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Oranges contain other antioxidants that keep Vitamin C from oxidizing such as other vitamins (A, B complex) flavonoids and glutathione.    

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@tanelise please keep updating us about this stirrer 

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Thank you for sharing @Belassi 

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Great article, thanks @Perry 

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One should try Ostrich oil and see what is the outcome. @Doreen81 you may give it a try including it in your day cream or night butter!
@Zink you should try it too 

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@Belassi thank you very much 

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@Belassi would you please explain the rule of 6?

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I agree with @Doreen81 and @Microformulation you need a laminar flow and even with that you need to sterilize the whole container (preferably glass) after packaging with gamma ray.    

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I have a friend who is doing Master’s research on the same subject MAA in Japan, but from non pathogenic bacteria. 

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25% Zinc oxide is way to high, it even exceeds the OTC %
good luck in incorporating 25% in your formulation 

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@Belassi is right, you have made soap not cream
Simply you can test your product, take some and mix it with water and see if it does foam or not, the rest is obvious. 

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Hello @sven
here is the PDF that you are looking for. 

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Thanks @Belassi, @Bill_Toge, @Zink 

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What about DMSO “dimethyl sulfoxide”, has it been used in cosmetic as solvent?
I did use it experimentally in lab animals during my studies as solvent for some herb oil extracts and also in formulating topical pesticides for pets (as skin penetration aid)

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In my culture people use Henna not only to dye their hair, but also to get the benefits as hair tonic. What interesting is they mix the Henna powder with brewed coffee or tea claiming it makes their hair shiny, smooth and have better volume.

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@luukheum I
will try to answer your 1st question.

UVA & UVB are the most common rays that affect our skin.
UVB has short wave length and it can reach the outer layer of our skin, the
epidermis, whilst UVA has longer wave length that can penetrate deeper and
reach the dermis. 

Now UV through photo-oxidation triggers the production of ROS
(Reactive Oxygen Species) or free radicals which in turn triggers the
production of melanin to protect our skin against UV damage.  

The antioxidants (skincare functional) like vitamin C will
neutralizes those free radicals and temporarily decreases the production of the
skin melanin so the skin appears brighter/ lighter. At the same time, the
antioxidants will protect the skin from photo-oxidation damage aka aging effect
again via free radicals neutralization effect.

I hope its clear enough and answers your question.  

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Hi @ozgirl I did use lemongrass water extract (more of a decoction) in body wash before, it was successful and we still produce the same body wash with the same decoction. 

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@Doreen81 it is a fairy dust, that we know, others don’t know  :p and that what marketing have been playing on.
@Belassi great explanation, you have nailed it on the head 

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search this: RonaFlair® White Sapphire – A Touch of Luxury

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Hi guys
@Belassi is right, its inert filter in some of the CC creams from Korea, look at Chriszen Roller Moist Cream that contains synthetic sapphire 
02 honey beige
Ingredient:
water, butylene glycol, ethylhexyl methoxycinnamate, titanium dioxide (c1
77891), cyclopentasiloxane, ethylhexyl salicylate, cyclohexasiloxane, butylene
glycol, dicaprylate/dicaprate, niacinamide, cetyl peg/ppg-10/1 dimethicone,
zinc oxide, dipentaerythrityl hexahydroxystearate/hexastearate/hexarosinate,
talc, cetyl dimethicone/bis-vinyldimethicone crosspolymer, sodium hyaluronate,
octyldodecyl stearoyl stearate, polyglyceryl-4 isostearate, dimethicone,
magnesium sulfate, disteardimonium hectorite, biosaccharide gum-1,
dimethicone/vinyl dimethicone crosspolymer, trihydroxystearin, caprylyl glycol,
triethoxycaprylylsilane, aluminum hydroxide, phenyl trimethicone, hydrogenated
starch hydrolysate, allantoin, dimethicone crosspolymer, hydrogenated lecithin,
synthetic sapphire, glycerin, caprylhydroxamic
acid, adenosine, glutathione, ceramide 3, aloe barbadensis leaf juice powder,
saccharide isomerate, hydrolyzed extensin, sorbitol, lecithin, panthenol,
glycosyl trehalose, tocopheryl acetate, glyceryl linolenate, glyceryl linoleate,
retinyl palmitate, sodium ascorbyl phosphate, glyceryl caprylate, xanthan gum,
hydroxypropyl cyclodextrin, iron oxides (ci 77492), iron oxides (ci77491), iron
oxides (ci 77499), ethylhexylglycerin, phenoxyethanol, disodium edta,
fragrance.

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I agree with @Bill_Toge “allantoin is not oil-soluble” 
ZMG, is that Zinc Monoglycerolate?

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@Bobzchemist thank you 

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Guys, for the lip stick & lip gloss containers, is it necessary to sanitize them before filling?

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I forget to mention that dog’s skin is very sensitive and different from human skin as it has less keratinized epidermis compare to human epidermis and the epidermis turnover cycle in dog is about “20 days” compare to “28 days” for human epidermis.
That is why pet’s grooming aid products “pet’s personal care products” are very gentle when it comes to formulation.  

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Thanks @Lainee and @Doreen81