Is it possible that your bp has an allergy to one of those products?
I was thinking that it could be a possibility that he is allergic or has a hypersensitivity to something in those products. Unfortunately, there is no way to determine that prior to using them.
1.0 Mojave 100% Het VPI Axanthic "Pleepleus"
1.2 Albino Common Snapping Turtles "Beavis, Patty & Selma"