& those warnings can prove invaluable when dealing with pets. never ever use essential oils of any kind on your pet bird of any size. they are not equipped with a system which can handle the oils. i've heard horror stories about tea tree & other oils used on birds which caused untimely death & extreme...
the reason i recommend % concentration or less is that some essential oils are solvents or can discolor fabrics etc. mainly these are the citrus oils (i never understood why some companies put citrus essential oils into their laundry detergent formulas, since they are mild solvents and can affect the...