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TREHALOSE ISOSTEARATE ESTERS.

Valuable / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

TREHALOSE ISOSTEARATE ESTERS is a multi-functional ingredient combining the hydrating properties of trehalose with the emollient benefits of isostearic acid. It functions as a skin conditioning agent, helping to soften and smooth the skin's surface. This ester also plays a vital role in formulation stability and texture as an emulsifier and stabilizer, promoting product integrity.

Summary

skin conditioning emollient surfactant emulsifier stabilizer

Science

Mechanism of Action

TREHALOSE ISOSTEARATE ESTERS conditions and softens the skin through its emollient properties. The trehalose sugar component is renowned for its ability to maintain the skin's moisture holding capacity, protecting cells from dehydration by replacing water in tissues and preserving cellular structure. It enhances skin barrier function by promoting the formation of lamellar intercellular lipids, acts as an osmotic and anti-stress agent, and offers protective effects against photodamage, oxidative stress, and inflammation. The fatty acid ester component contributes to its emollient and potentially amphiphilic nature, allowing it to also function as a surfactant and emulsifier within formulations.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No data indicates that TREHALOSE ISOSTEARATE ESTERS is commonly 'dusted' or used at concentrations significantly above its functional efficacy for marketing purposes alone.

The Formula

Formulation

Solubility
Oil
Optimal pH 4 – 10
0 7 14

Stability

The trehalose component exhibits excellent stability across a wide pH range (4.0 to 10.0) and withstands temperatures up to 90°C, with aqueous solutions resisting degradation at 100°C for 24 hours. As an ester of isostearic acid, TREHALOSE ISOSTEARATE ESTERS is inherently oil-soluble or amphiphilic, contributing emollient and emulsifying properties. It also functions as a stabilizer, preventing the formation of volatile aldehydes and the splitting of fatty acids in oil-containing products, thereby extending shelf life.

Synergies

  • Works well with almost all other ingredients, enhancing overall product stability and shelf life.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that saccharide esters, including trehalose esters, are safe for use in cosmetics under current practices and concentrations. For trehalose itself, the CIR Expert Group deemed it safe in 2019 up to 2%. No specific SCCS or FDA status was found for 'TREHALOSE ISOSTEARATE ESTERS', and it is not among the limited ingredients banned by the FDA.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

TREHALOSE ISOSTEARATE ESTERS is a valuable ingredient offering significant skin conditioning and emollient benefits, supported by the established hydrating and protective properties of its trehalose component, alongside robust formulation stability contributions.

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