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METHYLAMIDO CELLULOSE GUM.

Valuable CAS - / FILM FORMING, HUMECTANT, SKIN CONDITIONING

Methylamido Cellulose Gum, often recognized as Cellulose Gum (CMC), is a versatile polysaccharide derivative. It effectively forms a protective film on the skin while serving as a humectant and skin conditioning agent, thereby enhancing hydration and improving overall skin texture.

Summary

Emulsion Stabilizer Thickener Film Forming Humectant Skin Conditioning

Science

Mechanism of Action

Upon application, Methylamido Cellulose Gum establishes a continuous, breathable film on the skin's surface. This film acts to significantly reduce transepidermal water loss (TEWL), effectively locking in moisture, which results in prolonged hydration, improved skin plumpness, and enhanced suppleness. Beyond its direct hydrating benefits, it functions as a crucial texture enhancer in cosmetic formulations, optimizing viscosity, promoting smooth and creamy consistencies, and facilitating the uniform dispersion and spreadability of other ingredients without imparting a greasy sensation.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH ≥4
0 7 14

Stability

This ingredient is water-soluble, readily dissolving in both hot and cold water to form viscous solutions. Stability is compromised below pH 4.0, where polymer breakage and viscosity reduction can occur, particularly with concentrated acid addition. While generally stable across a wide pH range above 4.0, its viscosity may reversibly decrease at elevated temperatures. Fine particle sizes are recommended for rapid hydration, whereas coarser materials facilitate slower hydration and improved dispersion with less shear.

Conflicts

  • Strong oxidizing agents
  • Concentrated acids
  • High concentrations of salts

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed Cellulose Gum and related cellulose derivatives, concluding their safety under current cosmetic use practices. Clinical studies on cellulose derivatives, even at concentrations up to 100%, consistently demonstrated them to be non-irritating to mildly irritating, non-sensitizing, and non-photosensitizing. The FDA recognizes cellulose gum as Generally Recognized As Safe (GRAS) for use in food and pharmaceuticals. The SCCS has not issued a specific opinion on 'METHYLAMIDO CELLULOSE GUM' or 'Cellulose Gum'.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Methylamido Cellulose Gum is a valuable multi-functional ingredient, enhancing skin hydration through its film-forming and humectant properties while significantly improving cosmetic formulation texture, stability, and spreadability.

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