Butylene Glycol, dicaprylyl carbonate and silica

Anyone has experiences on Butylene Glycol, dicaprylyl carbonate and silica for facial cream formulation? 
My search told me:
Butylene glycol for decreasing viscosity.
dicaprylyl carbonate and silica: reducing grease and helping enhances the absorption of other ingredients.

Thank you so much for all inputs.


  • I worked with butylene glycol and I haven't noticed it decreasing viscosity. It's good and not expensive humectant. It is a glycol and decreases water activity which an additional benefit. I also find it less tacky than glycerin, so it is my humectant of choice for many o/w formulas.
    If you want something for decreasing viscosity (for formulas with polymeric emulsifiers) go for humectants that are high in electrolytes such as sodium PCA (it's a viscosity killer). But my problem is usually how not to decrease viscosity.
    Silica.. it's quite multipurpose. You can use it in a formula for oily skin indeed. Have a look at clinique's pep start moisturiser so see silica used for oil absorption. I mostly use it in foundations and concealers though.
    I haven't worked with dicaprylyl carbonate.
  • Thanks a lot @ngarayeva001
  • @ngarayeva001, would you please help me? I could not find silica and dicaprylyl carbonate in order to buy. Silica is INCI name?
  • Here you go: https://www.makingcosmetics.com/Silica_p_1061.html
    I cannot find dicaprylyl carbonate, but I understand it’s an emollient with a dry feel. You can replace it with any ester with a dry feel, such as Isopropyl Mirystate.
  • @ngarayeva001 thank you.
    can I substitute it with hemisqualane C13-C15 from Centerchem?
  • C13-C15 alkane 
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