Traditional Chinese Medicine for Eczema and Psoriasis: Traditional Patterns, Modern Evidence and Safety
Traditional practice and modern evidence
Traditional Chinese Medicine has described itchy, inflamed and scaly skin for centuries using its own pattern language, while modern dermatology defines eczema and psoriasis through separate biomedical diagnoses. The two frameworks can be discussed together without treating traditional terms such as Wind, Dampness or Heat as literal names for cytokines or specific diseases. Modern clinical studies now give us a second lens for evaluating Chinese herbal preparations.
How does TCM traditionally describe eczema and psoriasis?
TCM does not start from the same diagnostic system as modern dermatology. Practitioners traditionally classify a person's presentation using observable patterns and a broader set of concepts that may include Wind, Heat, Dampness, Blood Heat, Blood Dryness or deficiency patterns.
| Traditional TCM term | Traditional description | Important modern interpretation |
|---|---|---|
| Wind | Often associated in traditional texts with itching, movement or rapidly changing symptoms | A historical pattern concept, not a synonym for histamine or one nerve pathway |
| Heat | Traditionally associated with redness, warmth and more active inflammation-like appearances | Not the same thing as a measured cytokine profile or infection |
| Dampness | Traditionally used for moist, weeping, heavy or exudative patterns | Not a biomedical diagnosis of moisture damage, fungus or edema |
| Blood Heat or Blood Dryness | Traditional categories used in chronic red, scaly or dry presentations | Not a laboratory statement about blood temperature or blood chemistry |
These concepts are useful for understanding how formulas were historically selected within TCM. Modern studies, by contrast, can measure outcomes such as EASI, SCORAD, PASI, itch scores, inflammatory mediators or adverse events. One framework should not be used as a direct translation of the other.
What does the clinical evidence show for eczema?
Atopic dermatitis is a chronic inflammatory skin disease involving barrier dysfunction, immune signaling and itch. In standard dermatology, moisturizers and targeted anti-inflammatory treatments are central. The American Academy of Dermatology strongly recommends moisturizers, topical corticosteroids, topical calcineurin inhibitors and several newer nonsteroid topicals for adults with atopic dermatitis. AAD atopic dermatitis guideline
Chinese herbal medicine has also been studied clinically. A 2023 systematic review and meta-analysis included 20 randomized controlled trials of topical Chinese herbal medicine for atopic dermatitis. Pooled results favored topical CHM over active or placebo controls for symptom-score change, although statistical heterogeneity was present. PMID 37328084
An earlier 2014 meta-analysis of 10 trials involving 1,058 participants also found favorable results for some outcomes, but the authors emphasized high risk of bias and concluded that superiority over control interventions was not conclusive. PMID 24821063
A newer systematic review and meta-analysis covering herbal medicine in children and adults with atopic dermatitis was published in 2025, reflecting continuing research interest across topical and systemic herbal interventions. PMID 38963342
What this means: topical herbal medicine for eczema is not one single treatment. Some preparations have randomized human evidence, but the formula studied, comparator, population and trial quality determine how much weight to give each result.
What does the evidence show for psoriasis?
Psoriasis is biologically different from eczema. It is an immune-mediated disease characterized by accelerated keratinocyte turnover and well-defined inflammatory pathways. It should therefore not be assumed that a preparation studied for eczema will perform the same way in psoriasis.
A systematic review of topical herbal formulae in psoriasis identified nine clinical studies and reported pooled improvements in several clinical outcomes compared with placebo or anti-psoriatic pharmacotherapy in the included trials. Sophora flavescens was among the commonly used herbs. PMID 23817996
More recently, a 2024 systematic review of Chinese herbal medicine bath therapy included 17 randomized trials with 1,379 participants. The authors reported comparable short-term effects to topical calcipotriol for several outcomes and additional benefit in some combined-treatment comparisons, while also assessing evidence certainty using GRADE. PMID 38621466
A 2025 systematic review of randomized trials likewise examined herbal medicine for psoriasis, showing that this remains an active research area rather than a topic supported only by historical use. PMID 40210174
Which Chinese herbs have modern skin research?
Sophorae Flavescentis Radix, or Ku Shen
Ku Shen appears frequently in traditional skin formulas. A 2024 laboratory study found that selected Sophora flavescens extracts and compounds suppressed inflammatory mediators in stimulated human keratinocytes, including IL-6, IL-8 and CXCL1, with effects involving ERK, p38, AP-1 and NF-kB signaling. PMID 38358770
This modern pharmacology gives scientific context to a historically important herb without requiring traditional "Heat-clearing" language to be redefined as one molecular pathway.
Cnidii Fructus, or She Chuang Zi
Research on osthole, a constituent associated with Cnidium monnieri, found reduced scratching behavior in experimental models and identified TRPV3-related sensory activity. PMID 30108138
Separate laboratory research on Cnidium monnieri also reported antifungal activity against Trichophyton rubrum. PMC8417377
Why formulation matters
An herb name alone does not tell you concentration, extraction method, vehicle, stability or skin penetration. A water extract, alcohol extract, isolated constituent, bath preparation, ointment and multi-herb cream can produce different exposures. This is why high-quality discussion should name the actual preparation studied whenever possible.
TCM and modern dermatology do not need to be framed as opposites
A common but unhelpful comparison says Western medicine only suppresses symptoms while TCM treats the "root cause." That is too simplistic. Modern dermatology addresses skin barrier dysfunction, inflammatory pathways, infection, triggers and long-term disease control using treatments chosen for the diagnosis and severity. TCM uses a separate traditional framework to individualize herbal, topical, dietary and other practices.
| Question | Modern dermatology | TCM perspective |
|---|---|---|
| How is the condition classified? | Defined diagnoses such as atopic dermatitis or psoriasis | Traditional pattern differentiation |
| How is response measured? | Validated severity scores, itch, quality of life, lesion clearance, adverse events | Traditional signs plus patient response, with modern trials increasingly using standard scores |
| What can be used topically? | Moisturizers, corticosteroids, calcineurin inhibitors and other approved agents | Herbal washes, ointments, creams and other preparations depending on tradition and practitioner |
| Can approaches coexist? | They can be discussed or used in an integrative plan when ingredients, interactions, diagnosis and treatment goals are clear. | |
For people who use both systems, the safest approach is coordination rather than assuming that "natural" and "medical" care are mutually exclusive.
What should you check before using Chinese herbal products?
- Know the full ingredient list. Multi-herb formulas should be transparent enough to identify possible allergens and active components.
- Distinguish topical from oral use. Safety considerations can differ substantially because oral herbs create systemic exposure.
- Check the quality source. Manufacturing controls, contamination testing and clear labeling matter.
- Do not use traditional pattern language as a substitute for diagnosis. Fungal infection, bacterial infection, contact dermatitis, eczema and psoriasis can require different management.
- Be cautious with severe or changing disease. Extensive psoriasis, infected eczema, widespread blistering, rapidly spreading redness or systemic symptoms merit medical evaluation.
Where QICAOGANGMU fits
QICAOGANGMU uses several ingredients with established traditional skin-use histories, including Sophorae Flavescentis Radix, Cnidii Fructus and Stemonae Radix. Modern research on Sophora and Cnidium provides a separate pharmacological context, while the formula itself also includes glycerin, petrolatum, borneol and menthol. This makes it useful to describe the product through both its traditional ingredient background and the specific modern evidence available for those ingredients.
Frequently asked questions
Does TCM "Heat" mean skin inflammation?
Not literally. Red, warm or active-looking skin may historically be described with Heat-related terminology, but TCM Heat is a traditional pattern concept rather than a biomedical measurement of inflammation.
Is Chinese herbal medicine clinically studied for eczema?
Yes. Randomized trials and meta-analyses exist, particularly for topical Chinese herbal preparations. The results are encouraging for some formulas, but study quality and formulation differ substantially.
Is the same TCM formula appropriate for eczema and psoriasis?
Not automatically. They are different diseases in modern dermatology, and traditional TCM practice also uses pattern differentiation rather than treating every skin condition with one fixed formula.
Can herbs replace prescription treatment during a severe flare?
A severe flare, extensive disease, suspected infection or rapidly worsening symptoms should be evaluated according to the underlying diagnosis. Herbal products are best considered on the basis of their own evidence and role rather than as a reason to delay needed treatment.
Related articles
References
- American Academy of Dermatology. Atopic dermatitis clinical guideline.
- Topical Chinese herbal medicine for atopic dermatitis, systematic review and meta-analysis. PMID 37328084.
- Topical CHM for atopic eczema, systematic review and meta-analysis. PMID 24821063.
- Herbal medicine in children and adults with atopic dermatitis. PMID 38963342.
- Topical herbal formulae in psoriasis. PMID 23817996.
- Chinese herbal medicine bath therapy for psoriasis vulgaris. PMID 38621466.
- Herbal medicine for treating psoriasis, systematic review. PMID 40210174.
- Sophora flavescens inflammatory skin research. PMID 38358770.
- Osthole and TRPV3-related itch research. PMID 30108138.