go vegan for a month and let us know how your seb derm is doing.

lots of fruits, veggies, legumes, herbs.

keep spices at a moderate level.

no oils.

carbs should be at 80% of diet.
fat at 10%.
protein at 10%.

also avoid gluten for the time being.

there is no other way to fix this issue.

u have to go on this diet for 6mo-1 year to reverse the damage your diet throughout the years has caused.