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Moumoujus

EQUISETUM ARVENSE LEAF EXTRACT.

Valuable CAS 71011-23-9 / ASTRINGENT, SKIN CONDITIONING - EMOLLIENT, SOOTHING, TONIC

Equisetum Arvense Leaf Extract, derived from Horsetail, is a botanical powerhouse rich in silica, a key component for skin health. It is valued for its multifaceted action, including promoting collagen synthesis, providing antioxidant defense, and offering soothing and antimicrobial benefits to support skin regeneration and vitality.

Summary

astringent emollient soothing tonic collagen boosting antioxidant anti-inflammatory wound healing antimicrobial moisturizing firming UV absorption

Science

Mechanism of Action

This extract primarily functions through its high silicic acid content, which stimulates collagen production, thereby enhancing skin elasticity, firmness, and reducing the appearance of fine lines. Its robust antioxidant properties neutralize free radicals, safeguarding skin from environmental damage and supporting a youthful complexion. Furthermore, it exerts anti-inflammatory effects and aids in wound healing, making it beneficial for compromised skin conditions. The extract also acts as an astringent, helping to refine pore appearance, while providing mild moisturizing and antimicrobial protection, particularly against gram-positive bacteria. Beyond these, it improves microcirculation and connective tissue regeneration, contributing to overall skin smoothness and resilience, and is noted for its ability to absorb UV radiation.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Induces cytotoxicity and decreases cell viability in A549 lung carcinoma cells, indicative of apoptosis induction.
  2. 02 Exhibited antimicrobial activity comparable to positive controls against certain bacterial strains.
  3. 03 At low concentrations, it exhibited an antioxidant effect and diminished caspase-8 activity in endothelial vascular cells. Higher doses, however, were prooxidant and induced apoptosis.

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.4%

Equisetum Arvense Leaf Extract is primarily incorporated into formulations for its active benefits rather than as a filler, with the Cosmetic Ingredient Review (CIR) Expert Panel supporting its safe use at concentrations up to 0.4% in leave-on products.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 7
0 7 14

Stability

The extract is soluble in water and possesses natural emulsifying properties due to components like saponins and glycosides, which can contribute to stabilizing oil and water phases in formulations. Optimal pH for stability is generally reported between 4.0 and 7.0.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
0.4%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Equisetum arvense-derived ingredients, including the leaf extract, are safe in cosmetics within current practices of use and concentration, with a maximum reported use concentration of 0.4% in leave-on body and hand products. The European Commission's CosIng database and FDA VCRP data further support its general cosmetic usability. While generally considered safe for topical use, a patch test is recommended for individuals with sensitive skin, as rare cases of mild irritation or allergic reactions have been reported, potentially due to its silicic acid content.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
No Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Equisetum Arvense Leaf Extract is a valuable botanical ingredient, offering comprehensive benefits including collagen support, antioxidant protection, and soothing properties for enhanced skin vitality and resilience.

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