If you clean the eyelids every day, it decreases the likelihood of forming conjunctivitis and blepharitis, also prevents in light-coated cats, the red coloring of the hair in the nasal corner of the eye, which is due to the coloring of a pigment contained in ocular secretions: porphyrin
porphyrin
Emitted from ocular secretions, this substance, in contact with the air, takes on a reddish color leaving indelible traces.
It is therefore advisable to clean the area with a gauze soaked in a specific detergent liquid or, failing this, with a simple physiological solution.