How to Remove Dog Tear Stains: What Works and What's Dangerous
- matthew kurtz
- Aug 16
- 3 min read
Those rusty red stains under your dog's eyes can be stubborn. You clean their face, and a day or two later, the reddish-brown tracks are back.
At Plain & Fancy Pet Salon, we get asked about this every week. Owners want to know how to remove dog tear stains without hurting their dog's eyes or buying products that do nothing.
Getting rid of those marks comes down to a few basic things: understanding what causes the stain, keeping the hair dry, and using a safe daily cleanup routine.
Why Light Dogs Get Red Stains
To figure out how to remove dog tear stains, it helps to know why the hair turns red in the first place.
It isn't just dirt.
Dogs shed natural compounds called porphyrins in their tears, saliva, and sweat. Porphyrins contain iron. When tears sit on light fur and hit the air, that iron oxidizes and turns a rusty color.
When the hair stays wet, yeast and bacteria start growing. That makes the stain darker and causes a sour smell.
Common reasons for extra tearing include:
Facial Structure: Shallow eye sockets or narrow tear ducts cause tears to spill over onto the face.
Tap Water: Hard tap water with high mineral content can increase staining.
Teething: Puppies often tear up more while cutting adult teeth.
Food Allergies & Sensitivities: Fillers or specific protein sensitivities can trigger inflammation and extra eye discharge. Upgrading your pup's daily bowl to include essential fatty acids and clean ingredients can help reduce skin irritation. Check out our guide on dog nutrition for healthy skin for actionable feeding tips.
How to Remove Dog Tear Stains Safely at Home
A lot of online advice for how to remove tear stains is actually dangerous. Never put hydrogen peroxide, human wipes, baby shampoo, or vinegar near your dog's eyes. These can burn the skin or damage their eyes.
Here is a safe daily routine you can use at home:
Wipe daily: Use a warm, damp cloth or basic contact lens saline to wipe away fresh crusts every morning. Always wipe away from the eye.
Comb the corners: Use a fine-toothed eye comb to gently catch tiny crusts before they dry into hard mats.
Keep the area dry: Moisture makes staining worse. Dab their face dry after they drink water or play outside.
Use stainless steel bowls: Plastic bowls collect bacteria over time, which can irritate your dog's face while they eat.
Switch to filtered water: Using filtered water instead of hard tap water often cuts down on staining within a few weeks.
When to Let a Groomer Handle It
Daily wiping keeps fresh tears under control, but old stains can dry into hard knots against the skin. Trying to cut these out at home with scissors is risky because dogs move quickly.
During an appointment, we safely trim away that dead, stained hair right around the eyes. We also use gentle face washes to clean off buildup.
Let us clear away those crusty eye corners so you can start with a clean slate at home. Take a look at our full list of pet grooming services to schedule your pup's next face trim.
When to Call the Vet
Most tear stains are just a cosmetic pain, but sudden eye discharge can mean an infection or irritation. Skip the home cleanup and call your vet if you see:
Your dog squinting or rubbing their eyes
Yellow or green discharge instead of clear tears
Red or swollen eyes
A sudden jump in tear production
Things like scratched eyes, blocked tear ducts, or inward-growing eyelashes need a vet's care.
Stick with It
Learning how to remove dog tear stains takes patience. It usually takes four to eight weeks of daily wiping and keeping the face dry to see clean, new fur grow in.
If those eye corners have gotten too crusty or hard to manage at home, let us take care of it safely for you. You can get in touch with our grooming team to set up an appointment or ask us questions about your dog's coat.
For more straightforward pet care guides, browse through our pet care blog.
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