Home Cosmetic Science Talk Formulating Licorice root extract

  • Licorice root extract

    Posted by Dtdang on November 17, 2018 at 11:43 pm

    Anyone has experience with licorice extract? I plan to use it in my formulation.
    thanks in advance 

    Doreen replied 6 years ago 7 Members · 21 Replies
  • 21 Replies
  • belassi

    Member
    November 18, 2018 at 5:11 am

    Yes. What do you want to know? What sort of extract are you talking about?

  • Doreen

    Member
    November 18, 2018 at 9:53 am

    I have used licorice extract in the past.
    Lately, I only use the water soluble and colourless salt (dipotassium glycyrrhizinate) and the oil soluble ester (stearyl glycyrrhetinate), also colourless.

  • Dtdang

    Member
    November 18, 2018 at 1:39 pm

    @Belassi, @Doreen thank you for inputs 
    the research paper said licorice has natural chemical to inhibit the melanin process therefore it is good ingredients for brightening and anti dark spot due to hyperpigmentation.
    beside it is also has anti-acne
    i wonder that is it true? 

  • belassi

    Member
    November 18, 2018 at 5:11 pm

    Yes, it’s all good. Be careful who you source from, it’s no good buying very dilute extracts. I stock glycyrrhizic acid 98%, and synthesise dipotassium glycyrrhizinate using KOH, when I need it. And I use a fair amount of 12% (powdered root extract) for shampoo. It’s amazing in shampoo. I buy directly from China. Do NOT use acidic preservatives with the salt; it needs careful handling in formulation or it will reverse into water and insoluble forms.

  • Dtdang

    Member
    November 18, 2018 at 6:31 pm

    @Belassi thanks again.
    What your definition of “very dilute extracts”? 

  • ngarayeva001

    Member
    November 18, 2018 at 6:39 pm

    I have one from makingcosmetics mixed with glycerin and I suspect it’s as diluted as their resveratrol..

  • Dtdang

    Member
    November 18, 2018 at 6:48 pm

    @ngarayeva001, thanks. 
    Is it working as fading dark spot or dark circle under eyes?

  • OldPerry

    Member
    November 18, 2018 at 8:34 pm

    The problem with buying a licorice extract is you don’t have any way of doing QA/QC on the ingredient so you can’t really know what you’re buying. If there is some specific property you want to get from the licorice extract, you’ll be better off identifying specifically what chemical is responsible for the effect then buying that chemical. Extracts can be composed of pretty much anything & you’d have know way of knowing what you’re getting.

  • ngarayeva001

    Member
    November 18, 2018 at 9:43 pm

    @Dtdang I didn’t notice any effect at all, but I suspect that the material I have is very diluted.

  • belassi

    Member
    November 18, 2018 at 9:56 pm

    ^^^^ Exactly.
    If you have the pure acid or its salt, well, it’s obvious. Try doing a 100:1 dilution and tasting it. You will know.
    The 12% root is equally obvious. It is a yellow-brown powder with an intensely sweet licorice flavor. The saponins it contains appear to be synergistic with the surfactants I use, it does not settle out, but rather, makes the most amazing metallic effects with cold pearl, and its hair conditioning ability is remarkable.

  • MarkBroussard

    Member
    November 18, 2018 at 11:35 pm

    Most extracts are prepared with 8% to 10% pure extract in a Glycerin or Glycerin/Water base.

    If you have doubts, you can always as the manufacturer for a compositional analysis … most will be happy to provide one to you as this is also often necessary for properly preparing your Ingredient label  that contains multi-component ingredients.

  • Dtdang

    Member
    November 19, 2018 at 12:23 am

    @Belassi, @ngarayeva001, @Perry, @MarkBroussard
    THANK YOU SO MUCH FOR WONDERFUL INPUTS.

  • Dtdang

    Member
    November 19, 2018 at 12:37 am

    @Perry, now I realize that natural ingredients from extraction can not be controlled. 

  • Dtdang

    Member
    November 19, 2018 at 12:56 am

    @Perry, for example, glabridin is one chemical extraction from licorice, do you suggest where to buy it?

    Thanks

  • belassi

    Member
    November 19, 2018 at 4:28 pm

    Glabridin is available from China.

  • Microformulation

    Member
    November 19, 2018 at 4:36 pm

    Glabradin is also available in the US from Cosphatech LLC iWhite Glabridin INCI Glabridin.

  • Dtdang

    Member
    November 19, 2018 at 4:44 pm

    @Belassi, sorry I say this. Chinese products are known for cheap prices but not quality.
     I am staying away from China (main China)

  • Dtdang

    Member
    November 19, 2018 at 4:45 pm

    @Microformulation thanks 
    i will try it

  • Doreen

    Member
    November 23, 2018 at 9:11 am
    @Belassi
    Do NOT use acidic preservatives with the salt

    You only mean dehydroacetic acid, right? Or others as well?

    The potassium salt can handle acidic formulations very well. Paula’s Choice puts it in several liquid salicylic acid exfoliants (pH around 3.4). I always put it in my liquid 2% salicylic acid exfoliant at pH 3.7 - 3.9 and have experienced no interactions. The liquid remains crystal clear for half a year at least.

  • belassi

    Member
    November 23, 2018 at 3:19 pm

    I’ve only tested with dehydroacetic acid, it split the potassium salt (which was in solution) and precipitated lumps immediately.

  • Doreen

    Member
    November 27, 2018 at 10:41 am

    @Belassi
    Ok, thanks! Right after you shared that interaction back then on here, I immediately wrote it down in my notes, that’s how I remembered! :-)

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