Cryotherapy vs TCA Peel

Cryotherapy: Liquid nitrogen is sprayed or dabbed onto a spot to freeze and destroy it. It is a standard treatment for warts, precancerous sun spots and some harmless growths. It commonly leaves a pale mark that does not fully come back.

TCA Peel: A chemical peel using trichloroacetic acid. Depending on the strength it is either a light peel with a few days of flaking or a medium peel with a week of visible healing. It carries the highest pigment risk of the peels in common use.

Reviewed by Dr. Schwarz, Board-Certified Dermatologist
Last updated: 10/22/2026

Editorial illustration for Cryotherapy, based on the entry’s treatment or equipment reference.

Editorial illustration for TCA Peel, based on the entry’s treatment or equipment reference.

Choose if Key differences What is it?What it treats Treatment areas Skin tones How it works Before your treatment Day of treatment After your treatment Risks Cost Questions Related

Choose Cryotherapy if…

Choose for quick removal of warts, sun-damage spots or harmless growths — accepting a possible pale mark.

A wart or rough sun spot
You want it done in one quick visit
A pale mark wouldn't bother you

Choose TCA Peel if…

Choose for ice pick scars (as TCA CROSS) or stronger sun-damage peeling — the highest pigment risk of the common peels.

Deep, narrow ice pick scars
Sun spots and fine lines on lighter skin
You can take a week of peeling

Alternatives, not combined

Can you have both?

Both can treat sun spots and precancerous patches. Cryotherapy targets single spots; a TCA peel treats a whole area.

Key differences

● Cryotherapy

● TCA Peel

DowntimeNone → 2+ weeks

1–2 weeks

3–7 days

PainMinimal → Needs anesthesia or sedation

Mild

Moderate

Results showImmediately → 3+ months

1–4 weeks

How long it lastsWeeks → Years or permanent

Years or permanent

1–2 years

Visits neededOne → Every few months

A short series (2–3)

Cost per visit$ → $$$$$

ReversibleYes, can be undone → No, permanent

No, permanent

What is it?

Cryotherapy

TCA Peel

What is it?

It freezes tissue.

Liquid nitrogen destroys selected tissue through freezing and thawing.

It treats diagnosed lesions.

It is used for benign or precancerous spots.

It leaves no specimen.

Nothing remains for microscopic examination.

Uncertain moles should not be frozen.

A diagnosis is needed first.

It is a chemical peel.

Trichloroacetic acid removes selected layers of skin.

Depth varies.

Formulation, application and technique set the depth.

It is not a home treatment.

Online acid products should not be used to copy it.

History matters.

Pigment-prone skin, herpes and scarring history need assessment.

What it treats

Evidence level

Cryotherapy

TCA Peel

Strong evidenceMost established uses

A rough, dome-shaped wart on the side of a finger on fair skin. The bump is pinkish with a thin red ring at its base, and several tiny black dots are clearly visible in the thickened surface.

Warts

A first-line treatment.

Actinic Keratosis

Clears precancers.

Two growths on the upper back on fair skin. One is a flat light tan patch and the other is a raised mid-brown growth with a rough waxy surface and a sharply defined edge.

Seborrheic Keratosis

Removes growths.

Ice Pick Scars

TCA CROSS raises deep pits.

Moderate evidenceSome supportive research

AI-generated educational illustration: A small soft hanging skin growth on light skin.

Skin Tags

Freezes small tags.

Sun Spots

Clears spots.

A relaxed forehead with faint shallow horizontal fine lines.

Wrinkles and Fine Lines

Medium peels smooth lines.

Actinic Keratosis

Removes sun damage.

Little evidence

A raised, smooth, firm scar on the upper chest on light skin. It is shiny pink-red and hairless, and its edges spread well past the small mark it grew from.

Keloids

Injections work better.

—

Not effective

Melanoma

Needs excision.

—

Can make it worse

—

Flat tan patches with soft irregular edges across the forehead and upper cheek of an adult with light skin, the surface completely smooth.

Melasma

Deep peels can darken patches.

Redness and fine superficial vessels across a light-skinned cheek and nose.

Rosacea

Very irritating.

Treatment areas

The specific lesion, scar or affected patch determines the treatment site; there is no fixed body distribution.

Face; the selected area depends on the concern and treatment plan.

Skin tones

Skin tone

● Cryotherapy

● TCA Peel

Lighter skin

Some risk

A pale mark may not fully return.

Low risk

A week of peeling for medium depth.

Medium skin

Some risk

Pale or dark marks are more visible.

Some risk

Dark marks are common; pre-treatment helps.

Deeper skin

Higher risk

Lasting pale patches are common; ask about alternatives.

Higher risk

Highest pigment risk of common peels; spot TCA CROSS is safer than full-face.

How it works

Cryotherapy

TCA Peel

How it works

Cryotherapy mechanism diagram. A selected lesion is frozen: A clinician applies liquid nitrogen to the treatment area. Cold injures the tissue: A controlled freeze-thaw response damages the target. The treated area sheds and heals: A blister or crust may form; repeat treatment can be needed.

TCA Peel mechanism diagram. TCA is applied to selected skin: A clinician chooses the formulation and treatment plan. A controlled injury forms: The acid coagulates proteins in the treated layers. Skin heals and renews: The response depends on peel depth, technique, and skin.

Diagram explanation

A selected lesion is frozen: A clinician applies liquid nitrogen to the treatment area. Cold injures the tissue: A controlled freeze-thaw response damages the target. The treated area sheds and heals: A blister or crust may form; repeat treatment can be needed.

Schematic illustration. Technique and response vary. This explains a mechanism and does not specify treatment settings.

TCA is applied to selected skin: A clinician chooses the formulation and treatment plan. A controlled injury forms: The acid coagulates proteins in the treated layers. Skin heals and renews: The response depends on peel depth, technique, and skin.

Schematic illustration. Technique and response vary. This explains a mechanism and does not specify treatment settings.

Before your treatment

Cryotherapy

TCA Peel

2–4 weeks before

Not specified

4 weeks before: Sun and pigment prep: No tanning or sunburn for a month, or the peel leaves blotchy pigment.

4 weeks before: Sun and pigment prep: On deeper skin tones and with melasma, providers pre-treat 2 to 4 weeks with a pigment-blocking cream.

2 weeks before: Actives and hair removal: Stop retinoids, benzoyl peroxide and exfoliating acids 5 to 7 days before.

2 weeks before: Actives and hair removal: Stop waxing, threading and hair removal creams for 2 weeks.

The week before

A few days before: Thick warts: Soaking and filing the wart with a pumice stone or emery board helps the freeze reach the wart, not the callus on top.

Ask your provider: Several spots: If more than one spot is planned, ask to start with one and see how the skin heals.

1 to 2 days before: Antiviral: Antiviral medicine starts a day or two before a medium peel, whether or not you get cold sores.

Day of treatment

Cryotherapy

TCA Peel

Arrival & prep

The spot is examined first — the most important part of the visit.

Skin is checked and photographed, and antiviral medicine started if it has not been.

Treatment

Liquid nitrogen is sprayed or dabbed on until a white frozen halo covers the spot and a small margin.

A sun spot takes seconds; a wart takes longer and is usually thawed and frozen again the same visit. It burns and stings, peaking as the skin thaws, then aches for a few hours. Fingertips, toes, soles and ears are sorest. Brief and unpleasant, not severe.

Skin is cleaned and degreased, eyes and lips protected.

The acid goes on with gauze or a brush, section by section, each area watched for frosting before the next layer. No neutralizing step; cool compresses follow. A light peel takes about 20 minutes, a medium 30 to 45. Medium TCA is genuinely uncomfortable, worst early.

Before you leave

Red, swollen and tender, sometimes blistering within the hour.

Frosting fades within about 15 to 30 minutes, leaving skin bright red and swollen.

After your treatment

Cryotherapy

TCA Peel

First 24 hours

Days 1 to 3: A clear or blood-filled blister is expected, not a sign anything went wrong.

Days 1 to 3: Skin turns brown or bronze and feels stiff and leathery.

Days 2–7

Days 4 to 14: The blister dries into a dark crust with the growth on top, and lifts off on its own over one to two weeks.

Days 3 to 10: Skin cracks and comes away in sheets, often starting at the mouth.

Weeks 2–4

Weeks 2 to 8: New skin is pink and delicate.

Weeks 2 to 6: Pinkness settles over several weeks and takes makeup once skin is intact.

Time to results

1–3 weeks

1–2 weeks after peeling

How long results last

Permanent for growths; warts may need repeats

Months to years

Risks

A pale mark that is not filling back in
A dark mark
Numbness or tingling
A raised or thickened scar
Hair loss in the treated patch
Still not healed after 4 weeks
The growth is back or never went

A light TCA peel behaves like other superficial peels
Dark patches
Pale patches
Prolonged redness
A cold sore outbreak
Skin that will not close

Cost

Per session

Cosmetic prices vary a lot and are usually quoted per lesion or per visit, cheaper per spot when several are done at once.

In the US a light TCA peel runs about $150 to $300 a session and a medium peel about $400 to $900, more for a full face with sedation.

Insurance

In the US, freezing warts and precancerous sun spots is billed as medical treatment, so you pay your copay or whatever the deductible has not covered.

Insurance does not cover peels for pigment, texture or scarring.

Questions

Cryotherapy

TCA Peel

Individual Questions

Does freezing leave a white mark?

Often. Pigment cells die at milder cold than the growth, so most effective freezes take some color out. Some returns over months; a good part does not. The mark is usually a little wider than the spot and stands out far more on deeper skin tones — worth discussing before you agree.

Can a mole be frozen off?

No. Freezing destroys the tissue without a diagnosis, so a skin cancer can heal over at the surface while it keeps growing underneath. Anything pigmented, new or changing gets examined and sampled, and moles that need removing are cut out and sent to a laboratory. Same for at-home freezing and mole removal pens.

How much does it hurt?

A sharp burning sting for ten to thirty seconds during the freeze and the thaw, then an ache for a few hours. Fingers, toes, soles and ears are worst. Brief and genuinely unpleasant rather than severe, and ordinary painkillers are enough.

Is the blister normal, and should I pop it?

Normal, and it is how the treatment works — the skin separates and lifts the growth off with the blister roof. Leave it alone and cover it. If it is large, tense and painful, the clinic can drain it, which beats tearing the roof off yourself.

How many treatments will my wart need?

Usually several, every two to four weeks. Many clear over three to six treatments, some need more, and some never respond. Salicylic acid at home in between improves the odds. If nothing has changed after three or four sessions, ask about a different approach.

Are the drugstore freeze kits the same as what a doctor uses?

No. They use a propellant gas much warmer than liquid nitrogen and harder to aim, so they are weaker on thick and plantar warts. They can still blister and leave a pale mark. Not for the face, and never on a mole or an unexamined spot.

What is frosting?

The white film that appears as TCA coagulates protein. It is the intended endpoint and how the provider judges depth. Patchy frost means a superficial peel; a solid white sheet means the upper dermis.

How is TCA CROSS different from a TCA peel?

Same acid, different procedure. TCA CROSS places a high strength into the base of individual icepick scars and leaves the rest of the skin alone. A peel treats the whole area at much lower strength. If icepick scars are why you are going, ask for TCA CROSS by name.

How much downtime should I plan for?

About 3 to 5 days for a light peel, 7 to 10 for a medium one, plus several weeks of fading pinkness. Plan the week off before you book.

Is TCA safe on deeper skin tones?

Light TCA and TCA CROSS are used on all skin tones. Medium-depth TCA across the face risks lasting dark or pale patches on deeper skin tones, so many providers choose a course of lighter peels instead.

Why is there no neutralizer?

TCA is used up as it reacts, so it stops on its own. Water rinses the surface but does not undo the reaction underneath. That is why it goes on in slow layers and is judged by frosting.

Will it get rid of my acne scars?

A face peel improves discoloration and texture but does not lift indented scars. Icepick scars may respond to TCA CROSS; rolling and boxcar scars usually need subcision, needling or laser.

Dermapedia on YouTube