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Moumoujus

CELLULOSE SUCCINATE.

Valuable / HUMECTANT, OPACIFYING, SKIN CONDITIONING

Cellulose succinate is a versatile cellulose derivative that effectively moisturizes skin by forming a hydrating film, contributing to a smooth and soft complexion. Beyond its direct skin benefits, it functions as a critical formulation enhancer, improving product texture, stability, and sensory attributes across various cosmetic applications.

Summary

Moisturizer Film Former Thickener Stabilizer Emulsifier Texturizer Humectant Sensory Enhancer Flow Enhancer Anti-caking Agent

Science

Mechanism of Action

On the skin, cellulose succinate operates as a film-forming agent, creating a breathable barrier that helps to minimize moisture evaporation and regulate skin hydration levels, similar to the skin's natural moisturizing factors. This action supports the maintenance of skin softness and smoothness. Within formulations, it acts as a thickener, stabilizer, and emulsifier, vital for achieving desired product consistency and aesthetic. The succinate moiety itself is recognized in broader biological contexts for its role as a metabolic intermediate and a potential signaling molecule.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH ≥4.5
0 7 14

Stability

Solubility for cellulose succinate is pH-dependent, generally observed in solutions with a pH greater than 4.5. While excellent stability is noted under neutral pH conditions (pH 6 to 8), it remains stable in acidic environments (pH 3 to 6); however, prolonged exposure to harsh acidic conditions may lead to hydrolysis.

Conflicts

  • Active pharmaceutical ingredients (APIs) containing hydroxyl groups may exhibit incompatibility under harsh processing conditions (e.g., heating at 140°C), potentially leading to ester bond formation due to the generation of succinic and acetic acids from hydrolysis.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
100%
Sensitization risk Low

The CIR Expert Panel has determined Cellulose Succinate to be safe for use in cosmetic ingredients, even at concentrations up to 100%. Dermal and ocular studies indicate it is minimally irritating to eyes, non-irritating to slightly irritating to the skin, and has shown no sensitizing or photosensitizing effects. Its use is permissible in the European Union under general cosmetic safety regulations.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Cellulose Succinate is a valuable, safe, and highly compatible ingredient that supports skin hydration and significantly enhances the textural and stability profile of cosmetic formulations across all skin types.

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