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ISODECETH-6.

Questionable / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

ISODECETH-6 is a non-ionic surfactant and emulsifier derived from isotridecyl alcohol, crucial for stabilizing formulations that blend immiscible liquids like oil and water. Beyond emulsion stabilization, it offers strong cleansing, wetting, and dispersing properties, making it a versatile ingredient in various cosmetic applications.

emulsifying surfactant cleansing

Science

This ingredient functions by significantly lowering the interfacial tension between typically unmixable substances, such as oil and water, thereby facilitating the creation and maintenance of stable emulsions. Its molecular structure allows it to position itself at the interface, effectively bridging the polar and non-polar phases. Additionally, its surfactant nature contributes to effective cleansing by aiding in the removal of impurities, improving wettability, and uniformly distributing other components.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Both
Optimal pH 5 – 7
0 7 14

Stability

ISODECETH-6 demonstrates robust stability within an aqueous environment at a pH range of 5.0 to 7.0 (for a 1% solution). It retains its functional integrity across acidic to slightly alkaline conditions, in both cold and hard water, and remains stable when exposed to oxidizing or reducing agents.

Synergies

  • Silicone compounds
  • Non-ionic surfactants
  • Cationic surfactants
  • Anionic surfactants

Safety

CIR Status
Safe with restrictions
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) has deemed ISODECETH-6 safe for use in cosmetics, provided specific concentration or usage limitations are observed. However, the CIR indicated that data regarding its potential for skin, eye, or lung irritation is currently unknown or unassessed. There is no specific maximum concentration publicly defined in the research. Additionally, there are potential contamination concerns with Ethylene Oxide and 1,4-Dioxane, which are critical considerations for a precision brand.


Your Skin

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

Our Assessment

Questionable

While ISODECETH-6 offers effective emulsifying and cleansing properties, its 'safe with restrictions' CIR status, unassessed irritation potential, and contamination concerns with Ethylene Oxide and 1,4-Dioxane make it a questionable choice for precision skincare formulations without comprehensive internal safety validation.


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