dreaded orange spots

Hi lovely Soapers, I wanted to reach out about the DOS. I have three 4 oz bars out of about 15lbs of soap that have one DOS mark. They are from different batches, all made 1+ year ago. They were not next to each other. They were handled by hand without gloves. They are stored on a glass...

I seem to find that some recipes tend to prodigiously produce these nasty looking spots after some time while other recipes seem immune to the issue. All my soaps are made and stored the same and all come from the same source for ingredients. I do tend to put a fairly large variety of...