Cetostearyl alcohol

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Cetostearyl alcohol
Fatty alcohol - generic.png
n = ~14-16
Other names
Cetearyl alcohol; Cetylstearyl alcohol; Cetyl/stearyl alcohol
  • none
ECHA InfoCard 100.060.898 Edit this at Wikidata
EC Number
  • 267-008-6
CH3(CH2)nCH2OH; n=variable, typically 14-16
Melting point 48 to 56 °C (118 to 133 °F; 321 to 329 K)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Cetostearyl alcohol, cetearyl alcohol or cetylstearyl alcohol[1] is a mixture of fatty alcohols, consisting predominantly of cetyl (16 C) and stearyl alcohols (18 C) and is classified as a fatty alcohol. It is used as an emulsion stabilizer, opacifying agent, and foam boosting surfactant, as well as an aqueous and nonaqueous viscosity-increasing agent. It imparts an emollient feel to the skin and can be used in water-in-oil emulsions, oil-in-water emulsions, and anhydrous formulations. It is commonly used in hair conditioners and other hair products.[2]


  1. ^ a b MSDS
  2. ^ Record in the Household Products Database of NLM