So I just wanted to do a little PSA for soap makers out there. Last week I was headed on a flight to St. Louis to my sister's wedding. I was bringing along about 40lbs of soap because my family and some of their friends wanted to buy my soap and since I was headed there and figured I'd save on shipping costs I packed my bags with soap. I had about 20lbs of soap in each bag, one checked, one carry-on. The checked bag went through, no issues. But when it came to the TSA check point they pulled my bag because of an unknown biomass. I had a box full of wrapped and labeled soap bars in my carry-on. They asked what it was and I explained that it's lye based soap and that I made it. They open the box and swab the packages but because it was lye based it flagged and set off the alarm from residual sodium hydroxide. They then unwrapped the soap and swabbed it directly and again an alarm. I told them this would most likely happen especially since one batch was less than 48 hours old and I knew it would test positive for sodium hydroxide. Since the alarm went off the supervisor was engaged and he pulled out the box of soap and had to visually inspect every bar. He unwrapped every bar of soap, looked at it then put it in another bin. After inspecting all 40ish bars of soap he then handed me the bin of soap and said I was good to go. It had taken me hours to wrap and label all of that soap and then pack it so it wouldn't shift in the box. All I could do was just wrap the same scents together in a bundle and toss out the extra wrapping and tuck all of the soap back in the box the best I could. Some had fancy soap icing tops and got damaged unfortunately. On top of that all of my labels were lost for the most part. Thankfully my customers understood what had happened and I re-wrapped the bars once I got to my sister's house in parchment paper and just hand wrote the labels. Because I was flying with so much soap and my bag couldn't weigh over 50lbs I split the soap but in the future I will probably just check an extra bag rather than have TSA undo all of my work. So when traveling with lots of soap, check it, don't carry it.