Kid has allergy to husband’s Hair Growth Treatment

Patient: My husband started using Men’s Rogaine Extra Strength Hair Regrowth Treatment about a month ago. Our son has redness at both eyes about three weeks (and has now, it’s not disappearing). We even consulted a pediatrician about this (he said this is allergy for smth.) Could it be side effect of Hair Regrowth Treatment? Our son likes to fall asleep near my husband exactly after husband applied Hair Regrowth Treatment.