Home Cosmetic Science Talk Formulating Chocolate face mask creates excessive redness and burning sensation

  • Chocolate face mask creates excessive redness and burning sensation

    Posted by Anonymous on December 19, 2016 at 11:55 pm

    Hi dear all,
     I am working on formulating a chocolate face mask with the following ingredients:
    Water, Glycerin, Resveratrol, Green Tea extract, Guar gum, Coconut oil, Shea butter, Cetyl alcohol, Soy Lecithin, Sunflower oil, Jojoba oil, CoQ10, Hyaluronic acid, Cocoa powder, Mixed Tocopherols, Chocolate extract ( flavor), Sodium Phytate, Sodium Benzoate, Benzyl alcohol, DHA.

    The pH of the finished product is 5.5, and yet when applied to face it creates a rather unpleasant burning feeling and deep redness of the skin in just couple of minutes. None of the ingredients I use is supposed to trigger such effect, and yet some combination of the components obviously does it. Can some one help me to recognize what exactly combination is that? 

    Thanks beforehand for an advise!

    johnb replied 8 years ago 4 Members · 10 Replies
  • 10 Replies
  • belassi

    Member
    December 20, 2016 at 1:13 am

    There are absolutely no other ingredients? No clay, for instance?

  • johnb

    Member
    December 20, 2016 at 11:22 am

    To give us a better idea about this product would you give us an ingredient list in order of quantity of each component. (I can’t believe that resveratrol is the third quantitative ingredient).

  • belassi

    Member
    December 20, 2016 at 2:14 pm

     (I can’t believe that resveratrol is the third quantitative ingredient).
    - Exactly, and not only that, resveratrol is not soluble in any of the listed ingredients.

  • Bobzchemist

    Member
    December 20, 2016 at 3:50 pm

    Have you tested each ingredient separately on skin yourself? Because “not supposed to irritate” isn’t at all the same thing as “doesn’t irritate in our tests”.

  • Anonymous

    Guest
    December 21, 2016 at 3:55 am

    1. I have certainly tested all ingredients separately: none of them is irritating. 2. There is no clay in the mask, because it is supposed to be nutritive rather then cleaning. 3. Resveratrol is used at 2 % and is dispersed in glycerin. Could it be that the concentration of it is high? Or maybe I should rather dissolve it in ethanol? CoQ10 concentration is  5%.

  • chickenskin

    Member
    December 21, 2016 at 4:08 am

    does it cause redness on other people as well?  lower your solvents, “fairy dust” in all the INCI claim materials, coq10/DHA/BzOH/etc etc

  • johnb

    Member
    December 21, 2016 at 8:17 am

    Please clarify what you mean by “mask”. There is little or nothing in your listing that would give body to the product unless it were present in an amount grossly in excess of the norm. Resveratrol at 2% seems an overdose, as does CoQ10 at 5%. What is the function of the cacao powder?

    In my opinion a revisit to the whole concept would be best.

  • Anonymous

    Guest
    December 22, 2016 at 1:33 am

    @ Johnb : “There is little or nothing in your listing that would give body to the product ” - disagree. I have  Coconut oil, Shea butter, Cetyl alcohol as thickener, and Soy lecythin as emulsifier. The whole mask feels, looks and smells yummy, like a chocolate. I will try to lower resveratrol and CoQ10 - see if it helps

  • Anonymous

    Guest
    December 22, 2016 at 1:36 am

    @ chickenskin: what do you mean by ‘Fairy dust’? Could you please clarify? ‘Benzyl alcohol & DHA’ is just a commonly used preservative (Cosgard), and I use it in many other products without any problems.

  • johnb

    Member
    December 22, 2016 at 1:31 pm

    Anahit: Your understanding of a “mask” is different to mine and, I’ll wager, a number of other members here.

    My meaning of giving body to the mask is the inclusion of either a clay material which dries and is then washed off, or of a film forming polymer which dries to form a peel-off film. There is no significant absorbtion of the bulk of a mask into the skin.

    The items you say give body might well give solidity to the product en masse but are normally classed as emollients and moisturisers intended to be left on.

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