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Moumoujus

BIS-BENZYL BUTYLENE GLYCOL/IPDI COPOLYMER.

Valuable / FILM FORMING, HAIR CONDITIONING, HAIR FIXING, NAIL CONDITIONING, SKIN CONDITIONING, SKIN PROTECTING

A sophisticated polyurethane-based film former designed to create a resilient, breathable shield over the skin's surface. It serves as a precision structural agent that enhances the durability of formulations while providing significant barrier reinforcement.

Summary

Film Former Skin Conditioning Agent Barrier Protection Texture Enhancer

Science

Mechanism of Action

This high-molecular-weight copolymer utilizes an Isophorone Diisocyanate (IPDI) backbone to construct a flexible, non-occlusive matrix. This matrix functions as a secondary skin barrier that prevents moisture evaporation (TEWL) and shields against environmental pollutants without inhibiting natural skin respiration.

Research

Clinical Evidence

High confidence
Effective range 0.25–15%
Optimal

2%

Key findings

  1. 01 Demonstrated significant reduction in transepidermal water loss (TEWL) through the formation of a flexible, substantive film.
  2. 02 Clinical data indicates enhanced pigment dispersion and rub-resistance in long-wear cosmetic applications.
  3. 03 Proven to improve the 'wear-time' and substantivity of active ingredients when applied to the skin surface.

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.25%
Red flag below
0.1%

At concentrations below 0.25%, the copolymer cannot effectively form the continuous matrix required to provide measurable barrier protection or film-forming benefits.

The Formula

Formulation

Solubility
Oil
Optimal pH 3 – 10
0 7 14

Stability

Highly resistant to hydrolysis and stable across a broad pH spectrum; must be pre-solubilized within the lipid phase of emulsions.

Synergies

  • Emollient esters
  • Mineral UV filters
  • Lipophilic active delivery systems

Conflicts

  • Pure aqueous systems without emulsifiers
  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Max tested
15%
Pregnancy
Safe
Sensitization risk Low

Due to its high molecular weight, the molecule is too large to penetrate the skin barrier, making it inherently non-irritating and systemically safe.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

An exceptional functional ingredient for stabilizing skin hydration and extending product performance without the heaviness of traditional occlusives.

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References

Sources