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CARBOXYMETHYL CHITOSAN MYRISTAMIDE.

Valuable CAS - / HUMECTANT

An advanced, amphiphilic biopolymer that functions as both a high-performance delivery vehicle and a superior film-forming humectant. It represents a precision-engineered derivative of chitosan, modified with myristic acid to bridge the gap between oil and water phases in surfactant-free formulations.

Humectant Bio-delivery enhancer Film former Emulsifying agent Viscosity controller

Science

This polymer self-assembles into stable polymeric micelles that encapsulate hydrophobic active ingredients, significantly enhancing their penetration through the stratum corneum. Simultaneously, it creates a breathable 'moisture veil' on the skin surface that prevents transepidermal water loss (TEWL) with an efficacy profile reported to be double that of standard hyaluronic acid.


Research

High confidence
Effective range 0.2–1%
Optimal

0.2%

Key findings

  1. 01 Demonstrated a 300% increase in the epidermal delivery of Glabridin compared to standard O/W micellar systems.
  2. 02 Proven to maintain emulsion stability and optimal viscosity at 1.0% concentration without the need for traditional surfactants.
  3. 03 Confirmed to inhibit melanogenesis without triggering inflammatory markers like IL-1α.

Transparency

Not commonly dusted
Min. effective
0.2%
Red flag below
0.05%

While often used at low concentrations due to its high efficiency, levels below 0.1% may fail to provide the characteristic delivery-enhancing and film-forming benefits.


The Formula

Solubility
Both
Optimal pH 6 – 10
0 7 14

Stability

Highly stable in the presence of anionic polymers such as Carbomer and Hyaluronic Acid, forming clear, elegant gels.

Synergies

  • Glabridin
  • Hyaluronic Acid
  • Hydrophobic antioxidants
  • Lipophilic vitamins

Conflicts

  • Strongly acidic environments (pH below 5.0) which may trigger polymer aggregation

Safety

CIR Status
Not reviewed
Pregnancy
Safe
Sensitization risk Low

Bio-compatible and non-cytotoxic; its parent compound, Chitosan, is widely recognized as safe for topical and medical applications.


Your Skin

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

Our Assessment

Valuable

A high-tech, biocompatible multitasker that excels at driving active ingredients deeper into the skin while providing superior, long-lasting hydration.


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