Facial laser aftercare: what to do at each stage of recovery

Most post-laser content hands you a single list: stay out of the sun, moisturize, no acids. All true. And all useless on day four, when your skin starts peeling and nobody told you it would.

The trouble with a single list is that it treats recovery as a state. It isn't. It's a sequence, and each stage has a different need, sometimes the opposite of the stage before. What protects the skin on day one gets in the way on day ten. What works for one laser doesn't work for another.

This article breaks it down by stage and by type, which is how it actually happens.

First things first: which laser did you have

Laser aftercare depends more on the type of laser than on any product. And the difference between types comes down to one thing: whether the surface layer of the skin was removed or not.

Someone who had a non-ablative laser and reads a CO2 protocol will think something went wrong, because they aren't peeling. Someone who had CO2 and reads a non-ablative protocol will panic on day two. Before you follow any advice from the internet, know which of the three you had, and follow what your clinic gave you, not whatever Google shows first.

How long the skin takes to heal

For CO2 laser, Memorial Sloan Kettering tells patients to expect 1 to 2 weeks for the skin to heal, and the skin stays very sensitive during that time. It's the most honest reference out there, because it comes from patient education material, not a sales page.

But "healed" and "recovered" aren't the same thing. Closing the barrier takes that long. Residual redness lasts longer, and skincare guidance is to avoid sun exposure for 2 to 3 weeks after the procedure, with daily sunscreen, precisely because the skin stays inflamed past the point where it looks normal.

For non-ablative laser, the math is different: redness for a few hours to a few days, and a near-immediate return to normal routine. Short recovery is the selling point of this type of laser, and it's real.

What happens day by day

First 24 hours

The skin is hot, red and sensitive to the touch. With ablative laser there may be clear oozing. That's expected, not infection.

• Cold compresses, never ice directly on the skin.
• Gentle cleansing, with clean hands and room-temperature water, no scrubbing and no rubbing with a towel.
• A layer of occlusive moisturizer as your clinic directed, to keep the barrier moist while it doesn't exist yet.
• No makeup, no acids, no exfoliants.
• Sleeping with your head elevated helps with swelling.

MSKCC teaches its CO2 patients to make a diluted white vinegar solution, 1 tablespoon to 1 cup of water (about 8 oz), kept covered in the fridge for up to 5 days, for compresses during this stage. It's one institution's protocol, for one specific ablative laser. Don't do it on your own. Ask your clinic what their protocol is.

Days 2 to 4

This is peak discomfort with ablative laser. Swelling is usually worse on day two than on day one, which answers the question of what the worst day after CO2 is: it's rarely the day of the procedure.

There's only one job here: keep the skin moist and leave it alone. No exceptions. The urge to "help" with some active ingredient does more damage to results in this window than anything else.

Days 5 to 10

Peeling and itching. The skin comes off in flakes or thin sheets, and underneath you see pink, new, very fragile skin.

Don't pull anything off. Skin that comes off before it's ready leaves dark marks, and post-inflammatory hyperpigmentation is the most annoying side effect to reverse, far more work than the laser itself. If it itches, use a cold compress and more moisturizer.

This is also when makeup often becomes an option again, to cover the pinkness. Check with whoever treated you first.

Weeks 2 to 6

The skin looks normal and isn't. This is the stage where people get careless right when the risk of dark marks is highest.

As for going back to acids, vitamin C and retinoids: there's no single number that works for everyone. Practice ranges from reintroducing your routine gradually after a few weeks to sticking with occlusive moisturizer and sunscreen only for 4 to 6 weeks in the more cautious protocols. The person who has seen your skin makes that call.

Sunscreen, on the other hand, has no flexible version. At this stage it is the treatment, not an add-on.

What ointment to use after laser

The answer nobody wants to hear: the one your clinic prescribed, and only that one.

That's not dodging the question. Post-laser is one of the few situations where the wrong product causes direct, visible damage. An ointment with fragrance, a brightening active, an unprescribed steroid, or that cream that worked for your friend: all of it lands on skin with no barrier, and what would be mild irritation on intact skin turns into dermatitis or dark marks there.

What's generally used is a plain occlusive, petroleum jelly or similar, to keep the environment moist while the skin rebuilds, followed by a barrier moisturizer. Topical antibiotics only if prescribed, because unnecessary use breeds resistance and sensitizes the skin.

What are the side effects of laser on the face

The expected ones, which are part of the process:

• Redness, lasting hours to weeks depending on the type.
• Swelling in the first days.
• Peeling and itching during the renewal stage.
• Sensitivity to touch and to products.
• A tight, pulling feeling in the skin.

The ones that aren't part of it and call for contacting whoever treated you:

• Pain that gets worse instead of better as the days go by.
• Yellowish or foul-smelling discharge, fever, redness spreading in a patch: signs of infection.
• Blisters or an area that darkens in one spot.
• Dark marks that set in weeks later, more common in darker skin and the reason sunscreen is non-negotiable.
• A cold sore flare-up, which is why people with a history of them usually get a preventive antiviral before the procedure.

None of these is a reason to panic. All of them are a reason to call, not to wait for your routine follow-up.

What not to do after laser

• Sun. Not "just a little", not on a cloudy day, not in the car. The two to three weeks of strict protection aren't overkill.
• Pools, the ocean, saunas and long hot showers until the barrier has closed.
• Intense exercise in the first days: heat and sweat on open skin.
• Alcohol and smoking, which interfere with healing right in the window when it's happening.
• Exfoliating, scratching, picking at flakes.
• Acids, retinoids, vitamin C, at-home peels until you're cleared.
• Waxing in the treated area.

Can people with rosacea get laser

Yes, and in many cases laser is exactly what treats the vascular side of rosacea: the persistent redness and the small visible vessels. Lasers and light devices that target blood vessels are used for this in dermatology.

What changes is everything around it. Rosacea skin is reactive skin: it responds more to heat, inflames more easily and takes longer to calm down. That means more conservative settings, more sessions, an expectation of improvement rather than a cure, and even stricter aftercare around heat and sun. Getting laser during an active rosacea flare is betting against yourself.

If your rosacea is in an inflammatory phase, with bumps and pustules, the path is to treat that first and look at laser afterward. That conversation belongs with a dermatologist.

Is one session enough

It depends on the laser and the goal. Deep ablative laser is designed to address a lot at once, with the heavy recovery that comes with it. Non-ablative and fractional lasers work in a series: each session delivers part of the result, and it builds up over a protocol.

What's almost never true is the promise of fixing everything in one session with an easy recovery. Either the recovery is bigger, or there are more sessions. Choosing between those two is half the decision, and it's a lifestyle choice as much as a skin one. Someone who can't disappear for ten days has a different answer from someone who can.

When results show up

What you see in the first week is swelling and reaction, not results.

Improvement in texture shows up once the new skin organizes itself, and improvement in firmness depends on collagen your body has yet to produce. That takes weeks, not days. Reading the result before then is reading noise.

Anyone promising a final result in a week is talking about swelling going down.

What goes into the cost

No numbers, but here's the logic: the type of laser and how deep it goes, the number of sessions the case calls for, the area treated, and aftercare support: follow-ups, guidance, recommended products.

A more superficial laser done in a series usually has a different cost structure from a single ablative session. Comparing prices between the two without comparing what's being delivered tells you nothing.

How we decide here

At RUV, laser is a category within a plan, not a standalone procedure. The reason is our method: we assess the whole face before treating the complaint, because the complaint points to the symptom and the plan starts from the structure. Someone who comes in asking for laser for dark spots sometimes has a texture and volume issue that laser alone won't solve, and someone who comes in asking for something else sometimes needs laser first.

The naturalness standard applies here just as it does to every procedure we do: quality is measured by what's preserved, not by the size of the transformation. Skin that has become even and still looks like skin is a better result than skin that has become smooth and looks like something else.

And aftercare is part of the procedure, not an appendix to it. A well-indicated laser with poorly managed aftercare delivers less than a more conservative laser with real follow-up. That's why we agree on the aftercare before booking, including the days you won't want to leave the house.

When we advise against it

• Rosacea in an active inflammatory flare. The condition gets treated first; laser comes later, with conservative settings.
• When the person can't keep up with sun protection. Outdoor work, a beach trip already booked, a routine that doesn't allow for the weeks of care: laser becomes a risk of dark marks, not a gain for the skin.
• A recent tan or sun exposure the day before. It raises the risk of burns and pigment changes.
• Active infection in the area, including an open cold sore.
• When the expectation is results in a week. The collagen part doesn't work on that timeline, and aligning on this beforehand prevents disappointment later.
• Pregnancy and breastfeeding. An elective procedure waits.

Frequently asked questions

How long does skin take to heal after laser?

For CO2 laser, Memorial Sloan Kettering's patient guidance puts it at 1 to 2 weeks for the skin to heal, with high sensitivity during that time. Non-ablative laser recovers in hours to a few days. And strict sun protection continues for 2 to 3 weeks, even once the skin has closed.

What ointment should I use after laser?

The one prescribed by whoever treated you. Broadly speaking, a plain occlusive while the barrier is open and a barrier moisturizer afterward. Fragrance, brightening actives and unprescribed steroids stay out.

What is the worst day after laser?

With ablative laser, day two is usually worse than day one, because swelling peaks with a delay. The peeling stage, between days five and ten, bothers people more because of the itching than the pain.

Does facial laser hurt?

It varies with the type and depth. Non-ablative usually feels like heat and pinpricks. Ablative is more intense, which is why it's done with topical numbing, and in deeper cases with other comfort measures. None of this is solved with "just tough it out". If it hurts more than you agreed on, speak up during the session.

Can I wear makeup after laser?

Not while the barrier is open. After peeling, it's usually cleared to cover the pinkness, but the clinic clears it by looking at your skin, not a generic calendar.

What does your face look like right after laser?

Red, swollen and hot, like a bad sunburn. With ablative laser there may be clear oozing in the first hours. Over the following days come roughness and peeling, and underneath, pink skin that fades over the weeks.

Can I get laser in the summer?

Yes, if you can keep up with sun protection, and summer is exactly when that gets hardest. If your calendar has the beach, the pool or an outdoor routine in the weeks that follow, the best laser is the one you schedule for another month.