Asteatotic Eczema (Dry Skin Eczema): Causes & Treatment

Asteatotic eczema (dry skin eczema) causes and treatment - Yagishi guide

Quick answer: Asteatotic eczema, also called eczema craquele or xerotic eczema, is a very dry form of eczema where the skin loses too much water and oil until it cracks into a pattern that looks like crazy paving or a dried riverbed. It shows up most on the lower legs, especially in older adults and in people who spend long hours in air-conditioning. The fix is not a mystery: stop stripping the skin and start replacing what it has lost. Swap harsh soap and hot showers for a mild, pH-close-to-skin cleanser, then seal in moisture with a ceramide-rich lotion straight after bathing. Severe cracking, bleeding, weeping or signs of infection need a doctor.

You catch it first as a tight, itchy feeling on your shins, usually at night after a shower. Then you notice the skin looks dull, dry and slightly scaly, with fine red lines criss-crossing the surface like cracked ceramic. Scratch it and it stings. If you live and work in Malaysia, this often gets worse in the exact places you feel most comfortable: the cold office, the bedroom with the aircon on all night, the car with the vents on full. That combination of dry, cool air and daily hot showers is a classic recipe for asteatotic eczema.

The good news is that this is one of the most treatable types of eczema, because the cause is mechanical and reversible. Your skin barrier has been dried out and depleted. Understand what is drying it, change those habits, and rebuild the barrier, and most people see a real difference within a couple of weeks.

What Is Asteatotic Eczema?

Asteatotic eczema is a type of dermatitis driven by extreme dryness. The name itself tells the story: "a-steato" means "without oil". The skin has lost the fats (lipids) and water it needs to stay supple, so the surface stiffens and splits. You may also see it called eczema craquele (from the French for "cracked"), xerotic eczema (xerosis means dry skin), or simply winter itch or dry skin eczema.

The signature look is the cracking pattern. Healthy skin flexes as you move. When skin is severely dehydrated, it cannot flex, so it fractures into small polygonal plates separated by thin red fissures. Dermatologists describe this as a "crazy paving" or "dried riverbed" appearance. Between the cracks the skin is scaly and rough, and the fissures themselves can be pink to red because the deeper, more irritated layers are showing through.

Underneath, the problem is a damaged skin barrier. The outer layer of skin works like a brick wall: skin cells are the bricks, and a mortar of lipids including ceramides holds them together and keeps water in. When that lipid mortar is stripped away, water escapes, irritants get in, and the skin becomes inflamed, itchy and cracked. Asteatotic eczema is essentially that barrier failure taken to its dry, fissured extreme.

Symptoms: How to Recognise It

Asteatotic eczema has a fairly distinctive look and feel. Common signs include:

  • Marked dryness and scaling, with a rough or "ashy" surface.
  • Fine red cracks in a net-like or crazy-paving pattern, most obvious on the shins.
  • Tightness, especially after washing or in cold air-conditioned rooms.
  • Itch that is often worse at night and after hot showers.
  • Stinging or soreness where the cracks are deepest.
  • Location: most often the lower legs and shins, but also the forearms, hands and trunk.

It is more common in older adults, because skin naturally makes less oil with age, but younger people are far from immune, particularly office workers, frequent travellers, and anyone with a long hot-shower habit. If the cracks start to ooze clear fluid, crust yellow, or the skin becomes hot, swollen and increasingly painful, that points to infection and needs medical attention rather than more moisturiser alone.

This is dry-skin eczema, so the fix is literally how you cleanse and moisturise.

Asteatotic eczema starts when your skin loses oil and water faster than it can replace them. So the treatment is a simple two-step: stop stripping, start replacing. Swap harsh, foaming soap for the mild, sulfate-free Yagishi Pure Goat's Milk Body Wash with Ceramide, which sits close to your skin's natural pH and cleanses without stripping, then replace the lost lipids with the Pure Goat's Milk Body Lotion with Ceramide to rebuild the barrier and lock water in. Both are fragrance-free, which matters a lot when your skin is already cracked and reactive.

Start the two-step routine with the duo bundle »

What Causes Asteatotic Eczema?

Almost every cause comes back to one thing: the skin losing moisture and oil faster than it can rebuild them. The usual drivers are:

  • Over-washing. Frequent showers, long soaks and repeated hand washing all strip natural oils.
  • Hot water. Hot showers feel great but dissolve skin lipids far more aggressively than lukewarm water. In Malaysia the hot-shower-then-cold-aircon cycle is especially harsh.
  • Harsh soap and foaming cleansers. Traditional bar soaps and strongly foaming body washes are alkaline and sulfate-heavy, which lifts away the protective barrier.
  • Low humidity and air-conditioning. This is a huge driver locally. Aircon pulls moisture out of the air and out of your skin. Hours in a chilled office or a bedroom cooled all night quietly dehydrates the shins and arms.
  • Ageing skin. Oil and ceramide production drops with age, so older adults dry out and crack more easily.
  • Winter, travel and flights. Cold dry climates and the very dry air on aeroplanes accelerate water loss.
  • Certain medications. Diuretics, some cholesterol-lowering drugs and long-term topical retinoids can dry the skin.
  • Underlying conditions. An underactive thyroid, kidney issues, poor nutrition and some skin conditions increase dryness and should be considered if the problem is stubborn.

Most people have several of these stacking together. The office worker who takes a hot shower, uses a foaming soap, then sits under a vent for eight hours is hitting the skin from every direction at once.

Habits That Dry Your Skin vs Better Habits

Small daily swaps make the biggest difference with asteatotic eczema. Here is what to change:

Habit that dries skin Better habit
Long, hot showers Short, lukewarm showers of 5 to 10 minutes
Harsh foaming or antibacterial soap Mild, sulfate-free, pH-close-to-skin cleanser
Towel-drying hard, then dressing straight away Patting damp, then moisturising within 3 minutes
Moisturising once a day, if at all Moisturising at least twice daily, more on legs
Aircon vent blowing directly on you all day Redirect the vent, raise the temperature slightly
Fragranced lotions that sting cracked skin Fragrance-free, ceramide-rich lotion

How Asteatotic Eczema Is Treated

Treatment has two jobs: calm the current flare, and repair the barrier so it stops coming back. The core steps are:

  • Generous emollients (moisturisers). This is the backbone of treatment. Apply a rich, fragrance-free moisturiser liberally and often, at least twice a day and more on the legs. Reach for products that contain ceramides, which are the same barrier lipids your dry skin is missing. A good ceramide moisturizer helps rebuild the mortar between skin cells and slows water loss.
  • Gentle cleansing. Stop using anything that strips. A mild, non-foaming or low-foaming, sulfate-free wash preserves the oils you are trying to keep.
  • Avoid hot water and long soaks. Keep showers lukewarm and brief.
  • Short-term topical steroid for inflamed patches. When the skin is red, itchy and inflamed, a doctor may prescribe a mild to moderate topical corticosteroid for a short course to bring the inflammation down. Use it exactly as prescribed, on the inflamed areas, and keep moisturising around it. Steroids calm the flare; they do not replace daily moisturising.
  • Treat the environment. Reducing aircon exposure and adding humidity where possible removes the driver, not just the symptom.

For most people, consistent gentle cleansing plus heavy daily moisturising is enough to clear a flare and keep it clear. Steroids are a short-term tool for the inflamed phase, not a daily habit.

Daily Routine to Rehydrate the Skin

The aim of the routine is simple: lose as little moisture as possible while washing, then trap water in the skin immediately afterwards. Here is a practical daily plan:

1. Shower smart

Keep it to 5 to 10 minutes with lukewarm, not hot, water. Use a gentle, fragrance-free cleanser only where you actually need it (underarms, groin, feet) rather than scrubbing the whole body with soap every time. A mild goat milk based wash such as the Yagishi Pure Goat's Milk Body Wash with Ceramide cleanses without stripping and sits close to your skin's natural pH, which is exactly what dry, cracked skin needs.

2. Pat, do not rub

Gently pat the skin so it stays slightly damp. Do not rub it fully dry with a rough towel.

3. Moisturise within 3 minutes

This is the single most important step. Applying a rich lotion to still-damp skin traps the surface water before it evaporates. Layer it on generously, especially the shins and forearms. The Yagishi Pure Goat's Milk Body Lotion with Ceramide combines goat milk fatty acids and ceramides to replace lost lipids and lock in moisture, and being fragrance-free it will not sting broken skin.

4. Reapply through the day

Moisturise again before bed, and keep a tube at your desk to reapply to hands and forearms after washing your hands or when the aircon leaves your skin feeling tight.

5. Humidify the aircon rooms

In cooled offices and bedrooms, a small humidifier or even a bowl of water near the unit adds moisture back to the air. Raising the thermostat a degree or two and keeping the vent from blowing straight at you also helps.

How to Prevent It Coming Back

Because asteatotic eczema is a barrier problem, prevention is really about protecting the barrier every day, even when your skin looks fine:

  • Keep showers short and lukewarm as a permanent habit, not just during a flare.
  • Moisturise daily, all year, focusing on the lower legs. Do not wait for cracking to start.
  • Stick with fragrance-free, ceramide-rich products so you are constantly topping up the skin's lipids.
  • Manage your aircon exposure: redirect vents, raise the temperature slightly, and humidify where you can.
  • Wear soft, breathable clothing; wool and rough fabrics can aggravate itchy, dry skin.
  • Stay hydrated and eat enough healthy fats, which support skin from the inside.
  • If you take medications that dry the skin or have a thyroid condition, keep up an especially diligent moisturising routine and mention persistent dryness to your doctor.

For more product options to keep the barrier topped up, see our guide to the best body lotions for dry and sensitive skin.

When to See a Doctor

Daily care handles most cases, but see a doctor or dermatologist if:

  • The cracks are deep, bleeding, or very painful.
  • The skin is weeping clear fluid, crusting yellow, or becoming hot, swollen and increasingly sore, which can signal infection.
  • The itch is severe enough to disturb your sleep or daily life.
  • It is not improving after two to three weeks of consistent gentle cleansing and heavy moisturising.
  • It keeps returning, is very widespread, or comes with other symptoms like fatigue or weight changes, which may point to an underlying condition such as thyroid disease that needs investigating.

A doctor can prescribe a short course of topical steroid for stubborn inflamed patches, treat any infection, and check for underlying causes. Yagishi products are daily skin care to support and protect the barrier; they are not a treatment for infection or a substitute for prescribed medication when your doctor recommends it.

Frequently Asked Questions

Is asteatotic eczema the same as dry skin?

It is dry skin taken to an extreme. Ordinary dry skin is rough and tight but intact. Asteatotic eczema is when that dryness passes a threshold and the skin becomes inflamed and cracks into the crazy-paving pattern, with itching and redness. Think of it as the eczema end of the dryness spectrum.

Why do my shins crack in air-conditioning?

The shins have very few oil glands to begin with, so they dry out first. Air-conditioning removes moisture from the air and from your skin, and the lower legs, being the least oily and often the most exposed, crack before anywhere else. This is why office workers and people who sleep with the aircon on frequently notice it on the shins first.

What type of moisturiser is best for asteatotic eczema?

A rich, fragrance-free moisturiser that contains barrier ingredients, especially ceramides, and ideally soothing fats. Ceramides matter because they replace the exact lipids the dry skin is missing. Avoid heavily fragranced or alcohol-heavy lotions, which can sting and further irritate cracked skin.

Does asteatotic eczema go away?

Yes, individual flares usually clear within a couple of weeks once you stop stripping the skin and moisturise heavily. But the underlying tendency to dry out stays, especially with age and constant aircon, so ongoing daily moisturising is what keeps it from returning.

Can I use goat milk products on cracked skin?

A mild, fragrance-free goat milk wash and lotion are generally gentle choices for dry, sensitive skin because they cleanse and moisturise without stripping and sit close to the skin's natural pH. If the skin is openly bleeding, weeping or infected, hold off on any product on those areas and see a doctor first.

How long until moisturising makes a difference?

Many people feel less tightness within days and see the cracking and redness settle over one to three weeks of consistent twice-daily moisturising. The key word is consistent: skipping days lets the barrier dry out again.

Should I stop showering so much?

You do not need to shower less often in Malaysia's climate, but you should shower smarter: keep it short and lukewarm, use a gentle cleanser only where needed rather than soaping the whole body, and always moisturise within three minutes of stepping out.

Is it linked to any health conditions?

Sometimes. Ageing skin is the most common association, but persistent or widespread asteatotic eczema can occasionally be linked to an underactive thyroid, kidney problems, certain medications or nutritional issues. If it is stubborn or comes with other symptoms, ask your doctor to check for an underlying cause.

Key Takeaways

  • Asteatotic eczema (eczema craquele or xerotic eczema) is very dry skin that cracks into a crazy-paving pattern, most often on the shins.
  • The cause is barrier failure: the skin loses oil and water faster than it can replace them, driven by hot showers, harsh soap, over-washing, ageing and, in Malaysia, air-conditioning.
  • Treatment is a simple two-step: cleanse gently without stripping, then moisturise heavily and often with a fragrance-free, ceramide-rich lotion applied within three minutes of showering.
  • A mild, pH-close-to-skin goat milk body wash plus a ceramide body lotion fits this exact problem, replacing what dryness has stripped away.
  • Short-term topical steroids, prescribed by a doctor, calm inflamed patches but do not replace daily moisturising.
  • See a doctor for deep, bleeding or infected cracks, no improvement after two to three weeks, or repeated flares that may hint at an underlying condition.

Reading more about how goat milk for skin supports a dry, compromised barrier can help you understand why gentle cleansing and lipid replacement work so well for this type of eczema.

Disclaimer: This article is for general information and education only and is not a substitute for professional medical advice, diagnosis or treatment. Asteatotic eczema can resemble or occur alongside other skin and health conditions. If your skin is severely cracked, bleeding, weeping or shows signs of infection, or if it does not improve with daily care, please consult a doctor or dermatologist. Yagishi products are daily skin care intended to support and protect the skin barrier and are not intended to diagnose, treat, cure or prevent any disease.