Cold Cap Therapy During Chemo: How It Works, Costs, and What to Expect

Key Takeaways

• Cold cap therapy (also called scalp cooling) chills your scalp during chemotherapy. The cold narrows the blood vessels and slows activity in the hair follicles [1]. In trials, about half to two thirds of people who used it lost less than half their hair [1].
• There are two main types: machine-based caps (Paxman, DigniCap) that hospital staff run, and manual cold caps (such as Penguin), frozen gel caps that a helper changes for you during treatment [2].
• Your chemo regimen matters most. In a Dutch registry of more than 7,400 patients, about 8 in 10 people on docetaxel or paclitaxel alone didn't need a head cover by their last session, compared with about a third of those on AC (doxorubicin with cyclophosphamide) [3].
• Expect to feel very cold. Some people find the cap uncomfortable or heavy, especially in the first 15 to 30 minutes, and it can cause headaches [4].
• Funding varies a lot across Europe. In 2023 Belgium's national health insurer introduced a flat fee per session for hospitals [5], while in Germany health insurers usually don't pay and a course costs around €1,200 to €2,000 [6].
• Cold caps aren't right for everyone. Scalp cooling isn't advised if you have a blood cancer or certain conditions that make you sensitive to cold [1].

If you've just been told you'll need chemotherapy, hair loss is probably already on your mind. It can feel like one of the hardest parts of treatment to face. Not because hair matters more than survival, but because it's the most visible reminder of what's happening inside your body.

That's where cold cap chemo comes in. Scalp cooling, the medical name for cold capping, is the only method that has been shown to prevent chemotherapy hair loss, at least to some extent, and the European Society for Medical Oncology (ESMO) recommends it [1]. It has limits, though. It works better with some drugs than others [1]. It can also be uncomfortable, and it makes each treatment session longer [4].

This guide gives you the honest version. We'll cover how cold capping works, what it costs in different parts of Europe, what a session actually feels like, and when it might not be the right choice for you. The aim is simple: to help you make a decision you feel good about, with your oncology team beside you.

How Cold Cap Therapy Works

Chemotherapy drugs target cells that divide quickly. That's how they kill cancer, and it's also why they harm other fast-dividing cells in your body, including the cells in your hair follicles [7]. When those follicle cells are hit, your hair falls out.

Cold caps cool your scalp before, during and after each chemo infusion. Research suggests the scalp needs to drop to about 22°C or below for the cooling to protect your hair, and modern machines can bring it down to around 18°C [7]. The cold works in two ways. It narrows the blood vessels in your scalp (vasoconstriction), which cuts the blood flow and so the amount of drug that reaches your follicles [7]. It also slows the follicle cells' metabolism and the rate at which the drug gets into them [7].

It isn't a perfect shield, and some of the drug still gets through. For many people, though, the protection is enough to keep a good amount of hair through treatment [1].

The Three-Phase Cooling Schedule

Scalp cooling follows a set schedule in three phases:

1. Pre-cooling: you wear the cap for 30 to 45 minutes before your infusion starts [4]. Some units extend this by up to 15 minutes for thick or Afro-textured hair [8].
2. During infusion: cooling carries on for the whole infusion.
3. Post-cooling: cooling carries on after the infusion ends, usually for 20 to 90 minutes depending on your drugs [3][8]. Dutch trials found that 20 minutes protected hair as well as longer times after docetaxel and weekly paclitaxel [9][10]. Protocols vary between hospitals and cap types, and some published ones run to four hours [2].

Your nurse will set the timings for your drugs, so stick to them and don't take the cap off early.

Why Hair Type and Fit Matter

A close, even fit matters. The cap needs to sit snugly against your whole scalp, so take time with your nurse to get it right.

Some units ask you to dampen your hair before the cap goes on, although in the Dutch registry dampening didn't clearly improve results [3]. If your hair is very thick, ask whether a shorter cut would help the cap fit. If you have Afro hair, you'll need to take out any weaves or braids first [4]. Results for different hair types have been less well studied, which we come back to below [11].

Types of Cold Cap Systems

There are two quite different ways to cool the scalp. Which one you use usually depends on what your hospital offers and how much practical help you can line up.

Machine-Based Systems (Paxman and DigniCap)

These are the systems you'll find in hospital chemotherapy units, and they're the ones used in the Dutch scalp cooling registry [3]. A coolant runs through a fitted cap connected to a cooling unit beside your chair. Once the nurse has set it up, the machine keeps the temperature steady on its own, so there's no cap swapping, no dry ice and no need for helpers.

The catch is that you can only use one if your hospital has the equipment. If yours doesn't have a Paxman or DigniCap unit, machine-based cooling isn't an option there.

Both systems are certified medical devices in the EU [12][13]. Paxman reports more than 5,000 systems installed in over 65 markets, and says its system is available in more than 98% of NHS and private hospitals in the UK [14]. Since 2025, both systems have belonged to the same company, PAXMAN AB, which bought Dignitana, the maker of DigniCap [15].

Manual Cold Cap Systems (Penguin and Others)

Manual caps are frozen gel caps that you keep cold and bring to each session. A helper swaps each cap for a freshly frozen one every 25 to 30 minutes or so throughout treatment [2]. Whoever does it, whether a friend, a family member or a paid helper, should be trained first.

Because the caps travel with you, you may be able to use them in a unit that has no cooling machine, as long as the hospital agrees. The logistics are demanding, though. Someone has to keep the caps at the right temperature, check them and handle every swap for the whole session, so line up at least one trained helper for each appointment.

Comparison at a Glance

If your hospital offers a machine-based system, it's almost always the easier route. If it doesn't, manual caps can still make scalp cooling possible. Just go in knowing how much work they involve.

Success Rates: What the Research Says

First, a word about what "success" means, because it can mislead. In the main trials, success meant losing less than half of your hair, usually little enough that you don't need a wig [16][17]. So when a study reports a 66% success rate, it doesn't mean two thirds of patients kept all their hair. It means two thirds lost no more than half of it.

Two key studies appeared in the journal JAMA in 2017. In the SCALP trial, a randomised study at seven US centres, 50.5% of women with early breast cancer who used scalp cooling lost less than half their hair after four cycles of chemotherapy, compared with none of the women who didn't use it [16]. A second US study, of the DigniCap system in women having chemotherapy without an anthracycline, found that 66% lost half their hair or less, while all 16 women in a comparison group lost more [17].

European results point the same way. In a German randomised trial, 39% of women who used a cooling cap lost no more than half their hair, compared with none in the group without one [18]. An Italian study of the DigniCap system reported an overall success rate of 68% [19]. And in a Dutch registry of more than 7,400 patients, 56% weren't wearing a wig or other head cover by their final session [3].

Taken together, the randomised trials suggest that about half to two thirds of people who use scalp cooling lose less than half their hair [1].

Success Varies Dramatically by Chemotherapy Regimen

Your chances depend mostly on which drugs you're given, and at what dose. In the Dutch registry, no personal or lifestyle factor made a consistent difference beyond the chemotherapy itself [3]. Unless stated otherwise, the figures below come from that registry, where success meant not needing a head cover by the last session [3].

1. Taxane-only regimens (docetaxel or paclitaxel): the best results. About 8 in 10 people on docetaxel or paclitaxel alone (83%) didn't need a head cover [3].
2. Docetaxel with cyclophosphamide (TC): often good results. In an Italian study, 87% of women on this combination lost no more than half their hair [19].
3. Anthracycline regimens (such as AC or FEC, which contain doxorubicin or epirubicin): much lower success. Only 34% of people on AC and 43% on FEC managed without a head cover [3].
4. Sequential regimens (an anthracycline first, then a taxane): about half did well, which is better than with AC alone [3].
5. Regimens with carboplatin: it depends on the dose. For paclitaxel with carboplatin, success ranged from 41% to 97% depending on the paclitaxel dose [3].

If your regimen includes an anthracycline (doxorubicin or epirubicin), it's worth knowing up front that scalp cooling tends to work less well [1]. Talk to your oncologist about the realistic odds for your specific drugs and doses, not chemotherapy in general.

Hair Type and Outcomes

Most scalp cooling trials have included very few Black patients, and hardly any have looked at results by hair type [11]. In one small US study of Black women with breast cancer, scalp cooling worked so poorly that the study closed early: only one of the 15 women avoided significant hair loss [11]. The researchers suggested hair thickness, hair volume and the design of the cooling caps as possible reasons [11].

European data are limited too. In the Dutch registry, 45% of patients whose hair type was recorded as Afro-American managed without a head cover, compared with 58% of those with a West-European hair type [3]. Even so, the registry didn't find hair type or any other personal factor to be a consistent predictor of success [3].

If you have Afro-textured or tightly coiled hair, ask your unit how they fit the cap for your hair type and what results they've seen in patients like you. Patient support groups can also be a good source of practical tips.

What "Success" Actually Looks Like

Even a "successful" result can mean losing up to half your hair, so some thinning is normal [16]. You may want a shorter cut, you'll need to treat your hair gently throughout treatment [20], and there will probably be days when you reach for a scarf or hat anyway.

None of that means it hasn't worked. If you expect to look exactly as you did before chemo, you'll probably be disappointed. Keeping enough hair to feel like yourself is a realistic goal for many people.

What Cold Cap Treatment Actually Feels Like

How it feels matters as much as the results when you're deciding whether to commit, so here's what to expect.

The First 15 Minutes or So Are the Hardest

One NHS hospital warns patients that the first 10 to 15 minutes of pre-cooling can be painful [8], and some people find the cap uncomfortable or heavy for the first 15 to 30 minutes [4]. The cold can feel sharp at first, a bit like the headache you get from eating ice cream too fast.

It usually gets easier. After about 10 to 20 minutes, the cold tends to become more bearable as your body adapts [20][21]. Wear warm clothes and ask for a blanket [21], and bring warm socks and a hot drink to help the rest of your body cope.

Common Side Effects During Treatment

Besides the cold itself, people report headaches, scalp pain, dizziness and feeling sick [21]. In an Italian study of the DigniCap system, headache was the most common side effect, followed by scalp and neck pain [19]. You might notice:

1. Headaches
2. Scalp or neck pain, or pain in your forehead [8]
3. A heavy feeling from the cap [4]
4. Dizziness or light-headedness, especially after the cap comes off [22]
5. Feeling cold or shivery [21]

If a headache or the cold is hard to bear, ask your chemotherapy nurse whether you can take a mild painkiller, such as paracetamol [4]. Some patients recommend this for the painful first minutes of pre-cooling [8].

Time Commitment Per Session

Scalp cooling makes each appointment longer. Pre-cooling adds 30 to 45 minutes and post-cooling usually another 20 to 90 minutes, so you may wear the cap for a few hours in total [4][8].

Keep the rest of the day free if you can. Bring noise-cancelling headphones, a warm jumper, snacks and something to occupy your mind.

After-Care at Home

Treat your hair as gently as possible while you're having chemotherapy [20]. UK hospital leaflets give advice along these lines:

1. Avoid heat styling, such as straighteners and curling tongs [8][20]
2. Avoid hair dye and chemical relaxing treatments [8]
3. Wash gently with a mild, sulphate-free shampoo, and follow your unit's advice on how often (one NHS trust suggests no more than twice a week) [20]
4. Comb gently with a wide-tooth comb to remove loose hair and prevent tangling [23]
5. Pat your hair dry with a soft towel rather than rubbing it [23]
6. Avoid ponytails, tight braids and anything else that pulls on the roots [8]
7. Wear a sleep cap at night to keep your head warm and catch loose hairs [23]

Some precautions last beyond your final session. Cancer Research UK advises avoiding dyes, bleaching, perms and chemical relaxers for around 6 months after chemotherapy ends [24]. It's a real commitment, so ask your nurse for your unit's own hair care advice before you start.

Cost of Cold Caps and Healthcare Coverage in Europe

Whether you pay anything for scalp cooling depends on where you're treated. Some public systems fund it, some don't offer it at all, and in others it comes down to the hospital. Here's what we could confirm.

Where Scalp Cooling Is Covered by Public Healthcare

In the UK, Paxman says its system is available in more than 98% of NHS and private hospitals [14]. Not every hospital can offer it, though, so ask your chemotherapy team early [4].

In January 2023, Belgium's national health insurer, RIZIV/INAMI, introduced a flat fee of €34 per scalp cooling session, paid to hospitals, for chemotherapy for breast cancer and several other solid tumours [5]. In the Netherlands, scalp cooling has been in use for many years: a national registry collected data on 7,424 patients treated at 68 Dutch hospitals [3].

Elsewhere, the picture is patchier. In a December 2023 answer to the Danish parliament, the health ministry said scalp cooling isn't a standard offer at Danish public hospitals and that none of the five regions was offering it [25]. In Germany, statutory health insurers usually don't pay for it, and a course costs around €1,200 to €2,000 [6].

If you're treated in another country, ask your oncology centre directly whether it offers scalp cooling and whether you'll have to pay anything towards it.

Cost When You're Paying Privately or Renting Manual Caps

If your hospital doesn't offer machine-based scalp cooling and you're considering manual caps, prices vary by provider and country, so get a written quote before you commit. Make sure it covers:

1. The caps: the rental or purchase price, and whether it's charged per month or per chemo cycle
2. Deposit: whether there's a refundable deposit and when you get it back
3. Dry ice: how much you'll need per session and where you can buy it locally
4. Delivery: shipping in both directions, and how quickly the caps can reach you
5. Help: what it costs if you want to hire a trained helper rather than relying on friends or family

Cost for Machine-Based Systems (Private Clinics)

If you're paying for machine-based cooling at a private clinic, ask for the price of the full course in writing before your first session. Check whether it's billed per session or included in your chemotherapy bill, because a full course of chemotherapy can mean many sessions.

Private Health Insurance Coverage

If you have private or supplementary health insurance, contact your insurer before treatment starts and ask whether your policy pays for scalp cooling as part of chemotherapy. Get the answer in writing if you can.

Financial Support Options

If you're facing costs you can't easily cover, you may not have to manage them alone. Our guide, Financial Help for Cancer Patients: Grants, Benefits, and How to Access Them, sets out the charity grants and state benefits available in different European countries. Good places to start:

1. Your hospital's social worker or patient support team: they can tell you what help is available locally, and some charities only accept applications made through a social worker.
2. Rental companies: if you're renting manual caps, ask whether you can pay in instalments.
3. Cancer charities: Macmillan Cancer Support offers one-off grants to people on low incomes in some areas of the UK [26]. In Belgium, Stichting tegen Kanker can contribute to costs such as hospital bills and wigs, with the application made by a social worker [27]. In France, local committees of the Ligue contre le cancer can help people whose finances have been hit by their illness, also through a social worker [28].

DO/DON'T Cost Checklist

Who Should (and Shouldn't) Consider Cold Caps

Whether cold capping suits you is partly a medical question, so it's a decision to make with your oncology team. Here's a rough guide.

Good Candidates for Cold Cap Therapy

You're likely to be a good candidate if:

1. You have a solid tumour, such as breast, ovarian, prostate or bowel cancer, rather than a blood cancer [1]
2. Your regimen is one where scalp cooling tends to work well, such as a taxane on its own [3]
3. Your hospital offers machine-based cooling, or you have reliable helpers for manual capping
4. You can commit to the extra time, the discomfort and the hair care routine
5. You can cover any costs, or get help with them

When Cold Caps Aren't Recommended

Guidelines and UK hospitals advise against scalp cooling if you have:

1. A blood cancer, such as leukaemia, lymphoma or myeloma, or a brain cancer [1][21]
2. A condition that makes you sensitive to cold, such as cold agglutinin disease or cryoglobulinaemia [1][22]
3. Severe headaches or migraines [21]
4. Cancer that has spread to the scalp, or suspected scalp metastases, because in theory cancer cells in a cooled scalp might not get enough chemotherapy [22]
5. A head wound [21]
6. Radiotherapy to the whole brain planned after your chemotherapy [1]
7. Chemotherapy given continuously through a pump over several days [4]
8. A liver that isn't working as well as it should [4]

If you have a scalp condition such as psoriasis or eczema, mention it to your team before you start.

Talk to Your Oncology Team

Bring this up before your first chemotherapy appointment, and ask three questions:

1. Is cold capping a clinical option for my specific regimen?
2. What hair preservation rates have you seen in your unit for patients on this protocol?
3. Does the hospital offer scalp cooling, or would I need to arrange a manual system?

Their answers will tell you most of what you need to know.

Alternatives if Cold Capping Isn't Right for You

If cold capping isn't an option, or you decide it isn't worth it for you, there are other ways to cope with chemo hair loss.

Modern Wigs and Headwear

Wigs come in synthetic and human hair versions, and a good fitter can help you find one that looks natural on you. Help with the cost depends on where you live. In Scotland and Wales, wigs are free on the NHS, and in Northern Ireland they're free through Health and Social Care services [29]. In England there's a charge unless you qualify, for example as a hospital inpatient, if you're under 16, or if you get certain benefits [30]. In Germany, statutory health insurers largely cover the cost of a wig for women, though you pay a co-payment [31]. In France, national health insurance reimburses up to €350 for a synthetic wig [32]. Ask your oncology team or hospital social worker how to apply.

Turbans, scarves, sleep caps and hats are also worth exploring. Our full guide, Wigs for Cancer Patients: How to Choose, Where to Buy, and Financial Help, walks through fit, cost and styling.

Scalp Care and Comfort

Your scalp needs gentle care during chemo, whether or not you're cold capping. Use a mild, unperfumed shampoo, and protect your scalp from the sun with a hat or sunscreen. Check with your nurse before using any product sold as a scalp stimulant.

Supporting Hair Health from the Inside

Food won't prevent chemo hair loss. Still, try to eat as well as you can during treatment, and ask your team to refer you to a dietitian if eating is difficult.

Embracing the Bald Phase

Some people choose to shave their head early, on their own terms, rather than watching their hair fall out bit by bit. Some find it freeing. Others pair it with a good wig or a collection of scarves. There's no wrong way to do this. For a month-by-month picture of what happens after your last infusion, our guide, Hair Loss and Chemo: Timeline, Regrowth, and How to Cope, explains when shedding usually starts, how your hair grows back and how to get through the stage in between.

Frequently Asked Questions

Making the Right Decision for You

Cold cap therapy is the only method shown to reduce chemo hair loss [1]. It isn't a guarantee, though, and it isn't right for every patient or every regimen.

A good decision usually comes from three things: an honest conversation with your oncology team about your regimen, realistic expectations (some thinning is normal even when cooling works), and a clear view of what it will cost you in time, comfort and money.

For some people, keeping even half their hair matters enormously. They recognise themselves in the mirror, and they get to choose who knows about their cancer. For others, the hours of cold, the home care routine and the cost aren't worth it, and a wig, a scarf collection or a shaved head feels more freeing. Both are completely valid choices, and only you can weigh what matters most.

Your next step: Take this article to your next oncology appointment and ask your team the three questions above: Is cold capping a clinical option for my regimen? What success rates have you seen in your unit? Does the hospital offer scalp cooling, or would I need to arrange a manual system? Their answers will help you decide.

Whatever you decide, you don't have to work it out alone. Your chemotherapy nurses can help you think it through, and if you're looking for people who understand what you're going through, you're welcome to join the Beat Cancer community.

References

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