Looking to treat my room, but I want it to be safe for health. From just breathing it (even if uncovered), handling it and in case my dog accidently eats some of it. What kind of material would be what I am looking for. Safe and non-toxic, yet a great sound absorber. I found out about UltraTouch Natural Cotton. It is supposed to be very safe, but I came across a comment from someone on another forum who said this stuff is heavily treated with borates, which is supposedly unsafe. I have no idea if the borates still are a health concern or if that stuff is barely existent within the insulation any longer to pose a danger. Someone with more knowledge able to determine if this stuff is safe for health? Or suggest any other safe acoustic treatment?