It's safe enough to be used in hand-degreaser, hair coloring and toilet bowl cleaners. Throwing around the term "safe" is not really helpful. Safe to handle is

It's safe enough to be used in hand-degreaser, hair coloring and toilet bowl cleaners. Throwing around the term "safe" is not really helpful. Safe to handle is different than safe to drink and the truth is much more complicated than that. Nearly everything is "safe" or "toxic" the difference is in the quantity that makes it into our body.