What is it? I am trying to make a fairy cake, that has shimmering wings. However, I am not sure what I need to use to make is shimmer. I have seen lots of cakes on this site that have that "look". I am hoping someone out there will give me an idea.
Thanks! 
I used lemon extract with luster dust and it worked well too. It has a high alcohol content, which is what you want. That's why vanilla works, too. I think some people use vodka as well. The alcohol evaporates and leaves the luster instead and the surface you're painting doesn't get soggy.
I had so many luster dust questions too...and finally I dove in and purchased some in Rose Pink, Silver and some Pearl Dust...I gotta say the pearl dust is what I use the most. It depends on what color you are painting it onto. I had a white gumpaste flower and painted it with the pearl dust and yes it comes out looking as shiny and smooth as a pearl only it has a definite shimmer.
I mix it with lemon extract (you can buy this at any grocery store far as I know) it was suggested by someone here on the forums because it is the only thing that Colette Peters uses. It works well, but evaporates quickly as will anything with 84% alcohol...
Take one of those little white plastic paint palettes they have for acrylic paints and just tap some of the dust into it and I use a dropper to put in the extract...then mix with a paintbrush until you have your desired consistancy. Use quick and only use the amount you need. I also used it dry (the pearl dust) and it gives a very subtle shimmer to MMF. I can't wait to buy more of this stuff and play with it!
Hope that helps!
Mixee
What about cake sprinkles. They come in different colors but I would use the plain one. To get more sparkle and lest sprinkles, you need to open the container and crush the sprinkles with a clean spatula right in the container. It a good idea to keep the paper cap in one piece and then after you crush the sprinkles and replace paper cap and top, just punch out the paper of a few holes. Really makes a difference than just using the sprinkes as is.
Rose
I use the edible glitter and it is really sparkly. I love the look of luster dust but haven't found it anywhere except online and the shipping from the US is always so much . The edible glitter comes in many colors but so far I have only tried the white and I love the look of it on my cakes . 
Liz
In Britain we use a dust called Bridal Satin. We brush it on dry and it gives a fantastic pearly sheen to cakes. It is made by Orchard Products. I don't know if it's available over there but the store I use does ship abroad although I don't know what prices will be like. Follow this link to find their web page
http://newlook.design-a-cake.co.uk/
Liz
There is an online store in Ontario called goldas kitchen. The shipping isn't bad and they carry tons of things including luster dust. There's a big labor day sale starting tonight at 8 and all day tuesday(just got an email). I have been ordering from them for years and have never had any problems.
Sandra
@ Miss Baritone
Nice to see some products recommented that I know
I love the Bridal Satin too, but I don´t know if the dust is permitted in the US. Some of the ingrdients in the UK colors are not allowed overthere (but I don´t know exactly witch one).
As I buy most of my incredient, colours, tools etc. in the UK I must say, be carefull with the postage!!! The British Mail is really quick but also really expensive. So in the meantime I prefer to buy from the US although I have to pay custome fees.
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