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Home › Cosmetic Science Talk › Formulating › Skin › Austrailian Gold SPF - Anhydrous?

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    Austrailian Gold SPF - Anhydrous?

    Posted by TheSocksTooBig on August 25, 2022 at 5:45 pm

    Hello everyone, 

    I was wondering if the austrailian gold spf is an anhydrous formula. Does anyone have experience using Alumina at such a high level?

    Active Ingredients

    • Titanium Dioxide 4%
    • Zinc Oxide 4% Sunscreen

    Inactive Ingredients

    Alumina, Butyrospermum Parkii (Shea) Butter, Caprylyl Glycol, Cetyl PEG/PPG-10/1 Dimethicone, Cyclopentasiloxane, Dimethicone Crosspolymer, Disodium EDTA, Disteardimonium Hectorite, Eucalyptus Globulus Leaf Extract, Glycerin, Hexyl Laurate, Iron Oxides, Panthenol, PEG-10 Dimethicone, Phenoxyethanol, Polyglyceryl-4 Isostearate, Polymethylsilsesquioxane, Porphyra Umbilicalis (Red Algae) Extract, Silica, Squalane, Stearic Acid, Terminalia Ferdinandiana (Kakadu Plum) Fruit Extract, Tocopheryl Acetate*, Triethoxycaprylylsilane, Water

    *Vitamin E

    https://australiangold.ca/shop/botanical-spf-50-tinted-face-3oz-fair-to-light/

    Thanks, 

    K

    ketchito replied 2 years, 3 months ago 5 Members · 5 Replies
  • 5 Replies

  • ozgirl

    Member
    August 25, 2022 at 10:46 pm
    It contains water so it is not anhydrous.
    Sunscreen is classified as a drug in the US and it has different labelling requirements compared to cosmetics. The inactive ingredients are listed in alphabetical order and not by concentration. You will not be able to determine the amount used from the ingredients list.

  • Squinny

    Member
    August 26, 2022 at 6:50 am

    Hi I had a little look at some formulations available on another Chemist Forum and it seems from my research (and by no means do I have the particular answers I though looking at these formulations may help you decide approx % for what is in the product you are looking at - but I think if you are a home formulator you would have little chance of sourcing all the ingredients - Anyway here are a few formulations for a Liquid Foundation, and a sunscreen w/o emulsion to view. I personally would not attempt to make a sunscreen even for myself - but out of interest check these out and see if it helps your question. Sorry have to do this in 2 sections as cant get 2nd table to work otherwise when I cut and paste. BTW I think the Alumina is part of a belnd that you would buy like this one which one formulation had at 25% of the total
    C12-15 Alkyl Benzoate; Titanium Dioxide; Alumina; Polyhydroxystearic Acid; Isopropyl Titanium Triisostearate/ Triethoxycaprylylsilane Crosspolymer 

    Ingredients % Function
    Sunscreen w/o emulsion
    ZINC
    OXIDE, DIMETHICONE, DIPHENYLSOLIOXY PHENYL TRIMETHICONE, DIMETHICONE.VINYL
    DIMETHICONE CROSSPOLYMER, POLYGLYCERYL-2 ISOSTEARTATE

    		 24.00% UV Filter
    TITANIUM DIOXIDE, HYDRATED SILICA, ALUIMINUM HYDROXIDE, HYDROGEN
    DIMETHICONE, ETHYLHEXYL PALIMATE    		 16.00% UV Filter
    C12-15 ALKYL
    BENZOATE    		 11.00% Texture Improver
    PURIFIED
    WATER     		 10.75% Solvent
    GLYCERIN  10.00%  
    DIMETHICONE/PHENYL
    VINYL DIMETHICONE CROSSPOLYMER, DIPHENYLSILOXY PHENYLTRIMETHICONE

    		 10.00% Texture
    Improver
    POLYGLCERYL-10-DECAISOSTEARATE 4.75% Dispersion
    Polyglyceryl-5
    Polyricinoleate    		 5.00% W/O Emulsifier
    Polyglyceryl-20
    OCTADECABEHATE/HYDROXYSTEARATE    		 3.00% Dispersion
    Polyglyceryl-6
    Octastearate (and) Glyceryl Behenate    		 2.00% Emulsiification,
    stabilizing
    POLYMETHYL
    METHACRYLATE    		 2.00% Texture
    Improver
    PENTYLENE
    GLYCOL    		 1.50%  
    PH BUFFER
    AGENT     		 q.s.   
    Total 100.00%  

  • Squinny

    Member
    August 26, 2022 at 6:52 am

    2nd formula is the liquid foundation example: 

    LIQUID
    FOUNDATION    		 % Function?
    PURIFIED
    WATER 

    		 29.10% Solvent
    CYCLOPENTASILOXANE

    		 15.80%  
    DIMETHICONE/PHENYLVINYLDIMETHICONE
    CROSSPOLYMER, DIPHENYLSILOXYPHENYLTRIMETHICONE    		 10.00% Texture
    Improver
    GLYCERIN  10.00%  
    PARAMETHOXYCINNAMATE2-ETHYLHEXYL  7.00% UV Absorber
    Polyglyceryl-20
    Octadecabehenate/Hydroxystearate    		 5.00% Thikening
    Polyglyceryl-6
    Polyricinoleate    		 5.00% W/O Emulifier
    IRON OXIDE
    DISPERSION     		 4.80%  
    Polyglyceryl-10
    Decaisostearate    		 4.00% Dispersion
    SILICA  2.40% Texture Improver
    Polyglyceryl-6
    Octastearate (and) Glyceryl Behenate    		 2.00% Emulsification,
    stabilizing
    PENTYLENE
    GLYCOL    		 2.00%  
    TITANIUM OXIDE
    DISPERSION     		 1.68%  
    DISTEARDIMONIUM
    HECTORITE     		 1.20%  
    PH BUFFER
    AGENT     		 q.s.   
    Total 99.98%  

  • PhilGeis

    Member
    August 26, 2022 at 9:54 am

    This is mislabeled.  As both a drug and cosmetic, inactive ingredients must be offered in descending order by content - not in alphabetical order.

  • ketchito

    Member
    August 26, 2022 at 10:52 am

    @TheSocksTooBig @Squinny is right. Alumina usually comes as a blend with TiO2 as a stabilizer, to reduce its catalytic potential. 

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