Science
Mechanism of Action
This ingredient operates by enhancing the structural integrity and sensory experience of cosmetic products. As a water-soluble polyanionic carbohydrate polymer, it stabilizes emulsions, ensuring product homogeneity, and precisely controls viscosity to achieve desired textures. On the skin, it can form a subtle film that helps to maintain hydration by reducing transepidermal water loss.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
Sodium Cellulose Sulfate serves as a fundamental formulation agent, primarily contributing to product texture and stability rather than delivering direct active skin benefits. Consequently, the concept of 'dusting' for marketing purposes does not apply to this excipient.
The Formula
Formulation
Stability
Specific stability data for Sodium Cellulose Sulfate is not extensively detailed. However, the solubility of cellulose derivatives generally exhibits pH dependency, tending to increase at higher pH levels. Concentrated sodium hydroxide solutions can dissolve cellulose, but within a precise, narrow concentration range.
Safety
Safety Profile
The CIR Expert Panel has confirmed Sodium Cellulose Sulfate as safe for use in cosmetic applications, specifically noting its safety 'as used'. Comprehensive dermal irritation studies, even at concentrations up to 100%, consistently demonstrated nonirritating to mildly irritating responses. Furthermore, clinical evaluations concluded it is neither sensitizing nor photosensitizing, indicating a minimal risk for adverse skin reactions.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Sodium Cellulose Sulfate is a highly valuable and extensively safe excipient that significantly enhances the texture, stability, and film-forming attributes of diverse cosmetic and skincare formulations.
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References
Sources