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Moumoujus

POLY(1,4-BUTANEDIOL)-18.

Insufficient Data / NOT REPORTED

POLY(1,4-BUTANEDIOL)-18 is a polymer synthesized from the monomer 1,4-Butanediol, a fundamental building block in industrial chemistry. While its direct skin applications are not extensively studied, it is anticipated to function as a film-former, texture enhancer, and potentially a skin-conditioning agent, leveraging properties observed in related polymeric materials.

Summary

Film-forming agent Skin-conditioning agent Texture enhancer Humectant Product stabilizer

Science

Mechanism of Action

The precise mechanism of POLY(1,4-BUTANEDIOL)-18 on skin remains largely unresearched. However, insights from related polyether diols, such as Polytetramethylene Ether Glycol (PTMEG), suggest it may operate as a film-forming agent, contributing to a smooth skin feel and aiding in moisture retention. This polymeric structure is also likely to improve product texture and overall formulation stability. The monomer, 1,4-Butanediol, is known to serve as a solvent, humectant, and thickening agent, which could indirectly contribute to the polymer's perceived benefits.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

The monomer, 1,4-Butanediol, demonstrates robust hydrolytic stability and remains stable across a pH range of 4, 7, and 9 at 25°C. Analogous polymers, like Polytetramethylene Ether Glycol (PTMEG), also exhibit superior resistance to hydrolytic degradation. PTMEG is a hygroscopic, waxy solid that melts into a clear, viscous liquid near room temperature. For optimal stability, it should be stored in sealed containers. Prolonged exposure to temperatures exceeding 90°C, particularly when incorporated into high-surface-area materials, is not advised due to potential decomposition and the release of flammable substances. While generally insoluble in water (with solubility decreasing as molecular weight increases), PTMEG readily dissolves in various organic solvents including alcohols, esters, ketones, and aromatic or chlorinated hydrocarbons.

Conflicts

  • Strong oxidizing agents (e.g., hydrogen peroxide, nitric acid, sulfuric acid) for the monomer 1,4-Butanediol.
  • Prolonged high temperatures (above 90°C) and impregnation into high-surface-area materials for related polymers like PTMEG, due to potential decomposition and release of flammable substances.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that available data are insufficient to ascertain the safety of the monomer, 1,4-Butanediol, for its intended conditions of use in cosmetic formulations. Significant safety concerns exist regarding the ingestion of 1,4-Butanediol, as it rapidly metabolizes into gamma-hydroxybutyrate (GHB) within the body, which can lead to severe neurotoxic effects, loss of consciousness, and dangerous respiratory depression. Consequently, in Australia, free form 1,4-Butanediol is prohibited for sale, supply, and use in domestic products. Direct safety data for the specific polymer, POLY(1,4-BUTANEDIOL)-18, in cosmetics is not available; however, related alkyl PEG/PPG ethers have been deemed safe when formulated to be non-irritating.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

Given the 'insufficient data' safety status for the monomer 1,4-Butanediol by the CIR Expert Panel and the absence of specific clinical studies for the polymer POLY(1,4-BUTANEDIOL)-18 on skin, its use in precision skincare formulations is currently considered questionable.

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