When food proteins enter the body through microscopic skin holes, the immune system may activate the allergic pathway by producing IgE antibodies.

“so all of a sudden in the air you have dust that might contain hazelnut protein or in this case peanut protein and that comes settling in and it goes through this hole and our body has a very prehistoric way of dealing with this right back to those parasites so they it comes in by just passive um irration it drops down on the skin the body tries to pick it up and say and it tries to sense this just like I explained in terms of the immune system those macras are like what the heck is this is this good or bad and then it says wait this is bad this is not I'm not supposed to have food through my skin I'm supposed to have food through my gut so the cell takes it up and activates the allergic pathway because it thinks it's a parasite it thinks it's a mosquito bite so what happens is it takes it up and makes this molecule called IG from that B cell”