So I just made this batch of soap and I am using a new mold I haven't used before. I am gelling the soap and I went to quickly peek at it and noticed is is bulging ever so lightly in the middle. I've used this recipe before and the fragrance oil. The only thing new it a single mica, Saffron from Workshop Heritage and this new mold with lid, also from Workshop Hertigage. Any ideas what that bulge is?? I was soaping around 85-90 degrees when it went into mold.
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