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PEG-35 ALMOND GLYCERIDES.

Valuable CAS 226993-90-4 / SURFACTANT - EMULSIFYING

PEG-35 Almond Glycerides is a multifunctional ingredient derived from almond oil, primarily functioning as a skin-conditioning agent, emollient, and emulsifier. It is engineered to stabilize cosmetic formulations, promote skin hydration, and enhance overall skin smoothness.

Summary

Emulsifying Skin-Conditioning Emollient Humectant Surfactant Solubilizer Consistency Improver Binder Softener Fixative Penetration Enhancer

Science

Mechanism of Action

This ingredient operates on several levels: as an emollient, it forms a protective film on the skin's surface, minimizing transepidermal water loss and shielding against environmental aggressors, leading to softer skin. As a surfactant, it effectively reduces the surface tension between immiscible liquids, facilitating the creation and stability of oil-in-water emulsions. The polyethylene glycol (PEG) component further contributes to skin hydration by binding water molecules via hydrogen bonds, thereby retaining moisture. Additionally, it possesses the capability to enhance the dermal penetration of other active substances within a formulation.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Cosmetic Ingredient Review (CIR) Expert Panel safety assessments

Transparency

Dusting Analysis

Not commonly dusted

This ingredient is typically a liquid and functions as an emulsifier and solubilizer, making 'dusting' considerations irrelevant.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Generally compatible with a wide array of cosmetic ingredients, its stability across specific pH ranges is not explicitly detailed in the available data.

Synergies

  • Enhances the solubility and dispersion of oil-soluble active ingredients, perfume oils, and dyes.
  • Improves the consistency and texture of emulsions.

Conflicts

  • Must be formulated diligently to ensure it is non-irritating.
  • Requires careful consideration when combined with ingredients whose safety profile is based on limited dermal absorption, due to its ability to enhance penetration.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The CIR Expert Panel deems PEG-35 Almond Glycerides safe for cosmetic use when formulated to be non-irritating. This supersedes prior concentration limits, acknowledging safety at higher levels (e.g., up to 20% for related PEGylated glycerides) with proper formulation. Formulators must address potential impurities such as 1,4-dioxane and ethylene oxide, which are associated with ethoxylated ingredients, though some related PEGs adhere to regulatory limits for these contaminants. Its penetration-enhancing property necessitates caution when incorporating ingredients where limited dermal absorption is a critical safety factor.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-35 Almond Glycerides is a valuable multi-functional ingredient offering emulsifying, conditioning, and hydrating benefits, provided it is carefully formulated to be non-irritating and account for potential enhanced penetration of other actives.

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