Home Cosmetic Science Talk Formulating Inclusion rate of Triethyl Citrate as a co-fixative.

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  • Inclusion rate of Triethyl Citrate as a co-fixative.

    Posted by Graillotion on March 25, 2020 at 3:41 am

    I am making a lotion with essential oils, and wanting to use Triethyl Citrate (TEC) as a co-fixative with Vanillin.  Was having trouble finding the use rates…. saw something like 1-5%?

    Since it is a bit of a pricey ingredient, I want to stay on the low end of inclusion….but not so low that I do not get a benefit!

    Any thoughts?

    Graillotion replied 4 years, 1 month ago 2 Members · 5 Replies
  • 5 Replies
  • Graillotion

    Member
    March 25, 2020 at 8:11 pm

    I made a sample last night with 1% TEC, and with an unscientific sniff test on my arm an hour after application…. I could still smell the EO’s quite well, where as previous batches, I mainly smelled just Vanillin after an hour! :) 

  • chemicalmatt

    Member
    March 25, 2020 at 8:44 pm

    Use in proportion to your fragrance and/or essentials. I think 1.00% sounds about right - and your nose does not lie. Also, triethyl citrate should not be very pricey, unless you are sourcing from an online ingredient site. Jungbunzlauer has a good position and sells it worldwide.

  • Graillotion

    Member
    March 26, 2020 at 6:52 am

    Use in proportion to your fragrance and/or essentials. I think 1.00% sounds about right - 

    Still a little confused…. I included 1% TEC based on all ingredients.  My Essential oils are 3% of all ingredients.  So you are agreeing with TEC at a rate of 1% of total?….. or 1% of the 3% EO’s???  Please clarify.  Thank You.

  • chemicalmatt

    Member
    March 26, 2020 at 4:54 pm

    Use 1.0% TEC in the total formula.

  • Graillotion

    Member
    March 26, 2020 at 8:25 pm

    Use 1.0% TEC in the total formula.

    Thank You!  You have been wonderfully helpful!

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