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PENTAERYTHRITYL HYDROGENATED ROSINATE.

Valuable CAS 64365-17-9 / FILM FORMING

PENTAERYTHRITYL HYDROGENATED ROSINATE is an ester of hydrogenated rosin, acting as a versatile skin conditioning agent. It imparts a soft and smooth tactile sensation by lubricating the skin's surface and forms a continuous film. This ingredient also contributes to formulation viscosity control and emulsion stability.

Summary

Film-forming Emollient Viscosity-increasing agent (nonaqueous) Lubricant Dispersing agent Emulsion stabilizer Plasticizer

Science

Mechanism of Action

This ingredient primarily functions as a lubricant, creating a soft and smooth sensation on the skin's surface. It acts as an emollient to condition the skin and serves as a nonaqueous viscosity-increasing agent, enhancing the texture of cosmetic formulations. Additionally, it forms a continuous film on skin, hair, or nails and can act as a dispersing agent, emulsion stabilizer, and plasticizer.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

While no specific optimal percentage for efficacy is provided, related compounds like Pentaerythrityl Rosinate have shown minimal irritation or sensitization at 7-9.6%. For PENTAERYTHRITYL HYDROGENATED ROSINATE, safety restrictions indicate use should be below 20%.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

PENTAERYTHRITYL HYDROGENATED ROSINATE offers superior resistance to oxidation, enhanced heat stability, and better retention of color and tack-imparting properties compared to standard rosin esters. Its low odor and wide solubility/compatibility range further contribute to its stability within diverse formulations.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
19.99%
Sensitization risk Low

The CIR Expert Panel concluded this ingredient is safe for use with restrictions, specifically recommending concentrations below 20%. While data for the non-hydrogenated form were insufficient, hydrogenation is known to decrease the allergenicity of colophony (rosin). Hydrogenated rosin esters are generally considered non-sensitizing, though positive skin sensitization reactions have been linked to concentrations of 20% or greater in consumer products. The FDA lists this ingredient with a UNII code, and the non-hydrogenated form is permitted in chewing gum base and as an indirect food additive.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PENTAERYTHRITYL HYDROGENATED ROSINATE is a valuable multi-functional ingredient, enhancing skin feel and formulation stability with low irritancy across all skin types, provided it is used below concentrations of 20%.

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