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METHOXY PEG-100/EPSILON CAPROLACTONE/SEBACATE COPOLYMER.

Insufficient Data / HUMECTANT

This advanced copolymer, composed of polyethylene glycol (PEG), epsilon caprolactone, and sebacate segments, functions as a versatile ingredient within cosmetic formulations. It is primarily utilized for its ability to attract and retain moisture, form protective films on the skin, and stabilize product pH.

Summary

Humectant Film-forming Agent Buffering Agent Surfactant

Science

Mechanism of Action

METHOXY PEG-100/EPSILON CAPROLACTONE/SEBACATE COPOLYMER primarily operates as a humectant, drawing and binding water to the skin's surface to maintain hydration. Its unique copolymer structure, particularly the caprolactone and sebacate segments, likely contributes to its film-forming capabilities, creating a continuous, protective layer that can reduce transepidermal water loss. Furthermore, this ingredient exhibits buffering properties, crucial for maintaining the optimal pH stability of cosmetic formulations. Its amphiphilic nature, combining hydrophilic PEG with hydrophobic caprolactone/sebacate segments, also suggests it can act as a surfactant, potentially enhancing the solubility and dispersion of other ingredients within a product.

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 N/A
0 7 14

Stability

This copolymer, similar to Methoxy PEG-114/Polyepsilon Caprolactone variants, demonstrates robust buffering capacity, aiding in the stabilization of product pH. Polyethylene glycols, a key component, are generally known for their excellent stability. The ingredient's amphiphilic nature, combining hydrophilic PEG with hydrophobic caprolactone/sebacate segments, indicates good compatibility with both aqueous and oil-based formulation components.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

While this specific copolymer has not undergone individual review by the CIR Expert Panel or SCCS, its polyethylene glycol (PEG) component is broadly recognized as safe for cosmetic use, demonstrating very good skin tolerance. The CIR Expert Panel has affirmed the safety of PEGs in current cosmetic applications. Products containing similar Methoxy PEG/Polyepsilon Caprolactone compounds are permitted in EWG VERIFIED formulations, subject to certain use restrictions and warnings, further supporting a general assessment of low safety concern.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

While METHOXY PEG-100/EPSILON CAPROLACTONE/SEBACATE COPOLYMER offers valuable formulation benefits as a humectant and pH stabilizer with a low safety risk, direct clinical evidence for its efficacy in skincare is currently lacking.

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