warping

Hello. I was hoping I could get some troubleshooting/advice from you guys. I purchased some plastic cosmetic tubs from Bulk Apothecary to use with my shave croap. The problem I am having is when I fill the jars about half of the time they warp in the middle giving them an hourglass like shape...

Hi everyone! I`m not a new soaper, but I`m new to this forum and don't know all the ethics yet. Frustration with this soap brought me here. It started with the urge of making soap one evening when I found out that I ran out of Olive oil. I had only 2 liquid oils to use in amounts I needed for...