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Using Trex in place of coconut oil

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  • Using Trex in place of coconut oil

    Hi, I'm extremely new to soap making as a hobby and looking into finding out more about ingredients used in soap. I hear all the time that coconut fat is recommended for a good lather but I happen to have a huge chunk of Trex (solid vegetable fat, used as a replacement for lard in vegetarian cooking) in the fridge, which has a very similar texture and look to coconut fat. I would use the Trex for making shortcrust pastry but post-Christmas everybody is watching their waistline, so I was wondering if anyone has heard of/had any experience substituting it for coconut oil in soap-making.

    This is the recipe I'm going to use:
    http://www.channel4.com/4homes/how-t...w-to-make-soapI notice that it says you can substitute stearin for the coconut oil. On this website, Crisco (a North American vegetable shortening) appears to have saponification values very similar to stearin: http://www.soapcalc.net/calc/OilList.asp
    Last edited by thestitchandfold; 07-02-2013, 03:18 PM.
    http://thestitchandfold.etsy.com

  • #2
    As I am not sure which vegetable oil Trex is made from - and their website doesn't help - unless it is listed on your soap calc you wouldn't know how much NAOH (Lye) to use

    Personally I would stick with oils that you know/can find out sap values for.

    Jane
    www.just-soaps.com
    Twitter JUSTSOAPS
    FB www.facebook.com/pages/Just-Soaps/258910018463
    Natural Handmade Olive Oil Soaps and Skincare free from SLS, Parabens, and other Nasties

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    • #3
      hi,
      I have just started making CP soap and could not find a solid pure vegetable oil apart from Crisp 'N Dry. I contacted the company and they told me its rapeseed oil and palm oil. of course as the conscientious crafter i wanted to make sure that the rape seed was not GM and that the palm came from a sustainable source. I've only made 3 batches and i have combined it with coconut oil and olive oil my first batch is now 3 weeks old and the ph from the lather is 8 which i think is pretty good, but dont know what else could happen to it in the next 3 weeks curing time. advice please or any comments.

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      • #4
        Thanks Jane, that's sound and safe advice. Yes, I know Trex is not very clear on what "vegetable oils" they use; and that is most annoying. However, I was naughty (hee hee) and decided to experiment make half the amount stipulated in the recipe, using Trex in place of coconut oil. I used pH strips (Johnsons') to test my handmade soap (which is now about 4 days old) as well as another handmade soap I had purchased, Cidal soap and Imperial Leather soap. According to the pH strips, they are all around pH 9, which is promising. I will post in a few weeks time about how well the soap works.

        Well done for making sure that the palm was sustainable beesoaper - however being a newbie myself I cannot comment much further. I hope someone else can help you.
        http://thestitchandfold.etsy.com

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