Naked Cosmetics Mineral Eye Shadow Cabernet Blush
Life is full of coincidences. I spoke of oxidation last Friday, and today I’m going to review the ingredientlist of the Naked Cosmetics Mineral Eyeshadow Cabernet Blush collection. The ingredientlist is quite short;
Mica, [+/- Silica, Tin Oxide, CI 77891, CI 77489, CI 77491, CI 77492, CI 77499, CI 75470, CI 77510, CI 77288]
According to the description of the loose eye shadows, they contain 100% oxidized Mica. Note that the product doesn’t contain just mica, because there would be (almost) no colour. The 100% reflects that the Mica is 100% oxidated. I have to admit, as a scientist, it actually doesn’t sound very pausible, because there is always a little bit left that didn’t undergo a reaction. A very good example is ethanol, the most common alcohol. Higher than 96% procent ethanol is just not possible, because it will disintegrate to a level of 96%.
Anyway, back to the Mica.
Oxidized Mica is a silicone. Mica itself is a silicon, and with the addition of oxygen, it becomes a silicone. There are some Mica’s known that don’t contain silicons, but I have never come across them (yet). It gives the product it’s shine and is a good base for a loose eyeshadow. In it’s non oxidized state, it gives the eyeshadow it’s sparkle and shine.
If I look at the first “may contain” ingredient (as usual, “may contain” can be read as “yeah, it is actually in it”) it is Silica. This kind of backs up my theory that the mica isn’t fully (100%) oxidized, but there is still some residue left. It won’t harm you anyway. Tin oxide, as wikipedia and my gut tells me, is added in small doses as a reducing agent, causing the mica to oxidize. In a redox reaction (as it is officially called), a oxidizer and a reducer are necessary. One cannot live without the other (wait, did J.K. Rowling say something like that – In case you’re wondering, I’m re-reading the series. Again). Don’t worry if you don’t get it, it cost me two years to get it.
Then on to the pigments. CI 77891, or Titanium dioxide (no, these eyeshadows will not give you the necessary SPF or work as thickener – the concentrations are just simply to low for that) is white. CI 77489, or Black 7489, is a brown-to-black synthetic colour. CI 77491, or Ferric Oxide is a brownish red color. CI 77492, or Iron oxide hydroxide is a yellow pigment. CI 77499, black iron oxide is well, black. CI 75470, is carminic acid (yes, made from bugs) and gives a red colour. CI 77510 is Ferric Ferrocyanide and blue. Last one is CI 77288, chromium oxide green, which is green. Together, they create the lovely colors of the Cabernet blush collection.
(Note: these are now € 32,95 which means 25% off, to get them click here)
Until next time,
Dymphy
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