During 8 years of laboratory work, we have proven that sunflower husk litter does not cause allergy in animals or humans, because it contains a negligible amount of protein.
There are two types of sunflower husk:
1. After squeezing: sunflower oil
2. After the process of separating: the grain from the husk.
For the production of Naturally Non Allergic it is recommended to use the second type of sunflower husk. The reason is that this type of sunflower husk has much less protein. This is the basis of the fact that Naturally Non Allergic does not cause allergies in animals or humans.