Home Cosmetic Science Talk Formulating 10% Cool down phase (Rosehip)

  • 10% Cool down phase (Rosehip)

    Posted by Thota on July 31, 2020 at 11:49 am

    My lotion contains around 10% Rosehip oil,
    I use Arlacel 165 as my emulsifier,

    In small batches I used to add it in the cool down phase along with panthenol. 

    Now my question is scaling up, planning to invest in a 150 kg vessel (with heating oil) with an inline homogeniser and an anchor stirrer. 

    Should I be worried if my cool down phase is more???

    I can add in oils in the inital stages but want to retain as much goodness as possible. 

    Any suggestions?

    Thota replied 3 years, 7 months ago 4 Members · 5 Replies
  • 5 Replies
  • EVchem

    Member
    July 31, 2020 at 1:30 pm

    The nice thing about percents is if it worked small-scale in theory it would work large-scale. Did you test stability on your smaller batches? The processing equipment will just have to mimic whatever worked for you before.

  • chemicalmatt

    Member
    July 31, 2020 at 6:11 pm

    As a rule - and others may disagree - an oil load that high should be incorporated with the primary o/w emulsifier in a separate phase, Arlacel in your case. Rosehip oil is pretty stable at 65 - 70C, and you won’t be elevating its temp for days, just a few hours or so. I’d change processing sequence.

  • Thota

    Member
    August 1, 2020 at 9:13 am

    Thanks a lot @chemicalmatt 
    But Cool down time of 20 kg batch is very less and cool time of 150 kg will be overnight.
    Will it increase oxidation of Rosehip oil?

    I have chiller options are available, but I havent invested in it?

  • graillotion

    Member
    August 3, 2020 at 4:29 am

    Are you adding any antioxidants to your formula?

    Any Rosemary oil extract?

  • Thota

    Member
    August 4, 2020 at 4:36 am

    @Graillotion

    Yes I do add rosemary Antioxidant 

    My oil phase,
    10% Rosehip oil
    10% Jojoba
    0.1% Rosemary Antioxidant
    0.2% mixed tocopherols 50%
    Emulsifier and Cetyl alcohol

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