Hair coloring and shampooing to get water in the eyes allergy should be treated immediately by rinsing the eyes with water, oral anti-allergy drugs and other methods. 1. Immediately rinse the eyes with water: most hair dyes contain lead, mercury, arsenic and other toxic heavy metals, which may cause allergies and damage to the skin, eyes and other organs. Eyes should be rinsed immediately when allergy occurs, such as turning the head to the side, gently peeling open the eyelids, while rinsing with water and turning the eyeballs as much as possible to make the hair dye in the eye rinsed clean. 2. Anti-allergy treatment: If allergic symptoms occur to certain components of hair dye, such as redness, swelling, itching, pain and other discomforts, in addition to the need for immediate rinsing of the eyes, you also need to take anti-allergy medications under the guidance of a doctor, such as loratadine tablets, which can alleviate the allergic symptoms caused by the use of hair dyes. It is recommended that patients go to the hospital in time and follow the doctor’s instructions for treatment.