Sauna or hot tub after Botox, filler, laser, a tattoo or a piercing: how long to wait

Short answer: It depends on what the wait protects against. After Botox, the American Academy of Dermatology (AAD) says to wait two hours before anything that raises your heart rate. After filler, the FDA-approved Juvéderm labeling says to avoid extensive heat for 24 hours, and an NHS laser centre says no sauna for 24 hours after laser hair removal. After a tattoo, a new piercing or surgery, hot tubs and pools wait until the skin has healed, because the risk there is infection, not heat. Only one of the seven rules below names a sauna at all.

Aftercare sheets rarely mention a sauna. They talk about heat, exercise, sun, rubbing and soaking, and leave you to work out where a sauna, a steam room or a hot tub falls.

This page puts the rules side by side, in each source’s own words, with a link to the source and to our full guide for each treatment.

This is general information, not medical advice. The person who treated you knows the product, the depth and the area, and their aftercare beats any general rule, including ours.

How long to wait after each treatment

The rule, whose rule it is, and the full guide.

After	Sauna or steam room	Hot tub, pool or plunge pool	Whose rule	Our full guide
Botox	At least 2 hours	At least 2 hours	AAD: no rubbing, and 2 hours before activity that raises your heart rate	Sauna after Botox
Filler	At least 24 hours	At least 24 hours	Juvéderm labeling (FDA): avoid extensive heat for the first 24 hours	Sauna after filler
Laser hair removal	24 hours	24 hours, swimming included	NHS laser centre: no sauna, hot bath or swimming for 24 hours	Sauna after laser
Sunburn	Until the skin no longer feels hot, sore or swollen	Until every blister has healed and no skin is open	NHS, AAD and MedlinePlus: cool the skin; NHS and CDC: keep it out of the sun until healed; CDC: no pools or hot tubs with an open cut or wound	Sauna with a sunburn
New piercing	Not ruled out; sweating is fine	Until healed, or sealed under a waterproof film	Association of Professional Piercers (APP)	Hot tub with a piercing
New tattoo	Not addressed; ask your artist	Until healed; most take about two weeks	Mayo Clinic	Sauna with a tattoo
Surgery	When your surgeon clears it	When your surgeon says it is OK	MedlinePlus discharge instructions	Wellness after surgery

The “whose rule” column is what each source says. The sauna and hot tub columns are our reading of it, explained in each guide.

Four reasons to wait, and why the waits differ

Spread, swelling, sun and infection.

Spread, measured in hours. The AAD’s Botox advice exists “to prevent the injected substance from spreading to areas where you do not want it”. Do not rub or massage the injected areas, and wait two hours before strenuous physical activity, which includes “any other physical activity that raises your heart rate”. A sauna raises your heart rate, and a hot towel on the face is rubbing.

Swelling and redness, about a day. The Juvéderm patient labeling says that within the first 24 hours you should avoid strenuous exercise, extensive sun or heat exposure and alcoholic beverages, which “may cause temporary redness, swelling, and/or itching at the injection sites”. The Birmingham Regional Skin Laser Centre’s sheet says the treated area will be slightly red and swollen, which usually settles within 24 hours, and that for those 24 hours you should not have a hot bath or shower, use a sauna or go swimming.

Sun, which outlasts the sauna. After laser hair removal, the AAD says to avoid direct sunlight on the treated skin and not to use a tanning bed. After filler, the AAD says to stay out of the sun and away from tanning beds. A sauna can come back after a day; the sun rules last longer.

Infection, until the skin has healed. This is the shared water rule, and the longest wait.

• The APP says to avoid submerging a healing piercing in lakes, pools, oceans and hot tubs, or to protect it with a waterproof transparent film dressing.
• Mayo Clinic says most tattoos take about two weeks to heal, and to stay out of pools, hot tubs, rivers, lakes and other bodies of water while the tattoo is healing.
• After gallbladder removal, MedlinePlus says: “Do not soak in a bathtub or hot tub, or go swimming, until your surgeon tells you it is OK.”

The CDC explains part of why: hot tub rash is caused by the germ Pseudomonas aeruginosa and usually appears a few days after sitting in a poorly maintained hot tub.

What the sources say about saunas, and what they leave out

Only one of the seven names a sauna.

Of the seven rules in the table, only the Birmingham laser sheet names a sauna. The others speak of heat (the filler labeling), activity that raises your heart rate (the AAD on Botox), sweating (fine for a healing piercing, the APP says), or soaking and swimming. Five of the seven rule out soaking or swimming: the laser sheet, the APP, Mayo Clinic, MedlinePlus and, for a blistered sunburn, the CDC’s open-wound rule. None of the sunburn sources mentions a sauna; they say to cool the skin, and the CDC keeps open wounds out of pools and hot tubs.

So a dry sauna is a question of heat, heart rate and sweat, and a hot tub or plunge pool adds shared water. That is why, in our reading, the hot tub column is never shorter than the sauna column, and is much longer for anything that breaks the skin.

Cold plunges after a treatment

Cold is rarely the problem. Shared water can be.

None of the sources addresses a cold plunge directly.

• Filler: the labeling suggests an ice pack if the treated area is swollen, so cold on the area is not the concern heat is.
• Botox: a plunge raises your heart rate as heat does, so the same two hours is the cautious reading.
• Sunburn: the NHS says not to put ice or ice packs on sunburnt skin; a cool shower or bath is the treatment.
• Tattoo, piercing or surgery: a shared plunge pool is shared water, so it waits as long as a hot tub.

Our guide to who should avoid cold plunging covers the rest of the list.

FAQ: saunas and hot tubs after a treatment

Why does my aftercare sheet say hot tub but not sauna? Because the risk it guards against is infection from shared water, which a dry sauna does not involve. The APP, Mayo Clinic and MedlinePlus all draw their line at soaking or submerging. Heat and sweat are a separate question, and for a healing piercing the APP says sweating is fine.

Is a cold plunge safer than a sauna after a treatment? Not after anything that broke the skin. A shared plunge pool is shared water, so after a tattoo, a piercing or surgery it waits as long as a hot tub. After Botox, a plunge raises your heart rate as heat does, so the two-hour window applies.

Is a steam room the same as a sauna after a treatment? None of the sources separates them. A steam room is hot and humid, so where a rule is about heat, treat it as heat. It is also wet and shared, though you are not submerged, so after a piercing or a tattoo keep the area clean and ask the person who treated you.

What if my provider’s aftercare says something different? Follow your provider. They know what they did, and the sources above say as much: Mayo Clinic tells you to ask your tattoo artist for specific directions, and MedlinePlus leaves soaking to your surgeon.

The bottom line on saunas and hot tubs after a treatment

Hours after Botox, a day after filler or laser hair removal, and until the skin has healed after a tattoo, a piercing or surgery. In every case the hot tub waits at least as long as the sauna, because shared water adds infection to heat.

Each guide in the table has the detail, the exceptions and what to watch for afterwards.