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Moumoujus

DISODIUM ISODECYL SULFOSUCCINATE.

Valuable CAS 37294-49-8 / 55184-70-8 / CLEANSING, FOAMING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, SURFACTANT - HYDROTROPE

Disodium Isodecyl Sulfosuccinate is a versatile surfactant recognized for its cleansing, foaming, and skin conditioning properties. It efficiently reduces surface tension, facilitating the emulsification of oil and water, and functions as a foam booster and hydrotrope in cosmetic formulations.

Summary

Cleansing Foaming Foam Boosting Hydrotrope Skin Conditioning Surfactant

Science

Mechanism of Action

Operating primarily as a surfactant, Disodium Isodecyl Sulfosuccinate effectively lowers the surface tension between different phases within a formulation. This action enables it to function as a wetting and dispersing agent, emulsifying oils with water, and contributing to the stability and texture of products while also conditioning the skin.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

5%

Key findings

  1. 01 Safety assessments have largely extrapolated data from related dialkyl sulfosuccinates, such as Dioctyl Sodium Sulfosuccinate. A Repeated Insult Patch Test (RIPT) using a 5% concentration of Dioctyl Sodium Sulfosuccinate demonstrated no sensitization, though transient erythema was observed during the induction phase in certain subjects.
  2. 02 An earlier established safe limit of 0.42% for Diethylhexyl Sodium Sulfosuccinate was subsequently revised to 'safe as used in cosmetic formulations' in 1998, emphasizing careful formulation to prevent irritancy in products intended for prolonged skin contact.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH 4 – 9
0 7 14

Stability

Related sulfosuccinates are generally stable within a pH range of 4 to 9. However, highly acidic or alkaline conditions may induce hydrolysis, potentially breaking down the ester linkage.

Conflicts

  • Highly acidic conditions (potential for hydrolysis)
  • Highly alkaline conditions (potential for hydrolysis)

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
5%
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Disodium Isodecyl Sulfosuccinate, along with other dialkyl sulfosuccinate salts, 'safe in cosmetics in the present practices of use and concentration when formulated to be non-irritating'. This conclusion is based on extrapolated data from extensively studied related compounds. Formulators are advised that these surfactants can act as cumulative irritants, requiring careful formulation, especially for products intended for prolonged skin contact. While Disodium Isodecyl Sulfosuccinate lacks a specific FDA cosmetic status, a related compound, Dioctyl Sodium Sulfosuccinate, is FDA GRAS (Generally Recognized As Safe) for specific food and pesticide applications.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Disodium Isodecyl Sulfosuccinate is a valuable surfactant for cleansing and foaming formulations, provided it is carefully formulated within recommended concentrations to minimize its moderate irritancy potential.

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