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Moumoujus

ACETYLATED HYDROGENATED LANOLIN.

Valuable CAS 91053-41-7 / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

Acetylated hydrogenated lanolin is a multi-functional emollient that forms a superior water-repellent film on the skin. It significantly reduces trans-epidermal water loss and improves skin smoothness.

Summary

emollient skin conditioning film forming

Science

Mechanism of Action

This modified lanolin creates a flexible, water-resistant barrier on the stratum corneum, mimicking the skin's natural lipid mantle. The acetylation and hydrogenation processes enhance occlusivity while reducing the stickiness and odor of natural lanolin.

Research

Clinical Evidence

Medium confidence
Effective range 2–10%
Optimal

N/A

Key findings

  1. 01 Demonstrates superior water-repellent film-forming properties compared to standard lanolin, reducing trans-epidermal water loss (TEWL) and enhancing skin smoothness.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH 3 – 11
0 7 14

Stability

Highly stable due to hydrogenation, which removes oxidation-susceptible double bonds. It is non-ionic and stable across a wide pH range of 3.0 to 11.0.

Conflicts

  • Highly hydrophilic systems without proper emulsification
  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Max tested
10%
Sensitization risk Low

The CIR Expert Panel deems it safe for cosmetic use up to 10%. While natural lanolin can be allergenic, this modified form generally exhibits lower sensitization potential.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
No Oily
Yes Sensitive
Irritancy Low
Comedogenicity Medium

Our Assessment

Verdict

Valuable

A valuable ingredient for its robust film-forming and emollient properties, effectively boosting hydration and barrier function across various skin types.

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