Home Cosmetic Science Talk Formulating Help with an SPF15 serum formula

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  • Help with an SPF15 serum formula

    Posted by katerinak on June 15, 2020 at 12:22 am

    Hi all!

    I’m looking at creating an SPF15 serum for personal use - the formula is from the Institute of Personal Care Science:

    Water to 100%
    Glycerine 5%
    Keltrol CG-SFT 0.6%
    XPCoco65 20%
    Dermofeel Sensolve 6%
    Fluidifeel Easy 3%
    Ephemer 1%
    Naticide 1%
    Dermofeel Toco70 0.5%

    They indicate that if you can’t get XPCoco65 you can use 13% microfine zinc oxide dispersed in 7% coco caprylate/caprate - I don’t have coco caprylate/caprate and am trying to figure out what can be substituted.

    It is my understanding that it is an emollient with silicone-like skin feel. Could I use a silicone alternative like Hydrogenated Ethylhexyl Olivate (and) Hydrogenated Olive Oil Unsaponifiables? Or would it be possible to simply make a dispersion in something like Caprylic/Capric Triglycerides?

    The zinc oxide powder I have is the Z-Cote HP1 which is oil soluble.

    Many thanks in advance!

    katerinak replied 3 years, 8 months ago 2 Members · 2 Replies
  • 2 Replies
  • markbroussard

    June 15, 2020 at 12:45 am

    You can use either CCT or C 12-15 Alkyl Benzoate as a carrier for the ZnO

  • katerinak

    June 15, 2020 at 12:54 am

    @MarkBroussard thanks so much! 

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