For some reason it seems that the lotions I've made several weeks ago are separating - as I squeeze them out of the container, water comes out! This has happened with two separate bottles of lotion, made at different times, from different ingredients. I don't understand why it's happening now. My concern is, of course, that the lotions have gone bad or are going bad. How can you possibly know when a lotion has gone bad? I'm afraid that the perfume would mask any off-smells.