By Claudia Fisher There's a bigger difference between lotion and other moisturizers than you might think. Slathering lotion all over your body has probably become second nature if you're worried about drying out your skin, especially after showers when you're supposed to try to trap as much moisture in your skin as possible. Unfortunately, winding up with enough lotion on your body for a DIY Slip 'N Slide isn't necessarily the same as moisturizing.