Philly Pretzel Factory's one published ingredient statement, for the pretzel dough, lists potassium bromate twice, along with bleached flour, mono and diglycerides, guar gum and L-cysteine. There is no seed oil in it, but 29 of their 32 menu items publish no ingredient data at all.
Philly Pretzel Factory publishes exactly one ingredient statement, for the pretzel dough, and it is worth reading. It lists Potassium Bromate twice - once in the bleached enriched flour and again in the dough conditioner. Bromate is a flour oxidiser banned in the EU, UK, Canada, Brazil and China, and California banned it in food effective 2027 under AB 418. It is still legal federally. The rest of the dough is bleached flour, mono and diglycerides, guar gum, L-cysteine and an unnamed enzyme blend, so it is a short list but a commercial-bakery one, not flour water salt and yeast. The good news is there is no seed oil in that published statement, so a plain pretzel with no dip looks like a seed-oil-free order. The catch is that 29 of their 32 menu items - every dip, the pretzel dogs, the sausage, the melt - have no ingredient data at all.