i wanna switch foundations. what do i do with the old one?

Asked: i wanna switch foundations. what do i do with the old one?so at first i used bare minerals and then i decided to switch to clinique anti acne foundation. now i decided i dont really like that one too much cuz it looks like a weird consistency on my face (idk maybe im not applying it right....but whatever!!). anyways.....so im gonna go back to my bare minerals which i still have but what do i do with the clinique? it seems like a waste to either throw it out or just have it sitting in my drawer feeling sad and lonely. haha. what to do what to do.....oh and while i've gotcha here,

acne