Natural preservative replacement for Germall Plus

Hi, 

I made an emulsion with Heliosoft/Siligel. The pH is 5.25-5.5.     

I have always used Germall Plus in my emulsions, so they have been 99.5% natural. I love Germall Plus, it's solid!

If I were to replace Germall with a natural broad spectrum preservative, what are some options that people have gotten good results with? 

My Contract Manufacturer is suggesting Linatural MBS-1 ( (Propanediol, Ethylhexylglycerin, Potassium Sorbate) or Troycare FE01(Iodopropynyl Butylcarbamate and Phenoxyethanol). 

I have heard not so good things about Linatural, and I am not familiar with Troycare. 

What are your thoughts/suggestions based on your experience? 

Thank you so much!

Comments

  • PerryPerry Administrator, Professional Chemist
    Of those two, Troycare sounds preferred. At least it has some reasonable preservatives in it.  Linatural...not so much.  Those are preservative "boosters". 
  • edited March 28
    @Perry Thank you! I would prefer not to swap Germall Plus, but I am concerned about the bad rep formaldehyde releasers have for the average customer
  • @Perry Is there another option you would recommend aside from Troycare?
  • I'm kinda Coocoo for cocoa puffs...but here is the program I use...and my crap last for years and years.

    E 9010
    +
    TSGD aka GLDA
    +
    Hydroxyacetophenone
    +
    4.8 pH (and 5.2 when using HydroVance)

    A nice jag of glycols, especially Pentylene glycol, but also a splash of 1,2-hexanediol, caprylyl glycol.
    +
    phenethyl alcohol (as several of my products are creams).

    As you can see....the hurdle approach is used...except for the creams...: where I drop the ball with packaging. :) 

    So my big recommendation for you...would be lower your pH to 4.5 to 4.8, as you are almost to the safer zone. That will take you miles.  Never hurts to toss a kiss of TEC in there as well...just to keep everything minding their P's and Q's.

    Aloha.

  • Troycare FE01 is my favorite
  • @Graillotion Wowza! Thanks for the secret sauce recipe ;-). Never would I have put all of those things together. What does TSGD aka GLDA stand for?

  • @ Abdullah Thank you ;-)
  • @Graillotion Wowza! Thanks for the secret sauce recipe ;-). Never would I have put all of those things together. What does TSGD aka GLDA stand for?

    That is a natural chelate.

  • PhilGeisPhilGeis Member, Professional formulator
    GLDA is  biodegrable not natural.  Synthetic product of glutamic acid.
  • Abdullah said:
    Troycare FE01 is my favorite
    Where do you get yours from? Do you know any resellers? I can't find it in quantities less than 45 lbs and that is much more than I need. 

  • AbdullahAbdullah Member
    Abdullah said:
    Troycare FE01 is my favorite
    Where do you get yours from? Do you know any resellers? I can't find it in quantities less than 45 lbs and that is much more than I need. 

    I am not currently using it but i will when i finish my caprylhydroxamic acid stock.
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