Home Cosmetic Science Talk Formulating Preservative for anhydrous products?

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  • Preservative for anhydrous products?

    Posted by rifah on March 23, 2021 at 9:47 am

    What would be a good preservative for an anhydrous product like a lip balm? I know its not entirely necessary but I would feel better if I added one. 

    I’m thinking an oil-soluble preservative won’t be great as it won’t be active if water is introduced. Also wanted to avoid turning it into an emulsion.

    Any recommendations? 

    singhc10 replied 3 years, 1 month ago 4 Members · 3 Replies
  • 3 Replies
  • Sincityfire

    Member
    March 23, 2021 at 10:30 am

    I haven’t used this preservative before but I was looking at it when making a shower oil:

    Suprapein® - 8570 / Plantaserv S:

    INCI: “Origanum Vulgare Leaf Extract (and) Thymus Vulgaris (Thyme) Flower/Leaf Extract (and) Cinnamomum Zeylanicum Bark Extract (and) Olea Europaea (Olive) Leaf Extract (and) Rosmarinus Officinalis (Rosemary) Leaf Extract (and) Mentha Piperita (Peppermint) Leaf Extract”

    Claims to be broad-spectrum, to be used in oil based formulas that might incidentally come into contact with water.

    Perhaps others might have some more insight if they have any experience with it.

  • PhilGeis

    Member
    March 23, 2021 at 12:55 pm

    Suggest you save your money.  “Broad spectrum” is a marketing claim for preservatives - you’ll be hard pressed to find any that don;t inlcude this boiler plate.  For the other claim - ask for data, AND ask for data showing consistent chemical composition to spec for each batch.

  • singhc10

    Member
    March 26, 2021 at 10:34 am

    you could use Euxyl PE 9010 or blend of Parabens

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