I sometimes use rubber stamps on my cookies. I work in emergency medicine so asked one of our physicians if there was any risk. He said that as long as no rubber shreds get onto the cookie or icing, it should be o.k. The risk is for people who have rubber allergies.
When I stamp mine, I just pour some gel color on waxed paper, smoosh it around, then tap the stamp on it, just like a stamping pad. Works fine. Then I just outline and flood.
If I'm working on fondant, I don't use any color. I just stamp, then paint with luster or petal dust.
Good luck.
I have tried the stamps and they can work really well. I read that you can get a dry felt stamp pad and use food coloring on it. I haven't been able to find one yet (just check Michaels). I'll try Fairytale's method with the gel colors. Fairytale, what about the luster dust and the petal dust with the non toxic and for decoration use only (it says that on the containers). I love the look but I am afraid to use it because of this warning. I have never heard of anyone getting sick from ingesting petal dust (I guess it is because of the metal content and the build up in a person's body - would have to eat a lot of cookies or cake) and I know it is considered safe in Europe but I just don't like seeing that notice on the containers. Anyone ever say anything to you about using them? Just wondering.
I have used the foam chunky stamps and I have used stencils on MMF covered cookies. (both in my pics) Walmart has a Chinese word stencil in the art section that is small enough for cookies. I of course have no idea what it says--(could say DON'T EAT THIS COOKIE) 
I have tried the stamps and they can work really well. I read that you can get a dry felt stamp pad and use food coloring on it. I haven't been able to find one yet (just check Michaels). I'll try Fairytale's method with the gel colors. Fairytale, what about the and the petal dust with the non toxic and for decoration use only (it says that on the containers). I love the look but I am afraid to use it because of this warning. I have never heard of anyone getting sick from ingesting petal dust (I guess it is because of the metal content and the build up in a person's body - would have to eat a lot of cookies or cake) and I know it is considered safe in Europe but I just don't like seeing that notice on the containers. Anyone ever say anything to you about using them? Just wondering.
The stamp pad would work perfectly, but you have the problem of what to do when you want to change colors. Lot's of clean-up with each color. Plus, I'M CHEAP.LOL. The stamp pad does work perfectly though.
Yes, I'm the petal and luster dust queen. The works "for decorative use only" mean nothing to me.LOL. Actually, petal dust is just chalk. You would have to eat an awful lot of this stuff to have any ill affects.
Here is a cake I did completely painted in luster dust.
Would you paint the luster/ directly on the MMF dry or do you mix the dust with colorless alcohol first before applying? I've read so many different tips and posts that I'm getting myself confused!
Thanks!
If you just want highlights, brush it on dry. Also, if you wanted your entire surface a single color, (pearl for example), you could put it on dry. This cake was done wet. The best thing to use is lemon extract because it has a high alcohol content, plus oil. It helps the luster dust paint on evenly. You can use vodka, but that has a tendency to streak a little. However, either will do. The only down side to the lemon extract is that sometime your surface won't dry. I find that sometimes happens when I paint with gold dust.
dydemus,
I've used the small sponge rollers on my stamp. (purchased at Hobby Lobby) It worked perfectly. I had more control of the food color that went onto the stamp. On a paper plate I put a drop of color and mixed it with vodk. (stir together) then worked the roller across the plate until the sponge was covered. Then to the stamp. I was happy with the way it turned out since it was a wet/dry stamping.
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