Science
Mechanism of Action
This extract functions through multiple scientifically recognized pathways: its mucilages, anthocyanosides, and tannins collectively reduce inflammation, thereby calming redness and irritation. Mucilages and polysaccharides form a protective, hydrating barrier on the skin's surface, effectively preventing transepidermal water loss. Anthocyanosides and vitamins (A, C, E) provide antioxidant defense, neutralizing free radicals and mitigating oxidative stress responsible for premature aging. A key action is its ability to inhibit Human Neutrophil Elastase (HNE), an enzyme that degrades elastin, thus protecting skin elasticity. Additionally, it promotes cellular renewal, facilitates gentle exfoliation through tannins, and enhances wound healing by improving connective tissue formation and re-epithelization.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 Inhibits Human Neutrophil Elastase (HME) activity, protecting elastin fibers.
- 02 Promotes cutaneous wound healing and reduces inflammation.
- 03 Alleviates symptoms of atopic dermatitis.
Transparency
Dusting Analysis
While the CIR Expert Panel deemed Malva sylvestris-derived ingredients safe as used, the highest reported cosmetic use concentration for a related ingredient, Malva Sylvestris (Mallow) Flower Extract, is 0.1% in certain product categories. In contrast, clinical studies on Malva sylvestris extracts demonstrate significant efficacy for promoting elastin protection (0.6% to 5% for HME inhibition) and wound healing (1% aqueous extract). This notable gap between typical cosmetic concentrations and clinically proven effective levels suggests that Malva Sylvestris Callus Extract may be commonly underdosed in formulations, potentially limiting its full therapeutic potential.
The Formula
Formulation
Stability
Optimal pH for stability generally falls within the range of 4.5 to 7.0. This ingredient is water-soluble and can be readily integrated into the water-phase of formulations, including those utilizing cold-processing methods. Its exact composition and stability may vary based on specific extraction methods.
Safety
Safety Profile
The CIR Expert Panel concluded that Malva sylvestris-derived ingredients are safe in cosmetics when formulated to be non-sensitizing. The highest reported maximum concentration of use for Malva Sylvestris (Mallow) Flower Extract was 0.1% in non-spray body and hand products. Extensive Human Repeat Insult Patch Tests (HRIPTs) have shown Malva sylvestris extracts to be non-irritating and non-sensitizing at concentrations up to 10% (for flower extract) and 0.0125% (for flower/leaf/stem extract). It is also non-phototoxic and non-photosensitizing up to 10%. Although generally well-tolerated, rare allergic reactions are possible.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Malva Sylvestris Callus Extract is a valuable ingredient, offering significant anti-inflammatory, hydrating, and elastin-protective benefits across all skin types, though formulations should aim for clinically efficacious concentrations which may exceed typical cosmetic usage levels.
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