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PEG-60 SORBITAN TETRASTEARATE.

Valuable / SURFACTANT - EMULSIFYING

PEG-60 Sorbitan Tetrastearate is a polyoxyethylene derivative of sorbitan tetrastearate, acting primarily as a nonionic surfactant. It plays a crucial role in skincare formulations by reducing surface tension, which allows immiscible ingredients, such as oils and water, to form stable emulsions.

Summary

Emulsifier Cleansing Agent Solubilizing Agent Humectant Consistency Enhancer Softening Agent Binding Agent Fixative Antistatic Agent Conditioning Agent

Science

Mechanism of Action

As part of the PEG Sorbitan/Sorbitol Fatty Acid Esters group, PEG-60 Sorbitan Tetrastearate functions by decreasing the surface tension between different substances. This property enables it to act as an emulsifying agent, stabilizing mixtures that would typically separate. It also serves as a solubilizing agent, helping to dissolve active ingredients or fragrance oils, and facilitates cleansing by allowing water to blend with oily residues for easier rinsing.

Research

Clinical Evidence

Insufficient-data 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 glycols and their derivatives, including PEG-60 Sorbitan Tetrastearate, demonstrate a broad spectrum of solubility and are generally well-tolerated. As a nonionic emulsifier, it is suitable for use in neutral, mildly alkaline, and acidic systems.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
25%
Sensitization risk Low

The CIR Expert Panel concluded that PEG-60 Sorbitan Tetrastearate is safe for use in cosmetic products at concentrations not exceeding 25%, with the important proviso that it should not be applied to damaged skin. While trace amounts of 1,4-dioxane, a by-product of the ethoxylation process, may be present, these levels can be effectively controlled through purification. Related ingredients, such as Polysorbate 60, have also received Generally Recognized As Safe (GRAS) status from the FDA for specific food additive applications.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-60 Sorbitan Tetrastearate is a valuable functional ingredient, essential for creating stable emulsions and solubilizing diverse components, exhibiting broad compatibility with all skin types within its recommended usage parameters.

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