Seborrhoea: How to care for skin prone to seborrhoeic dermatitis

Seborrhoea, medically known as seborrhoeic dermatitis, is a chronic inflammatory skin condition that affects approximately 3.2% of adults, according to a European population study (Sanders et al., Br J Dermatol, 2019). It causes redness, yellowish greasy flakes and occasional itching in areas where the skin has the most sebaceous glands. In this article, you will learn what really causes seborrhoea, how to distinguish it from similar conditions, which active ingredients are worth considering and what a realistic skincare routine looks like. At Dulcia, we formulate with respect for the skin barrier, which is crucial with seborrhoea, as aggressive oil stripping usually makes the problem worse.

What are seborrhoea and seborrhoeic dermatitis?

Seborrhoea, referred to in medical literature as seborrhoeic dermatitis, is a chronic inflammatory skin condition characterised by well-defined red patches with white or yellowish greasy flakes. It mainly affects areas rich in sebaceous glands: the scalp, the facial T-zone (nose, forehead), eyebrows, behind the ears and the upper chest. It is not contagious.
It is a chronic skin condition with a recurring course: flare-ups alternate with periods of remission, which can last weeks to months. It has two age peaks: infants (known as “cradle cap”, which typically clears up on its own within the first year) and adults aged 30 to 60 (Tucker & Masood, StatPearls, 2024).
A large German population study of 161,269 employees identified seborrhoeic dermatitis in 3.2% of adults: 4.6% of men and 1.4% of women, a ratio of roughly 3 : 1 (Sanders et al., 2019). Worldwide, prevalence among adults is around 4.4% (Dessinioti & Katsambas, Clin Dermatol, 2013). “Seborrhoea” is the common Slovak term, while “seborrhoeic dermatitis” is its medical synonym; we will use both terms throughout this article.

What causes seborrhoea? Three factors working together

Seborrhoea results from three factors that must be present at the same time: the naturally occurring yeast Malassezia, excess sebum production and an individual skin predisposition. Without this predisposition, even people with a large Malassezia population and oily skin can remain completely unaffected. This is precisely why “better hygiene” does not solve the problem, and poor cleansing does not cause it.

Factor 1: Malassezia and its metabolites
The yeast genus Malassezia, particularly M. globosa and M. restricta, commonly lives on the skin of healthy adults as a commensal organism (Borda & Wikramanayake, J Clin Investig Dermatol, 2015). Its presence alone is not a problem; what matters is how the skin reacts to it. The yeast produces lipases that break down triglycerides in sebum, releasing free fatty acids, particularly oleic acid. In predisposed individuals, this directly disrupts the skin barrier and activates pro-inflammatory signals (Schwartz et al., Acta Derm Venereol, 2013). A systematic analysis of the microbiome also shows that in people with seborrhoea, the main difference is not so much the total amount of Malassezia as the balance of species and their coexistence with Staphylococcus. This is dysbiosis, rather than simple overgrowth (Tao et al., Exp Dermatol, 2021).

Factor 2: Sebum and sebaceous glands
Seborrhoea affects areas with a dense network of sebaceous glands: Malassezia needs the lipids in sebum to grow. Men have higher androgen activity, and therefore more sebum and statistically more frequent symptoms (Sanders et al., 2019).

Factor 3: Individual predisposition and the barrier
Genetics, immune status and, above all, the condition of the skin barrier determine whether commensal Malassezia becomes an active irritant. Biopsies of seborrhoeic lesions in 2024 showed that skin affected by seborrhoea has an altered ceramide composition (more short chains, fewer long chains), which directly reduces barrier integrity (Rousel et al., Exp Dermatol, 2024).
“Seborrhoea is caused by poor hygiene”: the most common myth
This is the most harmful misconception we encounter among our customers. Seborrhoea has nothing to do with dirt or how often you wash your skin. In fact, people with seborrhoea often wash more intensively than those without it in an effort to remove flakes, further disrupting the barrier. The myth also ignores the fact that seborrhoea affects infants, who clearly cannot be making “hygiene mistakes”.

Stress and cortisol: why seborrhoea gets worse under pressure

Psychological stress activates the hypothalamic–pituitary–adrenal (HPA) axis, increasing cortisol levels. Cortisol stimulates sebaceous glands, suppresses the immune response and slows barrier repair. For skin prone to seborrhoea, this creates a classic vicious circle: stress, more sebum, greater Malassezia activity, visible symptoms and further stress.
Clinical data support this. A study published in Annales de Dermatologie et de Vénéréologie found that seborrhoeic episodes in adults were preceded by an identifiable stressful event in 76% of cases (Misery et al., 2007). This is known as the brain–skin connection: two-way communication between the nervous system and the skin through neuropeptides and immune mediators.
What this means in practice: topical skincare alone cannot compensate for long-term stress. Our inside-and-out approach therefore applies to seborrhoea: sleep (at least 7 hours), a low-glycaemic-load diet, exercise and stress management are just as important as choosing an active ingredient. Many customers confirm that their symptoms only eased when they began addressing sleep and stress too, rather than focusing solely on products.

How to recognise seborrhoea: symptoms and differences from similar conditions

Typical signs of seborrhoea are greasy, yellow-white flakes over red skin, most commonly in the facial T-zone, eyebrows, behind the ears and on the scalp. Distinguishing it from psoriasis, atopic dermatitis and rosacea is crucial, as confusion leads to ineffective care.
Seborrhoeic flakes are greasy with a faint yellowish tint; the skin beneath is often visibly red, and the edges of the lesions are fairly well defined. Itching is common, but rarely the main symptom. The most common facial sites are the inner folds beside the nostrils, the nasolabial folds, eyebrows, behind the ears and the corners of the mouth.
Comparison: Seborrhoea vs. psoriasis vs. atopic dermatitis vs. rosacea

Comparison takeaway: If you are unsure about the diagnosis, or symptoms spread rapidly and do not fit the categories in the table, consult a dermatologist.

Facial seborrhoea: where it occurs and what helps

Facial seborrhoea most commonly affects the nasolabial folds, nose, eyebrows and forehead: the areas with the most sebaceous glands. Good care rests on three pillars: gentle cleansing with a neutral pH, a targeted active ingredient (zinc, niacinamide or azelaic acid) and consciously preserving the barrier.
Gentle cleansing is essential, as stripping away oils and drying the skin worsens the barrier dysfunction already present in seborrhoea (Rousel et al., 2024). Choose a pH close to the skin's natural level (around 5.5), avoiding harsh surfactants (SLS, SLES) and alcohol-based formulas. Wash twice daily with lukewarm water, never hot.
Introduce an active ingredient gradually, only after 2 to 3 weeks of a consistent cleansing routine. Start 2 to 3 times a week in the evening and increase as tolerated. Less is more. During an acute flare-up with a visible red patch, targeted overnight application is appropriate; Zinc Ointment with 20% zinc oxide, discussed in the formulation section, is ideal for this purpose.
SPF protection is not optional with seborrhoea: UV radiation intensifies inflammation, disrupts the barrier and adds oxidative stress. Choose mineral filters (zinc oxide, titanium dioxide) or formulas with niacinamide.

Scalp seborrhoea: how to soothe the scalp (including care at home)

Scalp seborrhoea causes greasy yellowish flakes, itching and sometimes inflamed red patches. Antifungal shampoos with ketoconazole 2% or zinc pyrithione 1–2% have the strongest evidence. Among natural alternatives, 5% tea tree oil has proven efficacy: in an RCT involving 126 participants, it improved symptoms in 41% of people compared with 11% in the placebo group (Satchell et al., J Am Acad Dermatol, 2002).
The mechanism is the same as on the face; only the local features differ (follicles, a thick keratin layer, hair), so a liquid formula reaches the scalp better than a cream.
Pharmaceutical options with the strongest evidence:
Ketoconazole 2%: antifungal; significantly better than 1% ZnPTO after 4 weeks in a multicentre RCT involving 331 people (Pierard-Franchimont et al., Skin Pharmacol Physiol, 2002).
Zinc pyrithione 1–2% (ZnPTO): clinically effective, reducing the Malassezia population by more than 60% after 2 weeks (Schwartz, J Drugs Dermatol, 2016).
Selenium sulphide 2.5%: effective, but can dry out hair.
Salicylic acid 2–3% combined with an antimicrobial ingredient softens and loosens flakes through its keratolytic action.
A few rules apply to home care: use a shampoo with active ingredients 2 to 3 times a week and a gentle shampoo without actives on other days, leave the active shampoo on the scalp for 3 to 5 minutes before rinsing, and dry your hair thoroughly after washing, as a warm, damp environment encourages Malassezia growth (Borda & Wikramanayake, 2015).
At Dulcia, we do not yet make a dedicated shampoo for seborrhoeic scalps; our speciality is facial and body skincare. For combined seborrhoea (face and scalp), we therefore recommend pairing a proven antifungal shampoo with our facial skincare.

Active ingredients worth considering for seborrhoea

For seborrhoea, useful active ingredients work in three ways at once: against Malassezia, against inflammation and in support of the barrier. Four main ingredients fit this approach: zinc (as oxide or pyrithione), azelaic acid, niacinamide and salicylic acid. Each has its own clinical data, place in a routine and strengths.

Zinc: zinc oxide and zinc pyrithione

Zinc works in two ways in seborrhoea. Zinc pyrithione (ZnPTO) is strongly antifungal: at concentrations of 1 to 2% in shampoos, it reduces the Malassezia population by more than 60% after two weeks of use. Its mechanism involves disrupting iron–sulphur clusters in yeast cells and inducing oxidative stress (Schwartz, 2016). In Europe, ZnPTO has been regulated since 2023, so newer formulas use lower concentrations or alternatives (piroctone olamine). Zinc oxide (ZnO) works differently: its primary role is not antifungal but barrier-protective, absorbing excess moisture and providing a mild anti-inflammatory effect. It is used at concentrations ranging from 1% in cosmetics to 20 to 25% in dermatological pastes and ointments. In our testing of targeted application to active facial seborrhoea, clinically useful concentrations were above 15%.

Azelaic acid

Azelaic acid is a naturally occurring dicarboxylic acid (found in barley, wheat and rye). It is of interest for seborrhoea because it covers all three required mechanisms at once: it has antimicrobial activity, including a direct effect against Malassezia, is anti-inflammatory (inhibiting reactive oxygen species released by neutrophils) and suppresses sebum production (Sieber & Hegel, Skin Pharmacol Physiol, 2014). A 2015 review by Schulte et al. in J Drugs Dermatol explicitly mentions its clinical use in seborrhoeic dermatitis as an adjunct to first-line treatment.
For dermatological indications (rosacea, acne), clinical concentrations are 15 to 20%. Natural cosmetics typically use concentrations of 5 to 10%. You can read more on our azelaic acid reference page.

Niacinamide (vitamin B3)

Niacinamide is a water-soluble vitamin with four skincare actions: it regulates sebum production, suppresses inflammation, supports ceramide synthesis and blocks melanin transfer. Its sebum-regulating effect is clinically documented: topical 2% niacinamide reduces casual surface sebum levels after 2 to 6 weeks (Draelos et al., J Cosmet Laser Ther, 2006).
Its anti-inflammatory and ceramide-stimulating effects are especially important in seborrhoea: Rousel et al. (2024) showed that seborrhoeic skin has altered ceramides, and niacinamide directly targets this weakness. Typical concentrations are 1% in toners, 4 to 5% in serums and 5% in day creams with SPF. At Dulcia, we formulate niacinamide serums and creams at this concentration to balance efficacy and safety.

Salicylic acid (BHA)

Salicylic acid is a beta-hydroxy acid with keratolytic and mild anti-inflammatory activity. It has a specific role in seborrhoea: softening and loosening flakes. Improvements in skin appearance and comfort come quickly, but it does not address Malassezia or sebum on its own, so we combine it with another active ingredient. Salicylic acid + ZnPTO (or piroctone olamine) have clinically validated synergy (Ge et al., J Cosmet Dermatol, 2025). For facial seborrhoea, concentrations of 0.5 to 2% are used; in shampoos, 2 to 3%. With sensitive, dry or irritated skin, proceed cautiously: start once a week and monitor the response.

At Dulcia, we formulate with seborrhoea in mind: the case of Zinc Ointment
When developing Zinc Ointment, we chose zinc oxide at a concentration of 20%, approximately ten times typical cosmetic concentrations. For red, actively irritated skin, we want the active ingredient to protect the barrier and absorb excess moisture, rather than simply improve appearance. In our testing, 20% proved the optimum balance between efficacy and tolerability.
We designed the oil base so that ZnO protects rather than dries: a combination of coconut, grapeseed and hemp oils with shea butter supports the ceramide structure of the damaged barrier. We added tea tree and rosemary oils (natural antimicrobial activity) and grapefruit seed extract for additional antioxidant protection.
For facial seborrhoea, apply a small amount of ointment to affected spots overnight: 2 to 3 times a week during remission, and every night during a flare-up until the skin settles. For extensive involvement or scalp seborrhoea, it complements rather than replaces an antifungal shampoo. It is our clear first choice for localised acute flare-ups; for widespread symptoms, consulting a dermatologist is always appropriate.

What to avoid with seborrhoea

With seborrhoea, aggressive oil stripping and products with a high alcohol content do the most harm to the skin. The reason seems paradoxical but is physiologically sound: removing sebum triggers compensatory oiliness and further disrupts an already weakened barrier (Rousel et al., 2024). Strong fragrances and undiluted essential oils are the second major mistake.

Specific approaches we do not recommend for seborrhoea:
Soaps with a pH above 7 and harsh surfactants. Traditional bar soap or highly foaming gels (high SLS content) dry out the skin and disrupt the barrier; choose gentle gels with amino acid-based surfactants and a pH of 5.5.
Alcohol-based toners and astringents. A “mattifying” toner containing ethanol directly dehydrates the barrier. It may seem effective in the short term, but worsens the problem over time.
Daily exfoliation and physical abrasives. Harsh scrub particles and brushes have no place on actively inflamed skin.
Heavy occlusive ointments over the entire area. Petroleum jelly or pure petroleum create a warm, moist environment: ideal conditions for Malassezia.
Strong fragrances and undiluted essential oils. Tea tree oil has proven efficacy at 5%, but undiluted 100% oil often causes contact dermatitis (Satchell et al., 2002).
Another common myth is: “wash as often as possible with the strongest possible soap”. Physiologically, the opposite is true. The barrier recovers when left in peace, not under intensive cleansing.

A daily routine for seborrhoea, step by step

A seborrhoea routine is simpler than it seems. Gentle cleansing morning and evening, an active ingredient in the evening, lightweight moisturisation and SPF in the morning. During an acute flare-up, add targeted zinc overnight. Visible improvement usually comes after 4 to 8 weeks of consistent use.

Morning routine
Cleansing. A gentle gel or micellar water with a neutral pH, lukewarm water, and pat dry.
Active ingredient (optional). 2 to 3 drops of niacinamide serum (5%).
Moisturisation. A lightweight cream with ceramides or hyaluronic acid.
SPF. At least SPF 30, ideally SPF 50, preferably with niacinamide.

Evening routine
Remove make-up with micellar water or a cleansing milk (if worn).
Cleanse with the same gentle gel as in the morning.
Active ingredient:
During remission: azelaic acid, introduced gradually (twice a week, increasing to every other night if well tolerated, then daily after four weeks).
During a flare-up: targeted zinc ointment application 2 to 3 times a week.
Moisturisation and barrier repair. A lightweight night cream with ceramides and panthenol.
What to expect and when to review
Visible improvement usually occurs within 4 to 8 weeks. If you notice worsening after two weeks (temporary sensitivity, warmth, slight flaking), reduce how often you use the active ingredient. If there is no improvement after 6 to 8 weeks of a consistent routine, consult a dermatologist. When choosing specific products, take a look at our gentle cleansing gels category.

Recommended Dulcia products for seborrhoea

A simple four-product routine covers cleansing, an active ingredient, barrier care and UV protection.
Zinc Ointment:  targeted help for acute flare-ups
Zinc Ointment contains 20% zinc oxide in an oil base with coconut and hemp oils, shea butter and tea tree oil. It is our clear first choice for localised acute flare-ups: when you see a specific red, oily patch, ZnO protects the barrier while absorbing excess moisture. Apply overnight, 2 to 3 times a week. More about Zinc Ointment.
Soapnut Cleansing Gel: the foundation of your routine
Cleansing Gel with soapnuts, enriched with CutiBiome CLR™ and vitamin E, is our clear first choice for daily cleansing. Gentle, with a barrier-friendly pH and no sulphate surfactants. Use morning and evening.
Exclusive Lifting Serum: niacinamide with peptides
Exclusive Lifting Serum combines 15% peptides with vitamin B3 (niacinamide). For skin with seborrhoea, niacinamide is the most important component: it regulates sebum, suppresses inflammation and supports the synthesis of ceramides, which seborrhoeic skin lacks.
SPF 50 Cream with Niacinamide: daily protection
SPF 50 Cream with 5% niacinamide combines mineral protection with the anti-inflammatory effect of vitamin B3. A morning step that helps stabilise the skin over time and prevents oxidative stress from adding to existing inflammation.

Frequently asked questions

Can seborrhoea be cured?
Seborrhoea is a chronic inflammatory condition that cannot be permanently cured, but can be managed effectively. With the right care, most people achieve long periods of remission when their skin is almost symptom-free. The keys are consistency, respecting the barrier and identifying individual triggers (stress, sleep, hormonal influences). The aim of care is not a cure, but to keep the skin stable.

Is seborrhoea contagious?
No, seborrhoea is not contagious. Malassezia, the yeast involved in its development, is a natural part of the skin flora of almost all healthy adults (Borda & Wikramanayake, 2015). Whether someone develops seborrhoea depends on their individual skin predisposition, barrier condition and immune system, not contact with another person. There is therefore no need to limit close contact with your family or partner.

Why does seborrhoea keep coming back?
Seborrhoea is cyclical by definition. The most common triggers for recurrence are stress, seasonal changes (especially autumn and winter), lack of sleep, hormonal fluctuations and certain medicines (such as systemic corticosteroids). Keeping a simple symptom diary helps, as people often identify individual triggers (diet, cosmetics, sun) that they can then deliberately avoid. Long symptom-free periods are part of its normal course.

Do natural products help with seborrhoea?
Yes, in a supportive, complementary role. Some natural ingredients have genuine clinical evidence: 5% tea tree oil reduced seborrhoea symptoms in 41% of participants in an RCT (Satchell et al., 2002), while zinc has decades of data behind it. For mild to moderate seborrhoea, natural formulas may be sufficient on their own. For severe symptoms, we combine natural cosmetics with medical care as a complement, not an alternative.

When should I see a dermatologist?
We recommend a consultation if symptoms spread rapidly to new areas, if bleeding patches or clear signs of secondary infection appear (yellow pus, significant pain, fever), if the condition does not improve after 6 to 8 weeks of consistent care, or if symptoms affect your quality of life (sleep, mental wellbeing, confidence in social situations). A dermatologist can prescribe topical antifungals (such as ketoconazole) or short courses of topical corticosteroids, which cosmetics cannot replace.

Can I wear make-up with seborrhoea?
Yes, with two adjustments. First, choose non-comedogenic, hypoallergenic formulas without strong fragrances and with a low mineral oil content, as these oils may encourage Malassezia growth. Second, thorough but gentle make-up removal in the evening is essential, as make-up residue combined with overnight sebum provides an ideal basis for inflammation. Mineral make-up containing zinc oxide may even be supportive. Many customers with mild seborrhoea regularly wear make-up without problems.

Conclusion
Seborrhoea is a chronic but manageable condition. It is not a punishment for bad habits, it is not contagious and it is not something you need to hide. If you understand its mechanism (Malassezia, sebum, the barrier, stress), know which active ingredients are worth considering (zinc, niacinamide, azelaic acid) and know what to avoid (aggressive oil stripping), calmer skin is closer than it may seem. At Dulcia, we formulate with respect for the barrier: with seborrhoea, this is a necessity, not just a principle. Give your skin gentle care, a targeted active ingredient and patience. Every box from us contains our thoughts, the work of our hands and our heart.

Sources
Borda LJ, Wikramanayake TC. “Seborrheic Dermatitis and Dandruff: A Comprehensive Review.” Journal of Clinical and Investigative Dermatology 2015; 3(2):10. PMID: 27148560.
Dessinioti C, Katsambas A. “Seborrheic dermatitis: etiology, risk factors, and treatments — facts and controversies.” Clinics in Dermatology 2013; 31(4):343–51. PMID: 23806151.
Sanders MGH, Pardo LM, Ginger RS, Kiefte-de Jong JC, Nijsten T. “Epidemiology and dermatological comorbidity of seborrhoeic dermatitis: population-based study in 161,269 employees.” British Journal of Dermatology 2019; 181(5):960–966. PMID: 30802934.
Tucker D, Masood S. “Seborrheic Dermatitis.” StatPearls (updated 2024). NCBI Bookshelf NBK551707.
Pierard-Franchimont C, Goffin V, Decroix J, Pierard GE. “A multicenter randomized trial of ketoconazole 2% and zinc pyrithione 1% shampoos in severe dandruff and seborrheic dermatitis.” Skin Pharmacology and Applied Skin Physiology 2002; 15(6):434–41. PMID: 12476017.
Schwartz JR. “Zinc Pyrithione: A Topical Antimicrobial With Complex Pharmaceutics.” Journal of Drugs in Dermatology 2016; 15(2):140–4. PMID: 26885781.
Sieber MA, Hegel JK. “Azelaic Acid: Properties and Mode of Action.” Skin Pharmacology and Physiology 2014; 27 Suppl 1:9–17. PMID: 24280644.
Schulte BC, Wu W, Rosen T. “Azelaic Acid: Evidence-based Update on Mechanism of Action and Clinical Application.” Journal of Drugs in Dermatology 2015; 14(9):964–8. PMID: 26355614.
Draelos ZD, Matsubara A, Smiles K. “The effect of 2% niacinamide on facial sebum production.” Journal of Cosmetic and Laser Therapy 2006; 8(2):96–101. PMID: 16766489.
Satchell AC, Saurajen A, Bell C, Barnetson RS. “Treatment of dandruff with 5% tea tree oil shampoo.” Journal of the American Academy of Dermatology 2002; 47(6):852–5. PMID: 12451368.
Rousel J, Nădăban A, Saghari M, et al. “Lesional skin of seborrheic dermatitis patients is characterized by skin barrier dysfunction and correlating alterations in the stratum corneum ceramide composition.” Experimental Dermatology 2024; 33(1):e14952. PMID: 37974545.
Schwartz JR, Messenger AG, Tosti A, et al. “A Comprehensive Pathophysiology of Dandruff and Seborrheic Dermatitis: Towards a More Precise Definition of Scalp Health.” Acta Dermato-Venereologica 2013; 93(2):131–7. PMID: 22875203.
Misery L, Touboul S, Vinçot C, et al. “Stress et dermatite séborrhéique.” Annales de Dermatologie et de Vénéréologie 2007; 134(11):833–7. PMID: 18033062.
Tao R, Li R, Wang R. “Skin microbiome alterations in seborrheic dermatitis and dandruff: A systematic review.” Experimental Dermatology 2021; 30(10):1546–1553. PMID: 34021644.
Ge Y, Zhu X, Wang X, et al. “A Cohort Clinical Study on the Efficacy of Topical Salicylic Acid/Piroctone Olamine Dandruff Pre-Gel and Cleanser in Improving Symptoms of Moderate to Severe Seborrheic Dermatitis of the Scalp.” Journal of Cosmetic Dermatology 2025; 24(2):e16742. PMC11705510.