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HYDROGENATED POLYISOPRENE CROSSPOLYMER.

Valuable CAS 127883-08-3 / VISCOSITY CONTROLLING

Hydrogenated Polyisoprene Crosspolymer is a synthetic polymer primarily utilized in cosmetic formulations to precisely manage product viscosity. Its cross-linked and hydrogenated structure contributes to desirable texture and consistency in skincare products.

Summary

Viscosity Controlling

Science

Mechanism of Action

This ingredient functions as a viscosity-controlling agent, enabling the adjustment of a cosmetic product's thickness and flow. By modulating the rheology of a formulation, it helps create specific textures, from rich creams to lightweight serums, ensuring consistent product delivery and a stable sensory experience.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Information regarding the dusting potential of Hydrogenated Polyisoprene Crosspolymer is not available in the provided research data.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

The hydrogenation process significantly enhances the polymer's thermal and oxidative stability, contributing to a more robust product. As a general polyene, it is typically insoluble in aqueous solutions or common organic solvents but may exhibit swelling in certain organic solvents. A related ingredient, Hydrogenated Styrene/Isoprene Copolymer, is noted as sparingly soluble in water but soluble in alcohol, ether, methanol, acetone, and carbon disulfide.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
95%
Sensitization risk Low

The CIR Expert Panel concluded that the broader class of 'polyenes', including similar ingredients like hydrogenated polyisobutene, are safe for use in cosmetics at current concentrations and practices. For related polyenes such as hydrogenated polyisobutene, usage has been reported up to 95% in certain products like lipsticks. Furthermore, many polyene ingredients, including related forms of polyisoprene, hold FDA approval for use as indirect food additives and in medical devices, supporting a strong safety profile.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Hydrogenated Polyisoprene Crosspolymer is a valuable cosmetic ingredient for precisely controlling product texture and stability, deemed safe for use in formulations.

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