Fast answer
Seborrheic dermatitis triggers are factors that make your symptoms worse or increase the likelihood of a flare-up. While triggers vary from person to person, common ones include stress, illness, cold weather, hormonal changes, lack of sleep and certain skincare or haircare products. Learning what triggers your flare-ups can help you manage seborrheic dermatitis more effectively.
For a complete guide to the condition, visit our Seborrheic Dermatitis Hub. You can also explore our Seborrheic Dermatitis Collection for products developed to support itchy, flaky and sensitive skin.
Introduction
One of the most frustrating parts of living with seborrheic dermatitis is that flare-ups often seem to happen without warning.
Your skin may feel comfortable for weeks before suddenly becoming itchy, flaky or irritated again. This unpredictability leaves many people wondering what they did wrong.
The reality is that flare-ups are often linked to everyday triggers.
Although you can't always avoid every trigger, recognising the situations that regularly make your symptoms worse can help you reduce flare-ups and gain more control over your skin.
What is a seborrheic dermatitis trigger?
A trigger is anything that causes your seborrheic dermatitis symptoms to worsen or increases the chance of a flare-up.
Triggers don't cause seborrheic dermatitis itself, but they can increase inflammation, irritation or skin sensitivity in people who already have the condition.
Not everyone has the same triggers.
Some people find stress is their biggest problem, while others notice their symptoms become worse during winter or after using certain skincare products.
Understanding your own triggers is one of the most important parts of managing seborrheic dermatitis.
The American Academy of Dermatology lists stress, cold and dry weather, hot water and exposure to harsh soaps or chemicals among the common factors that may trigger a flare up.
Stress
Stress is one of the most commonly reported triggers.
Many people notice that their skin becomes itchier, redder or flakier during periods of emotional stress.
Although stress doesn't directly cause seborrheic dermatitis, it may influence the body's inflammatory response, making flare-ups more likely.
Managing stress isn't always easy, but regular exercise, good sleep and relaxation techniques may help some people reduce flare-ups.
Cold weather
Many people experience worse symptoms during autumn and winter.
Cold outdoor temperatures combined with dry indoor heating can reduce moisture levels in the skin and make irritation more noticeable.
Common winter symptoms include:
• Increased flaking.
• Dryness.
• Redness.
• Itching.
Adjusting your skincare routine during colder months may help reduce seasonal flare-ups.
Illness
Many people notice their seborrheic dermatitis becomes worse after being unwell.
Colds, flu and other illnesses may temporarily affect the immune system, making flare-ups more likely while your body is recovering.
Although this isn't something you can always prevent, recognising the pattern can help explain why symptoms suddenly appear.
Fatigue and lack of sleep
Poor sleep and ongoing fatigue are frequently linked with flare-ups.
Sleep is an important time for skin repair.
When you don't get enough rest, your skin may become more vulnerable to irritation and inflammation.
Improving your sleep routine may benefit both your overall wellbeing and your skin.
Hormonal changes
Some people notice their seborrheic dermatitis changes during periods of hormonal fluctuation.
Although researchers are still studying this relationship, hormonal changes may influence oil production, which can affect symptoms in some individuals.
Skincare and haircare products
Not every skincare or haircare product is suitable for sensitive skin.
Some people find their symptoms become worse after using products containing:
• Heavy fragrance.
• Harsh cleansing agents.
• Alcohol-based ingredients.
• Strong exfoliants.
Choosing gentle products developed for sensitive skin may help reduce unnecessary irritation.
If you suspect that your shampoo may be irritating your scalp, our Best Shampoo for Seborrheic Dermatitis guide explains what to look for when choosing gentler scalp care.
How to identify your personal triggers
Although the list of common triggers is helpful, the most useful information comes from understanding your own skin.
Many people discover that the same trigger causes a flare-up repeatedly. Recognising these patterns makes it easier to adjust your routine before symptoms become severe.
Ask yourself:
• Have I been under more stress than usual?
• Have I been ill recently?
• Am I sleeping less?
• Have I changed my shampoo or skincare products?
• Has the weather become colder or drier?
• Have I stopped following my usual skincare routine?
Even simple observations can help you identify patterns over time.
Keep a Flare Up Diary
If your seborrheic dermatitis frequently comes and goes, keeping a simple diary may help you identify the factors associated with your flare ups.
Record:
• When the flare up started.
• Which areas were affected.
• Any new skincare or haircare products.
• Your stress levels.
• Your sleep quality.
• The weather conditions.
• Any recent illness.
After a few weeks, you may begin to notice recurring patterns that you had not previously recognised. These observations can help you understand your personal triggers and make more informed decisions about your daily routine.
Protect your skin barrier
While you can't avoid every trigger, maintaining a healthy skin barrier can make your skin more resilient.
Supporting your skin barrier may help reduce:
• Dryness.
• Irritation.
• Sensitivity.
• Discomfort during flare-ups.
A consistent skincare routine is often one of the simplest ways to reduce the impact of everyday triggers.
Reduce unnecessary irritation
Everyday habits can sometimes make seborrheic dermatitis worse without you realising.
Helpful habits include:
• Cleansing gently.
• Avoiding harsh scrubs.
• Washing with lukewarm water.
• Choosing products suitable for sensitive skin.
• Avoiding scratching affected areas.
Small changes may reduce irritation and help your skin recover more comfortably.
Can you prevent every flare-up?
Unfortunately, no.
Even people with an excellent skincare routine experience occasional flare-ups.
Stressful periods, illness and seasonal changes aren't always avoidable.
The goal isn't to eliminate every flare-up but to make them less frequent, less severe and easier to manage when they occur.
Recognising your triggers is only one part of managing the condition. Our Seborrheic Dermatitis Treatment guide explains the treatment and maintenance options that may help control itching, flaking and inflammation.
What we've learned from supporting people with seborrheic dermatitis
One of the biggest patterns we've noticed is that people often focus on finding the perfect product while overlooking the everyday habits that repeatedly trigger their skin.
Many customers eventually realise that their flare-ups aren't caused by one single factor.
Instead, symptoms often appear when several triggers happen together.
For example:
• A stressful week at work.
• Poor sleep.
• Cold weather.
• Missing their usual skincare routine.
On their own, these factors may have little effect, but together they can be enough to trigger a flare-up.
We've also found that people who understand their personal triggers often feel much more confident managing their condition because they know what to expect and how to respond.
From Our Snail Farm in County Monaghan
Bragan Skincare began on our family snail farm in the drumlins of County Monaghan, Ireland. Our founder, Kieran Corley, became interested in snail mucin through his own experience working with snails, and that experience inspired the skincare range we make today.
The snail mucin used in our products comes from our own farm. We include it in gentle, fragrance free formulas developed to support hydration, moisture retention and the skin’s natural protective barrier. This reflects our wider approach to sensitive skin care: keep routines simple, avoid unnecessary irritation and support the skin consistently.
Snail mucin is not a treatment or cure for seborrheic dermatitis and it cannot remove the underlying triggers. However, skincare designed to support dry, sensitive and irritation prone skin may form a helpful part of a gentle daily routine.
Our connection to the farm is an important part of who we are. It gives customers a clear understanding of where our story began and why supporting sensitive skin remains at the centre of Bragan Skincare.
Kieran Corley, founder of Bragan Skincare, on our snail farm in County Monaghan, Ireland.
Darren’s Experience with Eczema Prone Skin
Dermatitis is a broad term used to describe inflammatory skin conditions. Seborrheic dermatitis is one form of dermatitis, while atopic dermatitis, often called atopic eczema, is another.
Although they are different conditions, both can leave the skin feeling irritated, uncomfortable and sensitive. People living with different forms of dermatitis may also experience similar challenges when choosing products and establishing a gentle, consistent skincare routine.
Darren’s experience relates to sensitive, eczema prone skin around his eyes rather than seborrheic dermatitis specifically. After trying several products without finding what he was looking for, we offered Darren a sample of Bragan Atopic Cream. He later told us that his skin felt calmer and more comfortable and returned to purchase a full sized bottle.
Click Darren’s photograph below to watch his video testimonial and hear him describe his experience in his own words.
We have included Darren’s story because it reflects the broader experience of living with skin affected by dermatitis and the importance of finding a gentle routine that suits the individual.
Like every video featured on our website, Darren’s testimonial is authentic and original. It was not created using actors, models or a professional studio. Our customers record their experiences themselves, often using their own phones and filming in their own homes. The production quality may not always be perfect, but we are extremely proud that real customers trust us enough to share their stories.
Shared with permission. Darren’s experience is personal to him, and individual experiences and results will always vary.
Common mistakes people make when managing seborrheic dermatitis triggers
Although it's impossible to avoid every trigger, understanding what makes your symptoms worse can help reduce the frequency and severity of flare-ups.
Many people unknowingly make small mistakes that keep inflammation going or make it more difficult for their skin to recover.
Assuming everyone's triggers are the same
One of the biggest misconceptions is that there's a universal list of triggers.
While stress, illness and cold weather are common, your triggers may be completely different from someone else's.
Taking the time to understand your own skin is far more valuable than following someone else's routine.
Changing too many things at once
When a flare-up occurs, it's tempting to replace every skincare product or completely overhaul your routine.
Unfortunately, changing several things at the same time makes it difficult to work out what actually triggered your symptoms or what is helping them improve.
Introduce changes gradually whenever possible.
Ignoring early warning signs
Many people wait until their symptoms become severe before changing their routine.
However, you may notice subtle signs that a flare-up is beginning, such as:
• Mild itching.
• Slight redness.
• Small patches of flaking.
• Increased scalp sensitivity.
Responding early may help prevent symptoms from becoming more uncomfortable.
Scratching itchy skin
Scratching often provides temporary relief, but it usually increases inflammation and may damage the skin barrier.
Instead of scratching, focus on calming irritation with a gentle skincare routine and avoiding the trigger that caused the flare-up where possible.
Stopping your routine when your skin improves
It's easy to relax your routine once your skin looks healthier.
However, maintaining a consistent routine often helps protect the skin barrier and may reduce the likelihood of future flare-ups.
When should you seek medical advice?
You should speak to a healthcare professional if:
• Your flare-ups become increasingly severe.
• Your skin becomes painful, swollen or begins to ooze.
• You suspect an infection.
• Your symptoms continue despite avoiding obvious triggers.
• You're unsure whether you have seborrheic dermatitis or another skin condition.
A healthcare professional can help confirm the diagnosis and recommend appropriate treatment if needed.
Flaking does not always mean that you have seborrheic dermatitis. Our Dandruff vs Seborrheic Dermatitis guide explains the important differences between these commonly confused conditions.
Frequently asked questions
What is the most common trigger for seborrheic dermatitis?
Stress is one of the most commonly reported triggers, although cold weather, illness, poor sleep and certain skincare or haircare products also frequently contribute to flare-ups.
Can stress really make seborrheic dermatitis worse?
Yes. Many people notice their symptoms become worse during stressful periods, even though stress doesn't directly cause the condition.
Does winter trigger seborrheic dermatitis?
For many people, yes. Cold outdoor temperatures and dry indoor heating often increase dryness, flaking and irritation.
Can shampoo trigger seborrheic dermatitis?
Some shampoos containing harsh cleansing agents or heavy fragrances may irritate sensitive scalps. Choosing products suitable for sensitive skin may help reduce unnecessary irritation.
How do I know what my triggers are?
Keeping a simple diary of flare-ups, stress levels, sleep, weather and new products often helps identify recurring patterns.
Can I completely prevent flare-ups?
Probably not.
However, recognising your personal triggers, supporting your skin barrier and following a consistent skincare routine may help make flare-ups less frequent and less severe.
Our Sensitive Skin Philosophy
At Bragan Skincare, Our philosophy has always been simple: sensitive skin should be treated gently.
Over the years, we have spoken with many people dealing with eczema, psoriasis, seborrheic dermatitis, dryness, irritation, and reactive skin who felt frustrated after trying heavily fragranced, overly harsh, or complicated skincare routines that often seemed to leave their skin feeling even more uncomfortable.
That experience played a major role in shaping how we developed our products. Rather than focusing on harsh ingredients or aggressive routines, we became increasingly interested in creating skincare designed to support the skin barrier gently while helping reduce unnecessary irritation and dryness.
We also understand that everybody’s skin behaves differently. No single product works perfectly for every person, and sensitive skin can often react unpredictably depending on stress, environment, routines, and individual triggers. For that reason, our focus has always been on consistency, simplicity, and creating products that feel calming, supportive, and comfortable on sensitive skin.
After years of listening to customers and working with people dealing with irritated and reactive skin, one thing has remained constant: many people simply want skincare that helps their skin feel calmer, more comfortable and easier to manage in everyday life.
Final thoughts
Learning what triggers your seborrheic dermatitis is one of the most effective ways to take control of the condition.
Although you may not be able to avoid every trigger, understanding how stress, weather, illness and everyday habits affect your skin can help you make informed decisions and reduce future flare-ups.
