Ammonium chloride safe?

[Aprilxoxo]

here are a couple more:

thank you. Much bigger list and had ammonia solution in it

 

[casportpony]

thank you. Much bigger list and had ammonia solution in it

And is it okay to use?

 

[Aprilxoxo]

And is it okay to use?

Says topically so i suppose XD

 

[casportpony]

There's this, too.