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Moumoujus

ISOPROPYL TITANIUM TRIISOSTEARATE/TRIETHOXYCAPRYLYLSILANE CROSSPOLYMER.

Valuable CAS - / SURFACTANT - CLEANSING, VISCOSITY CONTROLLING

This unique crosspolymer functions primarily as a pigment surface modifier, significantly enhancing the dispersion, stability, and adherence of colorants and mineral UV filters in cosmetic formulations. It contributes to product longevity and even application while offering emollient properties to the skin.

Summary

Pigment surface modifier Surfactant Viscosity controlling agent Emollient Emulsifier

Science

Mechanism of Action

As a polymer formed from Isopropyl Titanium Triisostearate (ITT) and Triethoxycaprylylsilane (TES), this ingredient leverages the water-loving nature of ITT and the oil-loving nature of TES. It forms a uniform coating around pigments and nanoparticles, such as titanium dioxide, ensuring their even suspension and dispersion. This action directly improves pigment stability and adherence, prolonging wear time and color consistency. In sunscreens, it enhances the efficacy of UV protection by maintaining the uniform distribution of mineral filters. Additionally, it reduces surface tension as a surfactant, controls product viscosity, acts as an emulsifier to stabilize oil and water phases, and imparts emollient benefits, contributing to a smoother skin feel.

Research

Clinical Evidence

Medium confidence
Effective range 0.004–0.348%
Optimal

N/A

Key findings

  1. 01 Clinical evaluations at 0.348% in foundations and 0.102% in foundation topcoats demonstrated low skin irritancy in human repeated insult patch tests and low ocular irritation in vitro.
  2. 02 A human phototoxicity test conducted with 0.004% of the ingredient in a pressed powder indicated no phototoxic effects, supporting its safe use in sun-exposed products.

Transparency

Dusting Analysis

Not commonly dusted

This ingredient functions as a surface modifier and is integrated into formulations to improve pigment dispersion and stability, rather than being a standalone active that could be 'dusted' in the conventional sense. Its purpose is to enhance formulation integrity.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Significantly improves the stability and function of pigments, enhancing adhesion and wear performance in makeup and mineral sunscreens by ensuring uniform dispersion and suspension.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
0.348%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel deemed Isopropyl Titanium Triisostearate, a primary component, safe for use at concentrations up to 1.4% in leave-on products and 0.3% in rinse-off products. While the specific crosspolymer has not been directly reviewed by the SCCS or FDA for an independent status, studies demonstrate low irritancy and no phototoxicity at tested concentrations (up to 0.348%). The SCCS has generally permitted other cosmetic ingredients used as stable coatings on TiO2 nanomaterials, provided safety is demonstrated and particle properties are unaffected.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This crosspolymer is a valuable formulation enhancer, crucial for stabilizing pigments and mineral UV filters, improving product wear, and offering low irritancy for a wide range of skin types.

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