CleanOcular is used for dogs and cats for regular cleaning around the eyes and eyelids. CleanOcular can also be used before and and as a part of a a medical treatment for an eye infection. CLEANOCULAR - PROPERTIES CleanOcular contains salicylic acid, which is known for its keratolytic properties and can help eliminate the darkening caused by tear stains around the eyes of lighter coloured animals. The boric acid in CleanOcular is an antimicrobial with disinfectant power. Witch hazel and cornflower distillate have softening and calming properties. CleanOcular has a pH of 7.4, which is identical to that of dogs' and cats' tears, ensuring that your pet will tolerate the drops.