Is SLS milder than SLES?

AbdullahAbdullah Member
Is SLS milder than SLES? 

"Sodium lauryl sulfate (SLS) is a classic anionic surfactant that is considered milder than sodium laureth sulfate (SLES) but has very similar properties".

https://www.makingcosmetics.com/Sodium-Lauryl-Sulfate_p_1059.html?locale=en

Comments

  • singhc10singhc10 Member
    @ its other way, SLES is milder than SLS
    Ethoxylation causes following:
    • Reduce irritancy(milder to skin)
    • Decreases salt viscosity response(need more salt to thicken SLES than SLS)
    • Reduces foaming
  • PerryPerry Administrator, Professional Chemist
    Yes, the opposite is true. SLES is theoretically more mild than SLS. Although you can make a mild formula with either.

    But it does demonstrate that not everything you read on the Internet is true.
  • AbdullahAbdullah Member
    @Perry @singhc10 thanks 
    I should be careful with information on internet. 
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