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Moumoujus

POLY(1,4-BUTANEDIOL)-9.

Insufficient Data / NOT REPORTED

POLY(1,4-BUTANEDIOL)-9 is a polymer that functions primarily as a film-forming agent, creating a protective layer on surfaces. It is typically found as a component within more complex copolymer structures, with its documented applications largely outside of traditional leave-on skincare formulations.

Summary

Film-forming agent

Science

Mechanism of Action

This ingredient operates by establishing a thin, continuous film upon application, thereby creating a physical barrier on the skin's surface. As a constituent of various copolymers, it contributes to the final texture, feel, and protective properties of a product.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

While specific stability for the polymer is not extensively detailed, its monomer, 1,4-Butanediol, is known to be hygroscopic. Formulators should consider protecting products containing this polymer from prolonged exposure to air and moisture to help maintain ingredient integrity.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel has determined that there is insufficient available data to conclude on the safety of 1,4-Butanediol (the monomer) under its intended cosmetic uses. It is crucial to distinguish this topical assessment from the severe risks associated with oral ingestion of 1,4-Butanediol, which converts to gamma-hydroxybutyric acid (GHB) in the body, leading to significant central nervous system depression and potential life-threatening effects. The FDA classifies ingested 1,4-Butanediol as a Class I Health Hazard, and it is treated as a controlled substance analog if intended for human consumption.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

Due to insufficient safety data from the CIR Expert Panel regarding its monomer and a lack of specific skincare efficacy studies, POLY(1,4-BUTANEDIOL)-9's suitability for precision skincare remains largely unevaluated.

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