Why Itch Keeps Coming Back

Some itch is just an occasional urge to scratch. Other itch returns during meetings, meals and sleep, making it hard to concentrate. You may even wake in the middle of the night to find that you have scratched your skin open again.

For people with eczema or sensitive skin, itch can make ordinary life difficult. Being told to ‘hold back and stop scratching’ often does little to help.

Why skin's alarm becomes sensitive

Think of itch as your skin's alarm. Sensory nerves in the skin pick up certain stimuli and send signals to the brain, creating the urge to scratch.

The immune response in eczema releases ‘messenger substances’. Some can stimulate nerves or make them easier to trigger. It is like turning up an alarm's sensitivity: stimuli you would barely notice before can become very bothersome.[1]

Dryness, heat, sweat, friction from clothing and stress can all worsen discomfort. Sometimes it is tightness after washing your hands; sometimes it is the discomfort of a collar rubbing your neck after you have rushed for transport and worked up a sweat.[2,3]

The same person may feel only mildly itchy today but be unable to sleep tomorrow. Understanding your own triggers is more useful than following the same list of ‘things to avoid’ as everyone else.

Why scratching feels good, then makes itch worse

Scratching creates another sensation that can temporarily override itch, which is why a scratch can feel good. But repeated scratching damages the skin barrier, makes it easier for water to escape and may worsen inflammation.[4]

Skin then becomes more uncomfortable and the urge to scratch grows, creating an ‘itch–scratch–itch’ cycle.

This is why caring for itchy skin needs several approaches together: controlling eczema inflammation while reducing dryness and everyday irritation gives the cycle a better chance of slowing down.

Itch and stress can affect each other

Itch can make you irritable and disrupt concentration; some scratching happens without you noticing, at work or during sleep. Stress can also make itch worse, creating another cycle.[2,5]

Rest, relaxation and noticing your scratching habits are part of care too. If itch and anxiety feed into each other, ask a healthcare professional about complementary approaches such as cognitive behavioural therapy. This does not mean itch is ‘all in your mind’.[6]

Oxora starts with oxygen to care for the skin microenvironment

Oxora builds on proprietary oxygen nanobubble technology, treating local oxygen conditions as a key starting point for exploring constraints on skin function. Our Micro-Environment Modulation (MEM) approach starts with oxygen, then extends to microbial balance, hydration and pH. The design aim is to improve local conditions that may hinder normal skin function, giving skin a better environment in which to carry out its own work.

1｜Oxygen: exploring a key condition for normal skin function

Maintaining and renewing the skin barrier requires cells to function normally; local oxygen conditions are one influence on this. Oxora's oxygen nanobubble design focuses on local oxygen availability, exploring whether supplying oxygen through topical application can support skin in maintaining its barrier. We hope to start with the conditions in which skin functions, reduce the irritation associated with barrier disruption and take a further step towards soothing itch.

2｜Microbial balance: helping skin, the host, hold its ground

Skin naturally hosts different microbes, and some microbial products may influence itch. A 2023 experimental study found that Staphylococcus aureus, which often occurs on eczema-affected skin, secretes a protease called V8. This substance can directly stimulate itch-sensing nerves.[4]

By ‘Host Advantage’, we mean giving skin, the ‘host’, better conditions to maintain the delicate order among microbial communities. Oxora MEM starts with a design for local oxygen supply, combined with hydration and a slightly acidic formula. The aim is to support skin's own barrier and defences, creating a more suitable setting for skin and microbes to coexist peacefully. If this helps skin maintain order among its microbes, it may reduce irritation from sources including Staphylococcus aureus-related products, removing one driver of the itch cycle.

3｜Hydration: reducing recurring irritation from dryness

A dry stratum corneum can become rough and tight, like an outer wall that has lost its flexibility. Appropriate moisturising helps maintain the skin barrier and reduce discomfort from dryness.[3] Oxora's fragrance-free, water-based gel serum contains humectants such as hyaluronic acid. Its design emphasises hydration and moisture retention so that dryness has less influence on skin. If skin still feels dry, a suitable fragrance-free moisturising cream can help retain water.

4｜Slightly acidic pH: working with skin's familiar environment

The skin surface is naturally slightly acidic, which helps the barrier function normally. When pH rises, certain protein-breaking enzymes become more active and may weaken the barrier, making skin more easily irritated.[7] Oxora uses a slightly acidic formula to work with skin's natural acid–alkaline environment, starting with conditions that can give rise to discomfort.

All four directions point towards one aim: helping skin spend less time in a state where it is easily irritated. These are Oxora's design principles; whether and how the products change skin oxygen supply, microbes, moisture, surface pH and itch still needs confirmation through research on the products themselves. Oxora products are skincare, not medicines. Treatment required for eczema should continue as directed by a doctor.

Caring for skin when itch strikes

• Let skin cool down first. Briefly applying a clean, cool, slightly damp towel as a compress may provide temporary comfort; follow with an appropriate moisturiser.

• Reduce everyday irritation. Avoid long washes with hot water, wear soft, breathable clothing and notice whether collars and labels repeatedly rub your skin.

• Make moisturising a daily habit. After bathing, gently pat skin dry and, while it is still slightly damp, apply a fragrance-free moisturising cream or ointment that your skin tolerates.

• Try new products on a small area first and follow the product instructions. If Oxora or another skincare product causes stinging, redness, swelling or worsening itch, stop using it and consult a healthcare professional.

Look at improvement in everyday life

You can record your worst itch each day on a scale from 0 to 10: 0 means no itch at all, and 10 means unbearable itch. Also note whether itch woke you, what care you used that day and any possible triggers.

Notice whether you are scratching less, concentrating more easily and sleeping more soundly too. These records can help you and your healthcare professional understand changes.

Seek medical assessment if itch persists, repeatedly disrupts sleep or does not respond to your current care and treatment. Seek medical attention promptly if skin suddenly worsens, produces pus, becomes noticeably hot and painful, or the changes are accompanied by fever.

For people whose lives are repeatedly interrupted by itch, sleeping well for a night, wearing clothes they like or sharing a meal with family without distraction are improvements worth valuing. These small freedoms are part of the everyday life Oxora cares about.

This article provides educational information on everyday skincare and does not replace diagnosis or treatment.