Although bentonite clay has actually been used by humans as an intestinal cleanser, some pet owners fear the idea that clay can enter their cats' intestines and cause dehydration and intestinal blockages.
Clearasil Daily Clear Vanishing Acne Treatment Cream: For those looking for a stronger level of benzoyl peroxide, this treatment contains 10% benzoyl peroxide and bentonite to soak up excess oils.
Silica litters have some advantages over bentonite clay litters and brands that boast biodegradable claims, but the silica litter variety has been scrutinized in the past for safety issues.
There are still many large-name litter manufacturers that produce clay litters, but many pet owners have become concerned about the safety of bentonite clay-based cat litter.
Some protesters of clay litters even theorize that bentonite can coat the intestines, preventing the absorption of nutrients and causing an overgrowth of unhealthy bacteria.
On the environmental front, bentonite litters are so good at clumping that many cities now ban them because they are clogging sewers and water treatment systems.
Murad Acne Clarifying Mask: The mask uses bentonite, kaolin and contains 4% sulfur to get rid of excess oils, unclog pores and kill acne-causing bacteria.
The controversy stems from the fact that bentonite clay litters may enter the lungs and digestive tracts of a cat and trigger negative effects.
Most scoopable litters are made with bentonite which is a variety of clay that has cement-like qualities when liquid is added.
There haven't been any clinical studies done on the effects of bentonite, so there is no firm proof one way or the other.