"Possible irritants" refers to things or substances that have the potential to cause annoyance, discomfort, or an adverse reaction in someone. Full definition
Owners should also try to switch on the air - conditioning or fan when possible, change water bowls frequently, and use doggy eye wash or eye drops to help flush out possible irritants and dust. (petsmagazine.com.sg)
This also makes it easier if you are trying to figure out a skin irritation, then you will be able to rule out possible irritants fast considering it is only three ingredients. (grassfedgirl.com)
Other possible irritants in the home include detergents used to wash blankets and bedding, household cleaners, or sprays used in the yard. (happytailsspa-blog.com)