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Moumoujus

HYDROXYPROPYLTRISILOXYL IPDI/PEG-23 COPOLYMER.

Questionable CAS - / BINDING, CLEANSING, SKIN CONDITIONING

This multi-functional copolymer serves as an effective binding agent to maintain product cohesion, a skin conditioning agent to promote epidermal health, and a surfactant. It is utilized to enhance cleansing efficacy and improve foam quality in various cosmetic formulations.

Summary

Binding Cleansing Skin Conditioning Surfactant - Cleansing Surfactant - Foam Boosting

Science

Mechanism of Action

HYDROXYPROPYLTRISILOXYL IPDI/PEG-23 COPOLYMER is a complex molecule comprising polymeric silicone (siloxy), isophorone diisocyanate (IPDI), and polyethylene glycol (PEG) segments. The PEG component contributes to its humectant properties, consistency enhancement, and water solubility. The siloxy group signifies its silicone-based structure, which often provides film-forming or sensory benefits, while IPDI is a common building block in durable polyurethane structures. Together, these components enable the ingredient to bind powdered particles, condition the skin, and act as a surfactant by reducing surface tension to facilitate cleansing and improve foam volume and stability.

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

Polyethylene glycol (PEG) components are generally well-tolerated by the skin and resistant to microbial growth, potentially reducing the need for additional preservatives in a formulation. The polyurethane elastomer segments, derived partly from IPDI and PEG, exhibit high thermal stability, with reported resilience up to 250 °C.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Moderate

While the Cosmetic Ingredient Review (CIR) Expert Panel has broadly evaluated related dimethicone crosspolymers and PEG-modified silicones, concluding many to be safe, specific data for HYDROXYPROPYLTRISILOXYL IPDI/PEG-23 COPOLYMER is insufficient. Notably, some sources label this ingredient as 'Muy Dudoso' (Very Doubtful) and prohibit its use in certified organic or natural cosmetics due to its ethoxylated nature. The ethoxylation process involves ethylene oxide, which is classified as a carcinogen. Additionally, PEGs are categorized as 'sceptical microplastics' by certain organizations, citing ongoing debate regarding their solubility, potential toxicity, environmental persistence, and bio-accumulation.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

This multi-functional ingredient offers practical benefits for formulation stability and skin conditioning, but significant safety concerns regarding its ethoxylated nature and classification as a 'sceptical microplastic' warrant careful consideration and a cautious approach.

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