Formaldehyde is a colorless, flammable, irritating gas at room temperature and pressure. Formaldehyde is a toxic substance that can cause damage to the kidneys and other vital organs, as well as skin irritation and possibly cancer.
Formaldehyde can be absorbed by the respiratory and gastrointestinal tracts, and small amounts can be absorbed by the skin. Formaldehyde is a semi-antigenic substance, absorbed by the skin, and the epidermis in the protein binding to form antigens, activate T lymphocytes, when re-exposed to formaldehyde, can cause type Ⅳ metamorphosis, resulting in metamorphic contact dermatitis or other types of skin allergic damage.
If skin allergy occurs after contact with formaldehyde, you should seek medical treatment in a timely manner, and should not take any unauthorized treatment to avoid delaying the condition. Pay attention to avoid contact with such chemicals on weekdays and do a good job of personal protection.