The first 48 hours, in short
Do this
- Ice in short spells – ten minutes on, twenty off
- Sleep propped up for two or three nights
- Drink water, eat normally
- Expect it to look worse before it looks better
Skip this
- Strenuous exercise, 24-48 hours
- Alcohol, 24 hours
- Sauna, steam, hot yoga, sunbeds
- Straws, smoking, pressing on your lips
- Lip makeup, 24 hours
What’s actually happening to your lips
Understanding the mechanism makes the aftercare obvious rather than arbitrary, so it’s worth ninety seconds.
Nearly all modern lip filler is hyaluronic acid – a sugar molecule your body already makes and already knows how to break down. Two things happen the moment it goes in.
The first is mechanical. A needle or cannula has passed through tissue with a rich blood supply and very little slack. Your body responds the way it responds to any minor injury: vessels dilate, fluid moves in, tissue swells. That’s inflammation doing its job, not a complication.
The second is chemical. Hyaluronic acid draws water to itself. That’s the entire point – it’s how the product creates volume. But it doesn’t stop drawing water when you leave the treatment room.
The swelling isn’t an overfill. It’s the product doing exactly what it was designed to do, plus your body reacting to being injected. Both settle.
This explains why people panic on day two and why almost none of them need to. It also explains every rule below: anything that increases blood flow to your face – heat, exertion, alcohol, lying flat – increases swelling and bruising. Anything that introduces bacteria to a fresh injection site risks infection. That’s the whole logic.
The recovery timeline, day by day
Treat this as the common pattern rather than a schedule you’re failing to meet.
- First 4 hours
Tenderness, mild swelling, possible pinprick marks. Lips may feel firm or foreign.
Ice intermittently. Don’t touch. Stay upright.
- Day 1
Swelling builds. Lips feel tight. Bruising, if it appears, starts showing now.
Ice, elevation, water. No exercise, alcohol or heat.
- Days 2-3 – peak swelling
Often the point where lips look larger or less even than you wanted. This is the hardest day to hold your nerve and the least useful day to judge anything.
No decisions. No comparisons. No booking a top-up.
- Days 4-7
Swelling drops noticeably. Bruising shifts from purple toward yellow-green and fades.
Back to normal activity. Resume exercise once comfortable.
- Week 2
Most swelling gone. Small firm areas may still be palpable from the inside.
Flag anything that feels like a distinct hard lump.
- Weeks 2-4 – the real result
Filler has settled and integrated with the tissue.
Now assess, photograph, and book a review if you want adjustment.
The practical implication: don’t judge your lips before two weeks, and don’t book a top-up before then either. A great many of the “my filler went wrong” posts online are photographs taken on day three.
The first 24 hours
This is the window that matters. Everything after it is maintenance.
Keep your head above your heart
Gravity is free and it works. Stay upright during the day and avoid lying flat or face-down. If you have a desk job, you’re already doing this correctly.
Leave them alone
Resist the urge to prod, press, purse, or check the symmetry in every reflective surface you pass. Fresh filler is still settling into position, and firm pressure in the first day is one of the few things that can genuinely move it.
Drink water, eat normally
There’s no special diet. Hydration supports normal healing and there’s no benefit in restricting food. If chewing feels awkward, softer food is a comfort choice rather than a clinical one.
Reach for paracetamol, not ibuprofen
Paracetamol (acetaminophen) doesn’t affect platelets. Ibuprofen and aspirin thin the blood slightly and make bruising worse. If you take aspirin or a blood thinner as prescribed medication, don’t stop it – that decision belongs to the doctor who prescribed it, not to an aftercare guide.
How to ice properly
Almost everyone ices. A surprising number do it in a way that achieves nothing or makes things worse.
- Ten on, twenty off. Continuous cold constricts blood flow too long and irritates already-traumatised tissue. Short cycles work better and feel better.
- Always use a barrier. A clean cloth between the cold source and your lip. Never ice directly onto skin.
- Rest it, don’t press it. The cold does the work. Pressure doesn’t – and pressure on day one is precisely what you’re avoiding.
- Use something clean. A reusable gel pack living in a freezer drawer isn’t sterile. A sealed bag of frozen peas in a clean cloth is a better bet, and cheaper.
- First 24-48 hours only. After that, cold gives you very little. Ice doesn’t speed up swelling that has already peaked.
Exercise, heat and alcohol
These three share one mechanism – they all increase blood flow to your face – which is why they share one rule.
Exercise
Give it 24 to 48 hours before anything strenuous. Raised heart rate and blood pressure push more fluid into tissue that’s already inflamed, and inverted positions make it worse. Walking is fine from the start. Hot yoga is the worst possible choice on day one – heat, exertion and inversion in a single session.
Heat
No sauna, steam room, hot tub, sunbed or long hot bath for at least 48 hours. Heat dilates blood vessels; dilated vessels mean more swelling and more bruising. Keep direct sun off a fresh bruise too, or it can pigment and take longer to fade.
Alcohol
Avoid it for 24 hours after, and ideally 24 hours before. Alcohol dilates vessels and mildly impairs clotting – the most reliable way to turn a faint mark into a visible bruise. This is genuinely the most skipped instruction and the most common cause of avoidable bruising.
Eating, drinking and straws
The instruction everyone hears is “no straws.” The reason is rarely explained: it isn’t the straw, it’s the pursing. Any sustained puckering applies pressure to fresh filler. Same for whistling, wind instruments, smoking and vaping.
Give it 24 to 48 hours. Skip very hot drinks on day one too – partly the heat, partly because numbness from local anaesthetic leaves you less able to judge temperature.
Smoking deserves its own line. Beyond the pursing, it constricts blood vessels and impairs wound healing generally. If you wanted a reason to pause for a few days, this is one.
Makeup, skincare and kissing
Keep lipstick, liner and gloss off for 24 hours. The injection sites are tiny open wounds, and cosmetics – particularly products that have lived in a handbag for two years – carry bacteria. Infection after lip filler is uncommon, and most of the times it happens, something got introduced.
Avoid kissing and firm facial massage for 24 to 48 hours. Both are pressure on a settling product, and one is also a bacterial exposure.
If you use retinoids, acids or benzoyl peroxide, keep them away from the perioral area for a couple of days. Your usual regimen can resume once the injection points have closed.
Cold sores – the one people forget
If you’ve ever had a cold sore, tell your injector before treatment, not after.
Herpes simplex lives dormant in the nerve ganglia of a large share of the adult population. Trauma to the lip – which is exactly what an injection is – is a well-recognised trigger for reactivation. A significant outbreak on freshly treated lips is uncomfortable, delays healing, and in rare cases contributes to infection or scarring.
This is straightforward to manage in advance. Where there’s a history of cold sores, a short course of antiviral prophylaxis started before the appointment substantially reduces the chance of an outbreak. Started after the tingling begins, it helps considerably less.
The reason it’s in an aftercare guide rather than a pre-care one: most people only remember their cold sore history when they feel the first tingle on day two. If that’s you, contact your injector the same day rather than waiting to see how it develops.
Dental work, vaccines and flying
Dental treatment
Leave roughly two weeks either side. Dental procedures release bacteria into the bloodstream, and bacteria reaching a filler deposit can seed a low-grade infection or biofilm that’s difficult to clear. Separately, dental work involves prolonged stretching and retraction of the lips – mechanical stress you don’t want on fresh product.
Vaccinations
Delayed inflammatory reactions in filler following vaccination have been documented, most visibly during the COVID-19 rollout. They’re uncommon, usually self-limiting and treatable – but many injectors suggest around two weeks between filler and a vaccine where scheduling allows. Never delay a vaccine your doctor considers necessary in order to have cosmetic treatment. Move the filler, not the medicine.
Flying
The claim that cabin pressure makes filler swell or migrate is repeated constantly and supported very thinly. Cabin pressure changes are modest and the effect on a small subcutaneous gel deposit is likely negligible.
The honest argument for waiting is simpler: if something does go wrong in the first few days, you want to be in the same city as the person who treated you – not at thirty-five thousand feet.
Bruising: what helps and what doesn’t
Bruising is common, it isn’t a sign of poor technique, and the lip is a forgiving place to bruise because it heals quickly.
What genuinely reduces it
- Avoiding alcohol for 24 hours either side
- Avoiding NSAIDs, fish oil, vitamin E, ginkgo and high-dose garlic for several days beforehand – unless prescribed
- Ice in the first 24 hours
- Skipping strenuous exercise on day one
- An injector who uses a cannula where appropriate, which reduces vessel trauma
Where the evidence is weaker than the marketing
Arnica and bromelain are recommended almost universally in aesthetics, and the evidence behind them is genuinely mixed – some small studies suggest modest benefit, others show nothing. They appear harmless for most people, so if you want to use them, there’s little reason not to. But they aren’t the reason you will or won’t bruise, and no supplement outperforms simply skipping the wine.
Once a bruise has appeared, there isn’t much to do beyond time and concealer. It’ll move through purple, green and yellow over roughly seven to ten days.
Lumps, bumps and uneven days
Almost everyone feels something in the first fortnight. Most of it is normal and most of it resolves.
| Usually normal | Worth a call |
|---|---|
| Small firm areas felt from the inside, first two weeks | A distinct lump still there at three to four weeks |
| One side settling faster than the other in week one | Asymmetry still obvious at four weeks |
| Tenderness when pressed, fading daily | Tenderness that increases rather than decreases |
| Slight irregularity in the lip border early on | A firm, red or warm nodule at any point |
| Feeling “full” at day three | New swelling or nodules weeks or months later |
That last row matters. Delayed-onset nodules can appear weeks or even months after treatment, often triggered by illness, dental work or vaccination. They’re uncommon and usually treatable, but they aren’t something to monitor at home indefinitely.
Where a lump is genuinely product-related and doesn’t resolve, the remedy is usually straightforward – a small amount of hyaluronidase to dissolve the affected area rather than the whole treatment. Worth knowing that option exists, because it removes most of the fear from the situation.
Should you massage your lips?
Only if the person who injected you has told you to, and only in the way they showed you.
This is one of the worst pieces of internet aftercare advice in circulation. Massage is sometimes appropriate – for specific irregularities, at a specific point in healing, with a specific technique. Applied enthusiastically on day one by someone following a video, it can displace product that was correctly placed and create the exact asymmetry it was meant to fix.
If you think something needs moving, ask. Don’t freelance.
Call your injector immediately
Don’t wait and see if any of these appear:
- Pain that’s severe, or getting worse rather than better. Normal discomfort declines each day. Escalating pain doesn’t.
- Skin that turns white or blanched, or develops a dusky, grey, blue or mottled lacy pattern.
- A lip or nearby skin that feels cold to the touch compared with the other side.
- Any change in vision, or pain around the eye.
- Spreading redness, heat, swelling or pus, particularly with fever.
- Difficulty breathing, or swelling of the tongue or throat – call 911, not the clinic.
These can indicate a vascular occlusion – filler compressing or entering a blood vessel and interrupting blood supply. It’s rare. It’s also the one complication where hours matter, because it’s highly treatable when addressed early and far less so when it isn’t. No competent injector will be annoyed at being called. Every one of them would rather see you for nothing.
Less urgently, but still worth a call: an unresolved lump at four weeks, a cold sore outbreak, asymmetry that hasn’t settled after a month, or simply the feeling that something isn’t right. You aren’t being difficult. Reviewing patients is part of the job.
Myths worth dropping
- “Filler migrates if you don’t sleep in a particular position.”
- Migration is overwhelmingly a function of product choice, placement, volume and repeated overfilling over time – not which way you faced for one night. Sleeping elevated helps with swelling, which is a different thing.
- “You must massage every day so it doesn’t set lumpy.”
- Covered above. Unless instructed, don’t.
- “Drinking a lot of water flushes the filler out faster.”
- It doesn’t. Hydration is good for healing and good for you. It has no meaningful effect on how long hyaluronic acid filler lasts.
- “If it looks too big on day two, you were overfilled.”
- Day two is peak swelling. Judging volume then is like weighing yourself straight after a large dinner.
- “Bruising means the injector was rough.”
- The lip has a dense vascular supply. Even excellent technique bruises sometimes – and a cautious injector who aspirates and repositions to avoid a vessel may well leave a mark doing it.
- “Exercise sweats the filler out.”
- No. The reason to skip the gym for a day is swelling and bruising, nothing more.
What aftercare can’t fix
Aftercare protects a good result. It doesn’t create one, and it’s worth being plain about that.
If too much product was placed, or placed in the wrong plane, no amount of ice and elevation resolves it at week four. If the shape is wrong for your anatomy, it’ll still be wrong once the swelling is gone. These are technique questions, decided before the needle goes in – which is the real argument for spending more time choosing an injector than choosing an aftercare routine.
The good news is that hyaluronic acid filler is reversible. A result you don’t like is a problem with a solution, which isn’t true of every aesthetic treatment.
And if you’re still deciding, a lip flip – a few units of neuromodulator to roll the upper lip outward – is a lower-commitment way to test a change before committing to filler at all. The trade-offs are on our lip enhancement page.
Questions people ask
How long does lip filler swelling last?
Swelling peaks at 24 to 72 hours and the bulk of it resolves within one to two weeks. The settled result is visible at two to four weeks. If swelling is still significant beyond two weeks, or increasing rather than decreasing, contact your injector.
When can I exercise after lip filler?
Wait 24 to 48 hours before anything strenuous. Walking is fine immediately. Hot yoga, saunas and high-intensity training should wait the full 48 hours, because heat and raised blood pressure both worsen swelling and bruising.
Can I drink alcohol after lip filler?
Avoid it for 24 hours afterwards, and ideally 24 hours beforehand. Alcohol dilates blood vessels and mildly impairs clotting, which makes bruising significantly more likely.
Why do my lips look uneven after filler?
Uneven swelling in the first week is normal – the two sides rarely settle at the same rate. Assess symmetry at four weeks, not four days. If it’s still obvious at four weeks, book a review; small adjustments are routine.
Can I kiss after lip filler?
Wait 24 to 48 hours. The concern is firm pressure on product that’s still settling, plus bacterial exposure at fresh injection sites.
Why can’t I use a straw?
It isn’t the straw – it’s the pursing motion, which applies sustained pressure to fresh filler. The same applies to smoking, vaping, whistling and wind instruments. Give it 24 to 48 hours.
When can I wear lipstick again?
After 24 hours. The injection points are small open wounds, and cosmetics – especially older products – can introduce bacteria. Use clean applicators when you resume.
Is it normal to feel lumps?
Small firm areas felt from the inside are common in the first two weeks and usually settle as the product integrates. A distinct lump still present at three to four weeks, or any lump that’s red, warm or increasingly tender, should be reviewed.
Does lip filler hurt afterwards?
Expect tenderness for a few days, easing daily. Paracetamol is preferable to ibuprofen or aspirin, which thin the blood and increase bruising. Pain that increases rather than decreases is not normal and warrants an immediate call.
Can I fly after lip filler?
The evidence that cabin pressure affects filler is weak. The better reason to wait a few days is practical: if a complication arises, you want to be near your injector rather than mid-flight.
How long after lip filler can I have dental work?
Allow around two weeks in either direction. Dental procedures introduce bacteria into the bloodstream, which can seed infection around filler, and they involve prolonged stretching of the lips.
What are the signs of a vascular occlusion?
Severe or escalating pain, skin that blanches white or turns dusky, grey, blue or mottled, coldness compared with the other side, or any visual change. It’s rare but time-critical and highly treatable when caught early. Contact your injector immediately rather than waiting.
When will I see my final result?
Two to four weeks. That’s the point to assess, photograph and decide on any adjustment – not before.
What if I don’t like my lips once they settle?
Hyaluronic acid filler can be dissolved with hyaluronidase, either partially to correct one area or completely. It’s a normal part of practice and not a difficult conversation to have.
The short version
Ice sensibly, sleep propped up, skip the wine and the gym for a day, keep makeup off for twenty-four hours, and don’t judge anything until two weeks have passed. Tell your injector about cold sores before rather than after. And if pain is increasing or your skin changes colour, call straight away – that’s the one situation where waiting is the wrong instinct.
Everything else is patience, which is genuinely most of aftercare.
