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Moumoujus

ARABINOXYLAN.

Valuable CAS 9040-27-1 / FILM FORMING

A sophisticated cereal-derived polysaccharide that provides a dual-action approach to skin health by reinforcing the moisture barrier and modulating pigment production. Its unique molecular structure, often featuring ferulic acid side chains, allows it to function as both a high-performance antioxidant and a structural stabilizer for delicate formulations.

Summary

Antioxidant Skin conditioning Viscosity controlling Emulsion stabilizing Tyrosinase inhibitor

Science

Mechanism of Action

Arabinoxylan operates through a multi-pathway biological approach. It creates a breathable, hydrating film on the stratum corneum to curb transepidermal water loss (TEWL) while its phenolic components neutralize oxidative stress. On a cellular level, it inhibits tyrosinase activity to regulate melanogenesis and suppresses matrix-degrading enzymes like collagenase and elastase, thereby preserving the skin's structural proteins.

Research

Clinical Evidence

High confidence
Effective range 0.1–5%
Optimal

3%

Key findings

  1. 01 A 3% concentration demonstrated significant inhibition of the melanogenesis process, effectively suppressing tyrosinase to achieve visible brightening effects (Patent WO2011157968A1).
  2. 02 Concentrations between 1-5% from wheat bran extracts were shown to inhibit degradative enzymes (collagenase/elastase), improving overall skin smoothness and hydration (MDPI 2024).
  3. 03 At low levels (0.1-0.5%), it serves as an interfacial antioxidant, significantly reducing peroxide values and enhancing the oxidative stability of emulsions (ResearchGate 2022).

Transparency

Dusting Analysis

Commonly dusted
Min. effective
1%
Red flag below
0.5%

While arabinoxylan provides emulsion stability at very low levels (0.1%), therapeutic benefits for brightening and anti-aging require concentrations between 1% and 3%. Formulations claiming 'brightening' or 'pro-collagen' benefits that list it below 1% are likely 'dusting' the ingredient for marketing purposes.

The Formula

Formulation

Solubility
Water
Optimal pH 2 – 8
0 7 14

Stability

Exhibits excellent thermal stability and remains resilient against electrolyte interference when cross-linked. It improves emulsion integrity by adsorbing onto oil droplets to create a protective interfacial barrier.

Synergies

  • Ferulic Acid
  • Vitamin C (L-Ascorbic Acid)
  • Hyaluronic Acid
  • Sunscreen Filters

Conflicts

  • Xylanase enzymes
  • High protein concentrations (ratios exceeding 1:4)
  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Max tested
10%
Pregnancy
Safe
Sensitization risk Low

Reviewed by the CIR Expert Panel in 2015 and categorized within the safe 'Polysaccharide Gums' group. It holds FDA GRAS status for food use, emphasizing its high biocompatibility.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

An exceptionally versatile polysaccharide that bridges the gap between textural enhancement and clinical brightening efficacy.

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