Should also cosmetics and tablets be avoided which contain extracts of IgG positive foods?

Should also cosmetics and tablets be avoided which contain extracts of IgG positive foods?

Definitely yes. The skin is a very reactive immune organ which can absorb antigens. We have recognized that products on the skin or even inhaled antigens like lavender have led to symptoms. If you react to titanium oxide, eliminate all cosmetics and tooth paste containing TiO2. If you have high levels of IgG antibodies to milk products, avoid cosmetics like shower gel containing ingredients such as shea butter, milk protein and lactose.