The Red Ring Around Her Mouth Is From Licking It

By the third week of heating season, my younger one had a pink outline around her mouth, like she had eaten a red popsicle and never wiped. It stung when she drank juice. It stung when I washed her face.

And every few minutes, her tongue came out and went all the way around. She was fixing the dry feeling the only way she knew. She was also making the ring.

Why are kids’ lips so chapped in winter?

Winter is rough on lips. Outside, cold wind pulls moisture away. Inside, the heating runs all day and the air gets dry enough to crackle. Kids go from one to the other a dozen times a day, from the car to the store to the playground and home again, and their lips never get a break.

The American Academy of Dermatology names cold, dry weather, sun damage and frequent lip licking as common reasons lips get dry and chapped. Kids manage all three. They play outside with their mouths open, breathe through their mouths when they have a cold, and lick whatever feels rough.

Sleep is part of it too. A stuffy nose at night means a child breathes through the mouth for hours, and that air dries the lips while everyone is asleep. That is why the worst lips often show up at breakfast.

If your child’s cheeks and hands are also rough and red this time of year, that is a wider skin story. There is a full guide on winter eczema in toddlers, and some of the same habits help both. For the lips alone, keep reading.

What is the red ring around the mouth?

That pink or red outline has a name: lip licker’s dermatitis. It is the skin reacting to the child’s own saliva. DermNet, a dermatology reference, describes it as common in school-aged children and says it tends to cover the area the tongue can reach. It also notes that symptoms can get worse in winter.

So the ring has a sharp edge. It stops where the tongue stops. The skin inside it can look dry, scaly, red and sore, and it may crack or peel.

That is the loop. Dry lips feel bad, licking feels better for a second, then the lips dry out worse than before. A four year old cannot reason her way out of that, so the fix has to be something you set up for her. DermNet says changing the licking habit is essential, alongside a plain lip balm. If the ring is very sore or will not settle, your pediatrician may suggest a medicated cream.

What actually helps chapped lips heal?

The boring options work best, and most are already in your house.

• A thick, plain ointment, often. The AAD suggests a non-irritating balm several times a day and before bed, and a thick ointment such as white petroleum jelly for very dry, cracked lips. Put it on the ring around the mouth too.
• A humidifier in the bedroom. The AAD says one in the bedroom can help, especially for kids who breathe through their mouths at night. Keep it clean.
• Water through the day. Chapped lips are dry lips, so a water bottle on the table is a small, real help.
• A scarf or neck gaiter over the mouth outside. It blocks wind and makes licking awkward.
• SPF on snow days. The AAD advises a non-irritating lip balm with SPF 30 or higher before going outdoors, reapplied every 2 hours. It notes that the sun can burn dry, chapped lips more easily.

Which lip balms make it worse?

The cute ones, mostly. A balm that tastes like strawberry cake is an invitation to lick it off, and then you are back where you started. Some ingredients also irritate lips that are already cracked.

The AAD lists ingredients to stop using while lips are chapped. The list includes camphor, eucalyptus, menthol, fragrance, lanolin, salicylic acid and flavors such as cinnamon, citrus, mint and peppermint. That cool tingle some balms give is a sign of irritation, even if it feels like the product is working.

A quick test at home: if your child says it burns or stings, wipe it off and stop using it. Look for fragrance free on the label. Plain petroleum jelly passes almost every time, and it is cheap enough to keep a tub in every room (and one in the car).

How do you get a kid to stop licking?

Name the feeling first. “Your lips feel tight and scratchy, huh?” lands better than “stop licking” for the ninth time. Then give the tongue something else to do.

Make bedtime a “lip job.” They get a mirror, a clean fingertip and a thick layer of ointment, and they check their own work. Kids tend to like a small tub with their own name on it.

Agree on a quiet hand signal, like a tap on your own chin, for when you see the tongue come out. A thick layer of ointment helps too, because it feels odd to lick. Some kids lick for sensory comfort as much as dryness. If yours mouths sleeves and pencils all day, a chew necklace may give that urge a safer target. Kids who hate the greasy feel may be dealing with texture sensitivity, so start with a thin layer at night.

When is it not just chapped lips?

Most chapped lips get better at home. The AAD says you should see clear improvement in 2 to 3 weeks with good care. If you don’t, call your pediatrician, because an allergic reaction or a yeast infection can look like plain dryness.

Cracks at the corners of the mouth are often angular cheilitis. Cleveland Clinic explains that saliva collects in the corners and dries the skin, and sucking a thumb or pacifier or drooling in sleep can trigger it. Sometimes the cracks get infected, so have them checked.

Crusty, golden-brown patches around the nose and mouth may be impetigo. The NHS says it starts with red sores or blisters that burst and leave those crusts, and that it is very infectious. Call before you go in.

A cold sore usually starts with tingling or burning, then small blisters. The NHS says cold sores should start to heal within 10 days, so a sore that doesn’t needs a visit. So does lip swelling, burning or a new rash after a new product, which can mean a reaction. Anyway. Most winters, it really is just the licking.