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PEG-8 RASPBERRIATE.

Valuable / SURFACTANT - EMULSIFYING

PEG-8 RASPBERRIATE is a versatile ester that conditions, softens, and hydrates the skin by attracting and binding moisture. It also functions as a crucial emulsifier and surfactant, stabilizing formulations and enhancing the uniform distribution of other active ingredients.

Summary

Skin conditioning Emollient Surfactant Emulsifying Humectant Solvent

Science

Mechanism of Action

This ingredient primarily acts as a skin conditioning emollient, contributing to a smoother and softer skin surface. Its inherent PEG-8 component provides humectant properties, drawing moisture from the environment to significantly increase skin hydration. Furthermore, it serves as an effective surfactant and emulsifying agent, essential for creating and maintaining stable, homogenous blends of oil and water within cosmetic formulations. It also functions as a solvent, which can improve product texture and facilitate enhanced penetration of other ingredients into the skin.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 7.5
0 7 14

Stability

PEG-8 RASPBERRIATE exhibits notable stability, demonstrating resistance to moderately strong acids, alkalis, and salt solutions. Aqueous solutions maintain stability at room temperatures without hydrolysis of the PEG bonds. However, it is susceptible to oxidative degradation when exposed to air; minimizing exposure to elevated temperatures, oxygen, or incorporating antioxidants can effectively mitigate this degradation. The ingredient also assists in preventing formulations from drying out and acts as a solvent to accelerate ingredient distribution in liquid bases.

Conflicts

  • Phenol (may reduce antimicrobial action)
  • Sorbitol (may affect integrity of plastics)
  • Tannic acid (may affect integrity of plastics)
  • Salicylic acid (may affect integrity of plastics)
  • Penicillin (rapidly inactivated)
  • Bacitracin (rapidly inactivated)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
85%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has determined PEG-8 (a component of PEG-8 RASPBERRIATE) to be safe for cosmetic use in concentrations ranging from 0.0002% to 85%. The CIR concluded that PEG-8 and its derivatives are generally non-toxic to the skin and do not typically induce irritation or allergic reactions. It is recognized as Generally Recognized As Safe (GRAS) by the FDA. However, caution is advised for use on broken skin, as studies have reported potential kidney toxicity in burn patients treated with PEG-based antimicrobial creams. Additionally, EWG indicates that 'Raspberry Seed Oil PEG-8 Esters' (a synonym) may be allowed in EWG VERIFIED products but with necessary use restrictions and warnings due to potential contamination concerns from toxic impurities like Ethylene Oxide and 1,4-dioxane.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

PEG-8 RASPBERRIATE is a valuable multifunctional ingredient offering significant emollient, humectant, and emulsifying benefits, though formulators must consider potential impurities and avoid use on compromised skin.

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