How to Get Rid of Dog Tear Stains (and Why They Keep Coming Back)

Tear stains come from porphyrin, an iron compound your pet's body releases when it breaks down red blood cells. Porphyrin leaves the body in tears. When wet tear residue sits on the fur and meets air, the iron oxidizes, much like rust. That rust color is the stain, and it shows up most on light-colored coats.

Most of the time, no. If your vet told you the stains are cosmetic, they were probably right. But the damp, stained fur under the eye can smell, and it is often what your pet keeps rubbing and pawing at. Keeping the area clean and dry is about comfort as much as looks.

Tear residue starts to oxidize within hours of being cleaned away. A wipe on Sunday is undone by Monday, and by midweek the stain is back where it started. Cleaning twice a day, before the residue has time to set, is what breaks the cycle. Two gentle passes a day work better than one hard scrub every few days.

1. Put 3 drops of eye rinse on a cotton swab. Use a fresh swab for each eye, and never touch the bottle tip to the eye.
2. Gently wipe the stained area from the inner corner of the eye outward, in one direction only. No scrubbing back and forth.
3. Pat the area dry with a soft cloth. Damp fur is what lets the stain set back in.
4. Do it every morning and every night. It takes about 20 seconds.

If your pet won't sit still, put the drops on the swab first, approach from the side rather than head on, and pick a moment when they are relaxed. Most pets settle into the routine within a few days.

• Week 1: crust and debris clear out, and most pets rub and paw at their face less.
• Weeks 2 to 4: redness around the eye settles and the stain stops spreading.
• Weeks 5 to 8: existing stains start to visibly lighten as clean fur grows in at the root.
• Weeks 9 to 12: the last of the stained fur grows out and a clean coat takes its place.

The color can't be washed out of fur that is already stained, because the oxidized iron is bound into the hair itself. It fades as the stained hair grows out, which follows your pet's coat growth cycle of roughly three months. The most common reason people give up is stopping around week four, which is the middle of the process, not the end.

Each one tends to handle only part of the problem. Wipes and water clear the crust but leave residue that sets again overnight. Products that target the stain often ignore the crust and irritation that rebuild every day. A routine that lifts residue twice a day, calms the skin and keeps the area dry covers both halves.

• Anything that promises to remove stains instantly. Existing stains can only grow out, so an instant change usually means bleaching.
• Products with alcohol or harsh preservatives, which can sting.
• Scrubbing back and forth, or touching the bottle tip to the eye.
• Leaving the fur damp after cleaning.

See a vet the same day if you notice any of these:

• Squinting or holding the eye shut
• Cloudiness in the eye
• Yellow, green or bloody discharge
• Swelling or any sign of pain
• Thick, ropey mucus that keeps coming back
• Red, weepy eyes in a cat, which is usually an infection

An eye rinse is a gentle daily cleanser, not a medication, and it is not a substitute for veterinary care.

Furaqua Eye Rinse is made for dogs and cats of every age, including puppies, kittens and seniors. It is alcohol-free, sting-free and pH-balanced for the delicate skin around the eye. Its ingredients are sodium hyaluronate, honeysuckle extract, golden chamomile (Chrysanthellum indicum), taurine and vitamin C, with no alcohol, parabens, dyes or propylene glycol.