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OCTOXYNOL-6.

Optional CAS 9002-93-1 / SURFACTANT - EMULSIFYING

Octoxynol-6 is an ethoxylated alkylphenol that functions primarily as a surfactant in skincare and cosmetic formulations. It is employed as an emulsifier, cleansing agent, and solubilizer to improve product texture and performance.

emulsifying surfactant/cleansing solubilizing hydrotrope

Science

Octoxynols, including Octoxynol-6, exert their effects by acting as surfactants. They reduce the surface tension of substances, which facilitates the formation of stable emulsions. Additionally, they enhance cleaning by allowing water to effectively mix with oil and dirt, enabling easier rinsing from skin and hair.


Research

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 In a 24-hour occlusive patch test, formulations containing 2% Octoxynol-9 were classified as moderately to minimally irritating.
  2. 02 Octoxynol-9 at a 1% concentration was classified as a nonirritant in a clinical study involving nine subjects patch tested over 4 consecutive days.

Transparency

Not commonly dusted

The Formula

Solubility
Oil
Optimal pH 5 – 8
0 7 14

Stability

Octoxynol-6 demonstrates optimal stability within a pH range of 5.0 to 8.0.

Conflicts

  • Ethylene oxide impurities
  • 1,4-dioxane impurities
  • Unreacted C9 phenols impurities

Safety

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

The CIR Expert Panel considers Octoxynol-6 safe for use in rinse-off products and safe at concentrations of 5% or less in leave-on formulations. However, particular caution is advised: short-chain octoxynols (including Octoxynol-6) should be avoided in products for the eye area due to potential ocular irritancy. Products must be formulated to ensure non-irritation, and trace impurities such as 1,4-dioxane and ethylene oxide should be rigorously minimized.


Your Skin

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

Our Assessment

Optional

Octoxynol-6 is a functional surfactant for emulsification and cleansing, but its application requires precise formulation within concentration limits and careful attention to impurity levels to minimize potential irritation risks.


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