Thinking about Make-Up

I have a friend that is training as a theatrical make-up artist and she works a lot with prosthetic make-up. So I thought it was an idea to ask her for some advice. 

I had a Google and found this.

Pre-mixed black latex.

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and this.

Unmixed Pigment.

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I had a think and decided that having pigment would be a better plan, as I have a load of latex and I could determine the colour better. As a pigment I used for the fabric was really dark green I also bought this green pigment to mix into the black and create a similar tone.

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After thinking about it I decided that this will take too long to dry on my models face so changed it to