Olo-2 Preventing Itchy, Red or Watery Eyes due to allergies (eg. Pollen, Pollution, Dust, Animal dander). Olo-2 may be used alone or with other allergy medicines.

Olo-2 is an Antihistamine. It works by blocking the action of Histamine, which reduces the eye symptoms of an Allergic Reaction (eg. Itchy, Red & Watery).