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LAURETH-13 PG-HYDROXYETHYLCELLULOSE.

Valuable CAS 312601-97-1 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

LAURETH-13 PG-HYDROXYETHYLCELLULOSE is a multifunctional polymer derived from Hydroxyethylcellulose, primarily functioning as a surfactant to create stable emulsions and provide gentle cleansing. It concurrently enhances product texture, viscosity, and stability, while offering film-forming properties that improve skin moisturization and feel.

Summary

Surfactant Emulsifying Agent Cleansing Agent Thickening Agent Rheology Modifier Emulsion Stabilizer Film-Forming Agent Viscosity Control Moisturizing Skin Conditioning

Science

Mechanism of Action

This ingredient operates as an effective surfactant, facilitating the formation of stable oil-in-water emulsions and serving as a mild cleansing agent. Its Hydroxyethylcellulose (HEC) base provides significant gelling, thickening, and rheology-modifying capabilities, optimizing product viscosity and sensory application. Furthermore, it forms a transparent, protective film on the skin's surface, which assists in moisture retention, improves skin feel, and may contribute to reducing potential irritation.

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 5.5 – 7
0 7 14

Stability

Optimal stability for formulations, drawing from its Hydroxyethylcellulose (HEC) base, is observed within a pH range of 5.5-7.0, which aligns with the skin's natural acidic environment. While generally stable between pH 2 and 12, prolonged exposure to pH below 4 can induce hydrolysis and viscosity loss, whereas pH above 10 may accelerate molecular chain degradation. To ensure proper dispersion and prevent lumping, hydration is often enhanced in cooler water, ideally between 15-25°C.

Synergies

  • Most cosmetic actives
  • Electrolytes
  • Surfactants

Conflicts

  • High-valent metal ions (e.g., iron, aluminum ions)
  • Strong oxidizing agents
  • High-salt or highly electrolytic formulations (may cause thinning)

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

Although its parent compound, Hydroxyethylcellulose (HEC), has been deemed safe for cosmetic use by the CIR Expert Panel at concentrations up to 10% and holds FDA approval as an indirect food additive, LAURETH-13 PG-HYDROXYETHYLCELLULOSE specifically lacks individual safety assessments by CIR, SCCS, or FDA.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A versatile polymer essential for stable and aesthetically pleasing formulations, offering emulsification, cleansing, and moisturizing properties across all skin types, though specific safety review for this derivative is not yet established.

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