Why Do Your Hands Crack Every Autumn? Hand Dermatitis and What Actually Helps

Oct 12

6 min read

Every October the same thing happens. The heating goes on, the first cold snap rolls over the Peaks, the office starts sniffing, and everyone becomes very conscientious about washing their hands. About a fortnight later, the knuckles are tight, the fingertips have split, and there is a sore little crack beside one thumbnail that stings every time you touch a lemon.

That is hand dermatitis season, and it is one of the most common skin complaints we hear about at this time of year. The good news is that most of it is preventable with a few dull but effective habits. The less good news is that some of the things people reach for make it worse. Here is what the evidence and UK dermatology guidance actually support.

Key takeaways

Cold air, low humidity, central heating and frequent handwashing all strip the oils that keep hand skin supple, which is why cracking peaks in autumn and winter.
Hand eczema (hand dermatitis) is common: a large systematic review in Contact Dermatitis estimated that around one in seven adults experience it at some point in their lives.
The British Association of Dermatologists advises using a soap substitute, applying emollient after every wash, and wearing gloves for wet work and cold weather.
Alcohol-based hand rubs containing emollients are generally better tolerated than repeated soap and water, according to World Health Organization hand hygiene guidance.
Cracks that bleed, weep, crust or fail to settle after a few weeks of good care should be assessed by a GP or pharmacist.

Why do hands crack more in autumn?

The skin on the back of the hands is thin, and the palms have no oil glands at all. They rely heavily on the outermost layer of skin, the stratum corneum, to hold water in. Think of it as a brick wall: skin cells are the bricks and a mixture of natural fats is the mortar. Strip out enough mortar and the wall starts to leak.

Autumn attacks that wall from several directions at once. Cold outdoor air holds very little moisture, indoor heating dries it further, and wind speeds up evaporation from the skin surface. Add more handwashing during cold and flu season, more washing-up because nobody is eating outside any more, and gardening or log-stacking without gloves, and the barrier never gets a chance to recover between insults.

Is it just dry skin, or is it hand dermatitis?

Dry, slightly rough hands that improve within a day or two of moisturising are simply dry skin. Hand dermatitis is a step further along. The skin becomes inflamed, and you may notice redness (which can look purple, brown or darker than the surrounding skin on darker skin tones), itching, scaling, painful fissures over the knuckles or fingertips, and sometimes tiny itchy blisters along the sides of the fingers.

There are two main types worth knowing about. Irritant contact dermatitis is by far the most common, and is caused by repeated exposure to water, soap, detergents, cleaning products and friction. Allergic contact dermatitis is an immune reaction to a specific substance, such as a fragrance, a preservative in a hand cream, rubber chemicals in gloves, or the hair dye chemical PPD we wrote about recently. People with a history of atopic eczema are more prone to both.

The distinction matters, because an allergy will not settle until the trigger is identified and avoided. If hand dermatitis keeps returning despite good care, a GP can refer for patch testing through an NHS dermatology service.

Soap, sanitiser and the flu season paradox

Here is the slightly awkward truth. Hand hygiene matters, particularly in winter and particularly if you care for someone vulnerable. Nobody should stop washing their hands to protect their knuckles. The answer lies in how you clean them.

World Health Organization guidance on hand hygiene notes that alcohol-based hand rubs formulated with emollients are generally better tolerated than frequent washing with soap and water. That surprises people, because sanitiser stings on broken skin, but the sting comes from the cracks that are already there. Soap and hot water remove far more of the skin's own fats over time. When your hands are visibly dirty, wash them; otherwise, a moisturising hand rub is often the kinder choice.

When you do wash, use lukewarm rather than hot water, pat dry gently, and pay attention to the webs between the fingers and under rings, where soap residue and moisture tend to linger and quietly cause trouble.

A hand routine that actually works

The British Association of Dermatologists publishes a patient leaflet on caring for your hands, and its advice is refreshingly practical. None of it is glamorous. All of it works better than an expensive cream used once a day.

Swap soap for a soap substitute. A fragrance-free emollient wash cleans the skin without stripping it the way bar soap or many liquid soaps do.
Moisturise after every single wash. Keep a tube by every sink, in your bag and in the car. Apply whenever the skin feels dry, not only morning and night.
Choose greasier products for night. Thicker ointments are less pleasant during the day but excellent overnight. Cotton gloves on top stop the bedding becoming slippery and help the emollient soak in.
Go fragrance-free. Fragrances and some preservatives are common causes of allergic contact dermatitis. Beautifully scented hand creams are best kept for hands that are not already sore.
Take rings off for wet work. Water and detergent get trapped underneath, which is why dermatitis often starts on the ring finger.
Be cautious with aqueous cream. Several NHS dermatology pathways no longer recommend it as a leave-on moisturiser or soap substitute, because it can irritate the skin.

Gloves: the Peak District edition

Living around Bakewell means a lot of hands spend autumn outdoors: walking the dog over the moors, mucking out, stacking logs, clearing leaves, or working on farms and building sites. Cold, wet and windy conditions are a particularly harsh combination for hand skin.

Warm gloves outdoors are the simplest protection there is. For gardening and DIY, heavy-duty fabric or leather work gloves help. For washing-up and cleaning, wear waterproof gloves, ideally with thin cotton liners so your hands do not sit in their own sweat, and take them off once the job is done. If rubber gloves seem to make things worse, mention it to your GP, because rubber chemical allergy is a recognised cause and nitrile alternatives exist.

When should you see a GP or pharmacist?

Most dry, chapped hands improve within two to four weeks of consistent care. It is worth getting professional advice sooner if any of the following apply:

Cracks that bleed, weep, or develop yellow crusting, which can suggest infection.
Painful swelling, spreading redness or feeling unwell.
Itchy blisters on the palms or sides of the fingers.
No improvement after a few weeks of using a soap substitute and regular emollient.
Symptoms that are affecting your work, sleep or ability to do everyday tasks.
A rash that seems to appear after contact with a particular product, glove or material.

Your pharmacist is a good first stop for emollient advice. Your GP can assess whether a prescribed treatment or a referral for patch testing is needed. If your dermatitis is linked to your job, your employer has duties under the Health and Safety Executive's guidance on work-related skin conditions, so it is worth raising it with them too.

Hands, eczema and aesthetic treatment

You might wonder why an aesthetics clinic is writing about cracked knuckles. Partly it is because we see a lot of hands, and partly because skin health always comes before any treatment. At consultation we ask about eczema, dermatitis and known allergies, including to rubber and topical products, because they affect what is safe and sensible.

Active dermatitis is a reason to pause, not push on. We would not carry out a peel, microneedling or injectable treatment on inflamed, broken skin in the treatment area, and we would rather help you settle the skin first or point you towards your GP. Once hands are calm and comfortable, some people do choose to discuss treatments for the visible signs of ageing on the backs of the hands, and that is a conversation for a face-to-face consultation, with realistic expectations and a clear look at the risks.

Frequently asked questions

Is hand sanitiser bad for eczema?

Not necessarily. Sanitisers containing emollients are often better tolerated than repeated soap and water, according to WHO guidance. They sting on broken skin, so protecting and healing cracks with regular emollient is the priority.

How often should I moisturise my hands?

After every wash and whenever they feel dry. The British Association of Dermatologists suggests keeping emollient at work or school so this is realistic rather than aspirational.

Can hand dermatitis be an allergy?

Yes. Allergic contact dermatitis can be caused by fragrances, preservatives, rubber chemicals and hair dye ingredients, among others. Patch testing through a dermatology service is the way to identify a specific allergen.

Does it help to drink more water?

Staying hydrated is good for general health, but there is little evidence that drinking extra water fixes dry hands. Protecting the skin barrier from the outside is what makes the difference.

This article is general skincare information and is not a substitute for individual medical advice. Any treatment is provided only after a personal consultation and suitability assessment. Haus of Ästhetik, Bakewell, Derbyshire.