Home Cosmetic Science Talk Formulating Percentage of oil phase in lotion and cream

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  • Graillotion

    Member
    September 13, 2020 at 6:48 pm

    8-35%….hehhehe…

    You need to state your goals.  Question is too vague.  Maybe also list intended oils…as that makes a huge difference….even from refined to raw.  Even the choice of your emulsifier will determine how oily a certain percentage of oils will feel.  You can make a 12% oil lotion with one emulsifier that will feel oily….create a second batch with a different emulsifier….a totally different feel.  The choice of your fatty alcohol….will also change the feel or perception of oiliness. 

  • Graillotion

    Member
    September 13, 2020 at 6:51 pm

    I have a 35% oil phase in my last project….and it is super light and quick absorbing…..change 1% of that to castor oil…..and you have a mess…

    So many variables….the heavier the oils…the less you need.  When I say 35%, that is the total of the oil phase…. emulsifiers, slip and slide ingredients, fatty alcohols, butters and oils.

  • Abdullah

    Member
    September 14, 2020 at 5:27 am

    @Graillotion 
    The oils is extra virgin olive oil or coconut oil. 
    The emulsifier is Polyglyceryl-4 Laurate.
    Cetearyl alcohol or glyceryl stearate to increase the viscosity.

  • Graillotion

    Member
    September 14, 2020 at 6:06 am

    Abdullah said:

    @Graillotion 
    The oils is extra virgin olive oil or coconut oil. 
    The emulsifier is Polyglyceryl-4 Laurate.
    Cetearyl alcohol or glyceryl stearate to increase the viscosity.

    I think those are some heavy weights….so keep them low….lower than 14%.  There are things you can add to decrease their heavy feel.  I have not worked with heavy oils like that….so not much help.  I use a lot of esters and light weight oils.

  • ggpetrov

    Member
    September 14, 2020 at 11:32 am

    And what about the rancidity?

  • Abdullah

    Member
    September 14, 2020 at 1:27 pm

    @Graillotion can you name some ingredients to decrease there heavy feel? 

  • Abdullah

    Member
    September 14, 2020 at 1:29 pm

    @ggpetrov it will be in bottles with pump so less exposure to air.

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