When dyeing hair, you should pay attention to avoid hair dye contacting scalp and facial skin as much as possible. A small amount of vaseline ointment can be applied to the skin at the hairline, and earmuffs can be worn for protection. Nursing products containing amino acids, provitamin B5, hydrolyzed wheat protein and other ingredients can repair hair damage caused by dyeing, and are suitable for use after dyeing.
Scientific selection of hair dye;
It is also important to choose hair dyes scientifically. According to China Economic Net, when choosing hair dyes, it depends on whether the production batch number is regular, and all regular hair dyes have production batch numbers.
Its safety has been evaluated by the Ministry of Health, and it has obtained the approval number of special-purpose cosmetics in People's Republic of China (PRC) and the approval number of the Ministry of Health in China, with the approval number of hygiene license. Any product that is not available is illegal. Try not to buy it. In addition, try to buy well-known brands of hair dye products from big manufacturers, which are relatively reliable.
The above contents refer to:
People's Network-Improper hair dyeing is easy to cause cancer? If you want to dye your hair healthy, you must know this.
Baidu encyclopedia-permanent hair dye