Originally Posted by Jigster715

Hopefully you got the right quaker oats style content feedback from Zenra. Its what studios we work with use. A mixture of porridge etc and safe food coloring if needed. People also use blenders to get the consistency they need.
Syringe is also on the right track. If this is serious and on a regular shooting schedule we can pick up one for you from a supply house here and send it. Unused should be fine in the mail.
Anything bigger than a finger will hurt without prep.