to protect the body. Water can accelerate metabolism; vitamin C antioxidants can fight free radicals, so he recommended eating more guava, tomatoes, kiwi fruits, and lemons Or orange can reduce the harm of hair dyeing to the body.
Do not dye or perm on the same day to avoid hair breakage and skin sensitivity
It is often heard that dyeing and perming cannot be done at the same time, but for people who are pressed for time, it is undoubtedly the best choice. But why do designers and doctors recommend dyeing and perming on the same day? Zhao Zhaoming said: “Hair dyeing and perming each use different chemicals. Using two chemicals at the same time will cause great damage to the hair and skin. Not only will the hair break easily, but it will also easily cause scalp sensitivity, so it is better to do it separately.”
Perming your hair is more harmful than dyeing your hair
Most people know that dyes are very harmful to the skin, but they know nothing about perms. In fact, perming is more harmful than dyeing! Zhao Zhaoming explained that whether hot or cold perms are very harmful to hair, and whether straight hair becomes curly, or curly hair becomes straight, it requires stimulation to change the shape of the hair, so the hair will deteriorate and break. Therefore, it is better to take good care of your hair if you perm it than if you dye your hair to avoid frizzy hair.
Most people know that dyes are very harmful to the skin, but they know nothing about perms. In fact, perming is more harmful than dyeing!
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2023-10-23 02:00:42
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