Cats spend an astonishing amount of time grooming. It is part hygiene routine, part comfort ritual, and part instinct that traces back generations. But all that licking comes with a familiar side effect that most cat owners know well: hairballs.For some cats, hairballs are little more than an occasional unpleasant moment on the living room rug. For others, they become frequent, uncomfortable, and in more serious situations, potentially dangerous. The challenge is that most owners treat them as an unavoidable part of cat life when, according to veterinarians, they can point to something worth actually addressing. Frequent hairballs are a signal, one that often traces back to diet, hydration, grooming habits, or stress. The good news is that most of the fixes are straightforward, and several of them improve your cats overall health well beyond just reducing hairballs.Why hairballs happen in the first placeA cats tongue is covered in tiny backward-facing barbs, which is why it feels like sandpaper. Those barbs are excellent for grooming, but they also catch loose fur and send it straight down the throat. Most of it passes through the digestive tract without issue. Some dont. It accumulates in the stomach and gets coughed back up as the dense, cylindrical clump youve come to recognize.In more serious cases, that accumulation doesnt come back up at all. It becomes a gastrointestinal blockage, which is when a hairball stops being a nuisance and becomes a vet visit.The easiest and most overlooked fix: brushingThis sounds too obvious, but its consistently the most underused solution. When a cat grooms itself, its essentially ingesting whatever loose fur hasnt been removed yet. Brush it out first, and theres simply less of it to swallow.Grooming gloves and de-shedding tools work well, especially with cats who arent used to being brushed. Short, frequent sessions tend to go better than long ones. Most cats will tolerate a few minutes before theyre done with you.Image Credit: VolkovAl, ShutterstockYour cat probably isnt drinking enough waterCats evolved in arid environments, which means their thirst drive is genuinely low. Many cats on a dry food diet are mildly dehydrated most of the time, not dramatically so, but enough to make hairball formation worse. Hair that would otherwise pass through more easily tends to accumulate instead.Wet food is the most straightforward fix. Broth made without onion or garlic is another option. Water fountains also tend to get more use than still bowls, since cats are naturally drawn to moving water over standing water.The fiber connectionHairball-specific cat foods address this, but the core issue is simple: when a cat doesnt get enough dietary fiber, hair accumulates in the stomach rather than moving through. Higher-fiber wet food formulas are generally what vets recommend.Plain canned pumpkin is also worth knowing about. Its a reliable fiber source, it adds moisture to your cats diet, and most cats will eat it mixed into a meal without issue.Image Credit: Ildi Papp, ShutterstockAn ingredient you probably havent considered: lecithinPart of what makes hairballs persistent is an oily coating that binds the fur together and causes it to stick to the stomach lining. Lecithin, an emulsifier, can help break that up so the hair passes through rather than collecting.Two food sources that contain it are egg yolks and soybeans. Half a raw pasteurized egg yolk added to daily meals is a common approach, though it adds roughly 27 calories, so its worth adjusting portion sizes accordingly. Egg yolks also contain choline, which supports digestive motility, meaning things keep moving the way they should. Lecithin is also available as a supplement if youd rather go that route.When the problem is anxiety, not groomingSome cats overgroom because theyre stressed. If a cat is licking themself compulsively, not just cleaning but doing it in a way that feels driven, thats a behavior issue, and it dramatically increases fur ingestion. Its similar in pattern to destructive chewing in dogs.Managing it means figuring out whats causing the anxiety and reducing it where possible. Environmental enrichment, positive reinforcement, and in persistent cases, working with a veterinary behaviorist can all help. A cat that isnt chronically stressed grooms normally and produces far fewer hairballs.Two more practical optionsCat grass gives indoor cats a source of fiber and something to do. Its thought to help cats expel hairballs, and it offers the kind of sensory stimulation that can reduce boredom-driven overgrooming. Its easy to grow in small containers near a window.Petroleum jelly (the plain kind) is actually one of the active ingredients in commercial hairball remedies. A small amount smeared on a cats paw will be licked off quickly and acts as a lubricant in the digestive tract. Most vets recommend it as occasional relief rather than something to use daily.Image Credit: Olga_Malinina, ShutterstockThe bigger pointOccasional hairballs are a normal part of having a cat. Frequent or difficult ones are a signal that something in the cats routine deserves a second look. Diet, hydration, coat maintenance, and stress levels all play into how often they happen and how hard they are to pass. Most of the adjustments that help are inexpensive, low-effort, and good for the cat regardless of the hairball problem. Thats what makes them worth actually doing. SourcesUSDANIHDVM Featured Image Credit: Montakan Wannasri, ShutterstockDid You Know? Our brand-new posts are rounded up and included in our weekly emails. Dont miss out on the latest sign up for our newsletter below!