Lip Care Guide: Dry, Cracked Lips, Exfoliation, and What Is Actually in Lip Balm
Lips chap more easily than any other skin on the body, and the reason is structural: lip skin is thinner than facial skin, it has no oil glands of its own, and it has no melanin to protect it from the sun. That combination makes lips vulnerable to cold, wind, dry air, and sun, and it explains why a lip balm that works in summer can fail completely in January. This guide explains what lips actually need, which ingredients help, which ones make things worse, and how to build a lip care routine that works in every season.
Why Lips Chap: The Anatomy of the Problem
Understanding why lips chap starts with understanding what lips are. The skin on the lips is only three to five layers thick, compared with about sixteen layers on the rest of the face. It has no sebaceous glands, the oil glands that keep other skin supple, and no sweat glands, so it cannot moisturize itself. It also has very little melanin, the pigment that gives other skin some natural sun protection. Blood vessels sit close to the surface, which is why lips are red, and why they show damage quickly. When the air is dry, water evaporates from the lips faster than it can be replaced. When the air is cold, blood flow to the lips drops, which slows healing. When the sun is strong, the lips burn easily and without the warning signs that other skin gives.
Everyday habits make it worse. Licking the lips is the most common one: saliva evaporates quickly and leaves the lips drier than before, and the digestive enzymes in saliva irritate already-damaged skin, so licking creates a cycle where the lips feel drier, you lick more, and they get worse. Breathing through the mouth, especially at night or during a cold, dries the lips continuously. Picking or peeling flaky skin tears off layers that were not ready to come off, leaving raw spots that sting and heal slowly. Certain foods and drinks — very salty snacks, acidic fruits, spicy foods — can irritate cracked lips, and some people react to ingredients in toothpaste, particularly sodium lauryl sulfate, which can dry and irritate the skin around the mouth. None of these habits is a character flaw; they are normal responses to discomfort, and the fix is to remove the discomfort rather than to blame the habit.
What Actually Works in a Lip Balm
Lip balm ingredients fall into three groups, and a good balm contains something from each. Occlusives form a physical barrier that stops water from escaping. The most effective occlusive is petrolatum, also known as petroleum jelly, which reduces water loss from the lips by more than ninety percent in testing and is one of the most studied and safest ingredients in skincare. Other useful occlusives include beeswax, lanolin, and shea butter, which also give a balm its structure and staying power. Emollients soften and smooth the surface: squalane, jojoba oil, and cocoa butter fill in the gaps between skin cells and make the lips feel smooth. Humectants attract water: glycerin and hyaluronic acid draw moisture into the lips, but they need an occlusive on top to keep that moisture there, or they can make dryness worse in very dry air.
The best lip balm for most people is a simple one built around petrolatum or a similar occlusive, with a few emollients and no irritants. It does not need to be expensive, and it does not need exotic ingredients. A plain petrolatum ointment, which typically costs a few dollars as of November 2026, is one of the most effective lip treatments available, and it is the product dermatologists most often recommend for severely chapped lips. More elaborate balms can be pleasant, and some add useful features — a sunscreen, a tint, a nicer texture — but the core job is the barrier, and a balm without a strong occlusive is a balm that will need constant reapplication and still leave the lips dry.
Ingredients That Can Make Chapped Lips Worse
Some of the most common lip balm ingredients are also the most likely to cause problems, which is why many people find themselves reapplying balm constantly without ever feeling better. Menthol, camphor, and eucalyptus are cooling agents that feel soothing for a few seconds and then irritate the lips, encouraging more licking and more application. They are the ingredients most responsible for the feeling that a lip balm is addictive, when in fact it is simply irritating the lips it is supposed to heal. Fragrance and flavoring, including natural flavors like peppermint, cinnamon, and citrus oils, are common irritants and allergens, and they are a frequent cause of persistent chapping around the mouth. Salicylic acid and other exfoliating ingredients in lip products can be useful occasionally, but in a daily balm they thin the lip surface and make it more vulnerable.
There is also a subtler problem: balms that feel good but do not protect. A balm that is mostly water, glycerin, and light oils will feel hydrating for a few minutes and then evaporate, leaving the lips drier than before. A balm with a high proportion of wax and very little occlusive will sit on the surface without sealing in moisture. If you find yourself applying lip balm every twenty minutes and your lips are still dry, the balm is probably the problem, not your lips. Switch to a plain occlusive balm for two weeks and see whether the cycle breaks. For most people, it does, and the realization that the expensive balm was the cause is both annoying and liberating.
Exfoliation: When, How, and When Not To
Gentle exfoliation can help lips by removing the loose, flaky skin that makes balm sit unevenly and makes lipstick look patchy. But it must be gentle, infrequent, and never done on cracked or bleeding lips. The simplest method is a soft, damp washcloth: after a warm shower, when the lips are soft, rub the washcloth very gently over the lips in small circles for a few seconds. That is enough. A sugar scrub, made from a small amount of sugar mixed with honey or oil, is also effective if used gently and no more than once or twice a week. Commercial lip scrubs work the same way, and there is no need to pay a premium for one when a washcloth does the job.
What not to do matters more. Do not peel flaking skin with your fingers or teeth, because you will tear off skin that was still attached and create a raw spot that takes days to heal. Do not use a harsh facial scrub or a chemical exfoliant on the lips, because the lip surface is too thin and too sensitive for them. Do not exfoliate every day; the lips renew themselves, and over-exfoliation thins the surface and makes chapping worse. And always apply a thick layer of occlusive balm immediately after exfoliating, to protect the fresh surface. Exfoliation is a finishing step for lips that are mostly healthy, not a treatment for lips that are cracked and sore. If your lips are cracked, bleeding, or painful, skip exfoliation entirely and focus on protection and healing.
Sun Protection for Lips
Lips burn, and lip sun damage accumulates over years in the same way as the rest of the face. Because the lips have little melanin, they are more vulnerable to ultraviolet damage, and chronic sun exposure is a risk factor for a precancerous condition of the lip called actinic cheilitis, which appears as persistent dryness, scaling, and rough patches that do not heal. A lip balm with SPF 30 or higher, broad spectrum, is the simplest protection, and it should be used whenever you are outdoors for an extended period, not only at the beach. Reapply it as you would sunscreen, every two hours outdoors and after eating or drinking.
There are practical challenges. Many lip balms with SPF taste unpleasant, feel waxy, or leave a white cast. Tinted SPF lip balms can solve the appearance problem, and some newer formulas are considerably more pleasant than the older ones. If you cannot find an SPF lip balm you like, a small amount of regular sunscreen applied to the lips works, though it will taste worse and wear off faster. The important point is consistency: lips need sun protection as a daily habit in the same way the face does, and our sunscreen guide explains the broader principles of SPF, reapplication, and texture that apply here too. If a rough, scaly patch on the lip persists for more than a few weeks despite balm and sun protection, see a dermatologist, because persistent lip changes deserve professional attention.
A Lip Care Routine for Every Season
A good lip care routine is short and consistent. In the morning, apply a lip balm with SPF 30 before you leave the house, and reapply it before extended time outdoors. During the day, reapply plain balm whenever the lips feel dry, and keep a balm in the places where you actually are — your bag, your desk, your car, your bedside table — because a balm you cannot reach is a balm you will not use. Before bed, apply a thick layer of an occlusive balm or plain petrolatum ointment, which works overnight while you sleep and protects the lips from dry indoor air and mouth breathing. In winter, increase the thickness and the frequency, and consider a humidifier in the bedroom, which helps the lips and the skin at the same time.
For lipstick wearers, lip care is also makeup preparation. Exfoliate gently the evening before, apply a thick balm overnight, and in the morning, blot off the excess balm before applying lipstick, leaving just a thin layer so the color adheres. Matte lipsticks are the most drying and the most likely to show flaking, so they need the best-prepared lips; if your lips are not in good shape, a satin or sheer formula will look better and feel more comfortable. Remove lipstick gently in the evening with an oil-based remover or a cleansing balm, and reapply plain balm before bed. The sequence is simple, and it makes a visible difference to how lipstick looks and how long it lasts.
| Problem | Likely cause | What helps |
|---|---|---|
| Lips dry within an hour of balm | Balm lacks a strong occlusive | Switch to a petrolatum-based balm |
| Lips sting when balm is applied | Irritating ingredients: menthol, camphor, fragrance | Fragrance-free, plain occlusive balm only |
| Flaking that will not smooth out | Built-up dead skin | Gentle washcloth exfoliation once or twice a week, then balm |
| Cracked corners of the mouth | Moisture, irritation, or a deficiency | Keep the area dry, use plain balm, see a doctor if it persists |
| Lips burn in the sun | No sun protection | SPF 30 lip balm, reapplied outdoors |
| Persistent rough patch | Possible sun damage | See a dermatologist if it does not heal in a few weeks |
When Chapped Lips Need a Doctor
Most chapped lips respond to a plain occlusive balm and the removal of irritants within one to two weeks. Some situations need medical attention. See a doctor or dermatologist if your lips are cracked and bleeding and do not improve after two weeks of gentle care, if the corners of your mouth are persistently cracked, if you have sores or blisters that recur, or if a rough or scaly patch on the lip does not heal. These can be signs of a contact allergy, an infection, a vitamin deficiency, or a medication side effect, and they need a diagnosis rather than a different balm. Certain medications, including some acne treatments and retinoids, cause severe lip dryness as a side effect; if you are taking one and your lips are unmanageable, talk to the prescriber rather than simply buying more balm. This guide is general information, not medical advice, and it is not a substitute for that conversation.
Your Lip Care Checklist
- Choose a fragrance-free balm built around petrolatum or a similar occlusive
- Avoid menthol, camphor, eucalyptus, and strong flavors in daily lip balm
- Apply SPF 30 lip balm whenever you are outdoors for an extended period
- Exfoliate gently, at most once or twice a week, never on cracked lips
- Never peel flaking skin; let it come off on its own
- Apply a thick layer of balm before bed every night
- Keep balm where you actually are: bag, desk, car, bedside table
- See a doctor if lips do not improve in two weeks, or if a rough patch persists
Lip care is one of the simplest routines in beauty, and it is also one of the most commonly sabotaged by the very products sold to help it. A plain, occlusive, fragrance-free balm, sun protection outdoors, gentle exfoliation when the lips are healthy, and the discipline to stop licking and picking will keep most lips comfortable in every season. It is not glamorous, but it works, and your lips will tell you so within a week. For the skincare context around lip care, see our skincare routine guide, our winter skin guide, and our sensitive skin guide.
About the author
Alex Carter is the founder and editor of Glow Ledger. He researches beauty products by reading ingredient lists, comparing formulations across price ranges, and checking brand claims against published dermatology guidance before writing a word. He accepts no payment from brands for coverage. Read more on the About page.
Editorial note: This guide is for general information only and is not medical advice. If you have a diagnosed skin condition, persistent irritation, or a reaction to a product, stop using it and consult a dermatologist. Prices mentioned are typical ranges as of November 2026 and vary by retailer.