Home Cosmetic Science Talk Formulating General Science Difference between Sodium Laureth-2 Sulphate and Sodium Laureth-1 Sulphate

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  • Difference between Sodium Laureth-2 Sulphate and Sodium Laureth-1 Sulphate

    Posted by PeiHoong on October 11, 2019 at 7:34 am

    Hi, i would like to ask if anyone know the difference between Sodium Laureth-2 Sulphate and Sodium Laureth-1 Sulphate. I know the difference in chemistry but what is the difference between two in formulation? any difference in efficacy, mildness or compatibility with other ingredients? 

    Thank you very much in advance for your help. 

    EVchem replied 5 years, 1 month ago 2 Members · 3 Replies
  • 3 Replies
  • EVchem

    Member
    October 11, 2019 at 1:06 pm

    “As we increase the moles of EO from one to two to three, how does it impact the performance of the
    product? Generally speaking here is how:
     - Increases solubility

    - Increases mildness

    - Increases flash foam

    - Decreases foam stability

    - Decreases viscosity building

    These differences are not very prominent in most cases except for viscosity building; there is a
    significant difference between 2 mole and three mole. Two mole gives higher viscosity. In most
    applications formulators tend to use the 2 mole product like our Calfoam® ES-302.”

  • PeiHoong

    Member
    October 14, 2019 at 7:41 am

    @EVchem Thanks for your explanation! 

  • EVchem

    Member
    October 21, 2019 at 3:53 pm

    @PeiHoong no problem it was Calfoams not mine haha

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