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BIS-HEMA POLYNEOPENTYL GLYCOL ADIPATE/IPDI COPOLYMER.

Questionable CAS 82339-16-0 / BINDING

This flexible urethane acrylate acts as a binding agent, maintaining the cohesion of powdered ingredients in cosmetic formulations. When cured, it forms a durable, plastic-like film, primarily utilized in nail enhancement products.

binding film forming

Science

Its larger, complex molecular structure reduces skin penetration, lowering sensitization potential compared to HEMA. This copolymer polymerizes under UV/LED light to create a strong, chemically resistant film, crucial for durability.


Research

Insufficient-data confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Unknown
Optimal pH N/A
0 7 14

Stability

This ingredient is primarily used in UV/LED curable systems like gel nail products, where light exposure facilitates its polymerization into a durable film.


Safety

CIR Status
Safe with restrictions
Sensitization risk Moderate

While not individually assessed by CIR, it falls under acrylates copolymers, 126 of which are deemed safe when non-irritating. Its larger molecular size reduces skin penetration and irritation potential compared to HEMA, though a sensitization risk remains.


Your Skin

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

Our Assessment

Questionable

Although a binding and film-forming agent, its primary application and mechanism are tailored for UV/LED cured nail products, raising questions about its relevance and efficacy in traditional precision skincare.


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