Natural Remedies for Eczema: The Evidence-Based Guide
Eczema (atopic dermatitis) is a chronic inflammatory skin condition affecting 15-20% of children and 1-3% of adults globally. It involves a defective skin barrier, immune dysregulation (Th2 dominant), and often gut microbiome disruption. Natural interventions targeting these mechanisms have meaningful clinical evidence.
The skin barrier -- the root issue
The fundamental defect in atopic dermatitis is a compromised skin barrier -- primarily caused by mutations or insufficiency of the protein filaggrin, which cross-links keratin fibres to form the impermeable barrier of healthy skin. Without an intact filaggrin barrier, the skin loses water (transepidermal water loss, TEWL), becomes dry and cracked, and allows allergens, irritants and microbes to penetrate the epidermis and trigger immune responses. This is why moisturisation is the cornerstone of eczema management -- it mechanically replaces the missing barrier function. The best moisturisers for eczema are emollients with ceramide content (which directly replaces the ceramides depleted in eczematous skin) rather than simple petroleum jelly or aqueous cream.
Probiotics for eczema prevention and treatment
The gut microbiome dysbiosis associated with eczema begins before birth. Multiple meta-analyses confirm that prenatal and early postnatal probiotic supplementation (particularly Lactobacillus rhamnosus GG) significantly reduces eczema incidence in high-risk infants by 30-50%. For established eczema, the evidence is more mixed but several trials show probiotic supplementation reduces severity scores. Mechanisms: probiotics modulate gut immune responses from Th2-dominant (allergy-prone) toward Th1/T-regulatory balance, reduce intestinal permeability, and reduce systemic inflammatory mediators. Best-evidenced strains for eczema: Lactobacillus rhamnosus GG, Lactobacillus rhamnosus HN001, Bifidobacterium lactis.
Vitamin D
Vitamin D deficiency is significantly more prevalent in eczema patients than in the general population. Vitamin D directly regulates skin barrier gene expression (including filaggrin) and modulates the immune dysregulation of eczema. Multiple RCTs find vitamin D supplementation (1,000-4,000 IU daily) significantly reduces eczema severity scores. A 2016 systematic review confirmed the association and benefit. Eczema patients should test serum 25-OHD and target 40-60 ng/mL.
Evening primrose oil and borage oil
Evening primrose oil (EPO) and borage oil are rich in gamma-linolenic acid (GLA) -- an omega-6 fatty acid that is a precursor to anti-inflammatory prostaglandins. Eczema patients have impaired delta-6-desaturase enzyme activity, reducing their ability to convert linoleic acid to GLA. Supplementing GLA directly bypasses this enzyme deficiency. Evidence is mixed but several RCTs find EPO or borage oil supplementation (4-8g daily of EPO or 1-3g of borage oil) reduces eczema severity, particularly itch and dryness. Improvement typically takes 4-6 months.
Trigger identification and elimination
The most impactful management strategy for many eczema patients is systematic trigger identification and avoidance. Common triggers: certain fabrics (wool, synthetic fibres), fragrance in personal care products (the most common allergen in eczema), house dust mite (bedroom mattress and pillow encasements are highly effective), pet dander, heat and sweat, certain foods (particularly in children -- egg, milk, wheat, soy, peanut account for 90% of food-triggered eczema). An elimination and reintroduction protocol under guidance of an allergist/dietitian is the most rigorous approach to food triggers.
Skin Health and Wellness Travel
Affiliate links • Remedy Healer earns a small commission at no extra cost to you
Related Guides
Frequently Asked Questions
What is the best natural treatment for eczema?
Barrier repair with ceramide-rich emollients applied immediately after bathing (to lock in moisture) is the most consistently evidence-backed intervention. Beyond this: vitamin D supplementation if deficient (strongly associated with eczema severity), probiotics (particularly Lactobacillus rhamnosus GG -- best evidence for prevention), trigger identification and elimination, and dietary omega-3 supplementation for anti-inflammatory benefit.
Does diet affect eczema?
In children, food triggers are common -- egg, milk, wheat, soy and peanut account for the majority of food-triggered eczema. In adults, dietary triggers are less common but still relevant in some individuals. An anti-inflammatory diet (Mediterranean pattern, omega-3 rich) reduces systemic inflammation that drives eczema. Vitamin D from diet and sun exposure directly regulates filaggrin expression and skin barrier genes.
Do probiotics help eczema?
Prenatal and early postnatal probiotic supplementation (Lactobacillus rhamnosus GG, Bifidobacterium lactis) reduces eczema incidence in high-risk infants by 30-50% in meta-analyses -- one of the strongest preventive interventions available. For established eczema in children and adults, the evidence is more mixed but several trials show reduced severity scores. The gut microbiome modulation mechanism is well-established.
Educational content only. Not medical advice. Consult a qualified healthcare professional before starting any new wellness protocol.
Recommended Wellness Programs
WELLNESSNerve Fresh Support →GUTGut Go Digestive Support →CALMHealthy Minded Calm Reset →Sponsored — we may earn a commission at no extra cost to you.