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SODIUM C12-15 ALKYL SULFATE.

Valuable CAS 68890-70-0 / CLEANSING, FOAMING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SODIUM C12-15 ALKYL SULFATE is a versatile surfactant known for its effective cleansing, emulsifying, and foaming properties. It facilitates the removal of oil and dirt, making it a key component in rinse-off skincare formulations.

Summary

Cleansing Emulsifying Foaming Surfactant

Science

Mechanism of Action

This ingredient functions by significantly lowering the surface tension of liquids. Its molecular architecture includes both water-attracting (hydrophilic) and oil-attracting (hydrophobic) segments. This dual affinity allows it to interact with both water and oil, effectively encapsulating and suspending impurities to be rinsed away, thereby providing potent cleansing and emulsifying actions.

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 5.5 – 8
0 7 14

Stability

Alkyl sulfates are prone to chemical instability at extreme temperatures and pH values due to the degradation of their sulfate ester bond. For optimal stability, formulations containing this ingredient are typically maintained within a pH range of 5.5 to 8.0.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
29%
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that related alkyl sulfates, including Sodium C12-15 Pareth Sulfate and Sodium Cetearyl Sulfate, are safe for use in cosmetics when formulated to be non-irritating. Concentrations of related alkyl sulfates have been reported up to 29% in various products.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

SODIUM C12-15 ALKYL SULFATE is a valuable surfactant, highly effective for cleansing and emulsification, provided it is formulated within specified pH ranges and concentrations to ensure skin compatibility.

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References

Sources