What Is Porphyrin? The Science Behind Your Dog's Tear Stains
That reddish-brown staining under your dog's eyes has a name and a mechanism. Understanding porphyrin is the first step to addressing it effectively.
Dog Category
Health & Wellness
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White Dog Tear Stains: Which Breeds Get Them and Why
Tear staining isn't random. Certain white-coated breeds are almost guaranteed to deal with it — not because of their coat color, but because of what's behind their eyes.
How to Get Rid of Tear Stains on Dogs and Cats: A Science-Backed Guide
Those reddish-brown streaks under your pet's eyes have a name, a cause, and a solution path that goes deeper than wiping with a damp cloth every morning.