Multiple stages can really extend the missile's range by gradually sloughing off some of the weight, but the nuclear warheads they're designed to carry are still very heavy.
And just places like that. That can really help eliminate using too much product on your face and, um, getting that cakey feel or your foundations like sloughing off because of that.
I didn't want to be one of those kind of women, you know, sloughing things off onto coworkers because of a pediatrician appointment or a dance recital. I get really neurotic about putting people out.