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SHEA BUTTER PEG-8 ESTERS.

Valuable / SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SHEA BUTTER PEG-8 ESTERS is a multifaceted ingredient derived from shea butter and polyethylene glycol. It functions primarily as a skin conditioning agent and emollient, while also providing critical surfactant, emulsifying, and solubilizing properties to formulations.

Summary

Emulsifying Surfactant/Cleansing Skin Conditioning/Emollient Moisturizer Solubilizer Viscosity Control

Science

Mechanism of Action

This ester acts by enhancing the skin's barrier function, softening its texture, and promoting a smooth feel. Its amphiphilic nature, a result of PEGylation, allows it to effectively blend immiscible oil and water phases, stabilize emulsions, and solubilize otherwise insoluble compounds. It also contributes to the desired rheology, aiding in viscosity control within a product.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 While direct clinical efficacy studies specifically on SHEA BUTTER PEG-8 ESTERS are not provided, related PEGylated alkyl glycerides have demonstrated excellent tolerance. A formulation containing PEG-75 shea butter, at a 1% concentration, was found to not induce ocular irritation in tolerance testing. Similarly, a female hygiene product with 0.1% PEG-75 shea butter glycerides showed no evidence of vaginovulvar irritation in a use study, suggesting a generally well-tolerated profile for this ingredient class.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The CIR Expert Panel has deemed PEGylated alkyl glycerides, including derivatives like PEG-75 shea butter glycerides, safe for use in cosmetics at current practices and concentrations. Polyethylene glycols (PEGs) and their derivatives are generally characterized by very good skin tolerance and are not typically sensitizing to normal, healthy skin. However, it is important to note that PEGs can be readily absorbed through damaged skin and have been associated with contact dermatitis and systemic toxicity in burn patients. While considered stable and safe by regulatory bodies, some concerns exist within the 'natural' cosmetics sector regarding potential residual Ethylene Oxide and 1,4 Dioxane from their synthetic production.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

SHEA BUTTER PEG-8 ESTERS is a valuable multi-functional ingredient, offering emollient benefits and essential formulation roles with a generally favorable safety profile for healthy skin.

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