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Moumoujus

EQUISETUM ARVENSE LEAF POWDER.

Valuable CAS 71011-23-9 / SKIN CONDITIONING

Equisetum Arvense Leaf Powder, derived from horsetail, is a multi-functional ingredient known for its wound-healing properties and ability to support skin structure. Rich in silica, it promotes collagen synthesis, enhancing skin elasticity and firmness while providing antioxidant and anti-inflammatory benefits.

Summary

Skin conditioning Supports collagen synthesis Improves skin elasticity Provides antioxidant protection Offers anti-inflammatory effects Soothes irritation Reduces edema Enhances hydration Refines skin texture Acts as an astringent Exhibits mild antiseptic properties Exhibits mild antimicrobial properties Promotes micro-circulation Accelerates cellular renewal Aids in detoxification Assists in wound healing

Science

Mechanism of Action

This ingredient works by leveraging its high silica content to bolster collagen synthesis and strengthen connective tissues, leading to improved skin elasticity and firmness. Its antioxidant compounds combat free radicals and offer protection against environmental stressors. Anti-inflammatory properties soothe irritated skin, reduce swelling, and mitigate structural damage. Additionally, it moisturizes, refines skin texture, and, through tannins, provides an astringent effect that can visibly tighten pores. Mild antiseptic and antimicrobial actions make it potentially beneficial for acne-prone skin, while its ability to protect micro-vessels and stimulate blood flow supports accelerated cellular renewal and skin detoxification.

Research

Clinical Evidence

Medium confidence
Effective range 3–10%
Optimal

N/A

Key findings

  1. 01 An ointment containing 3% horsetail extract significantly promoted wound healing, reduced pain, and improved redness, swelling, and discharge in postpartum women post-episiotomy.
  2. 02 Rat studies using ointments with 5% horsetail extract demonstrated a 95-99% wound closure ratio and enhanced skin regeneration.
  3. 03 Rat studies with ointments containing 10% horsetail extract also showed a 95-99% wound closure ratio and superior skin regeneration.

Transparency

Dusting Analysis

Not commonly dusted

Equisetum Arvense Leaf Powder itself was not reported in cosmetic use in a 2019 concentration survey. However, Equisetum Arvense Extract, a related derivative, has reported maximum use concentrations of up to 0.4% in leave-on products. This concentration is substantially lower than the 3-10% range shown to be effective in clinical studies for wound healing, suggesting that the extract form may often be included at sub-efficacious levels for label appeal if used for those benefits.

The Formula

Formulation

Solubility
Water
Optimal pH 5.5 – 7
0 7 14

Stability

Formulators are advised to evaluate stability carefully to prevent the degradation of active compounds and ensure product efficacy.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Expert Panel for Cosmetic Ingredient Safety (CIR) deemed Equisetum Arvense Leaf Powder, along with other Equisetum arvense derivatives, safe for cosmetic use at current practices and concentrations. However, in a 2019 survey, this specific powder form was not reported in cosmetic products. For Equisetum Arvense Extract, maximum reported concentrations were 0.4% in leave-on and 0.00078% in rinse-off products. It is generally considered non-toxic and non-comedogenic, with a low risk of irritation, making it suitable for most skin types. While rare, mild irritation or allergic reactions can occur, therefore a patch test is recommended.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Equisetum Arvense Leaf Powder is a valuable multi-functional ingredient offering significant benefits for skin elasticity, firmness, and wound healing, making it suitable for a wide range of skin types, including sensitive skin.

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