First you start shaving ounces, then you start shaving grams. At some point, you'll have to scrutinize the little stuff. For example, right now I'm trying to figure out the lightest bottle for contact solution. I'm guessing 1 fl. oz capacity should be enough for most of my hikes. (I really should start quantitating how much I use). The smallest I've found are the 2 fl. oz bottles, such as this one:
I'm also thinking of ditching my chapstick and just use suncreen for my chapped lips. Thoughts?

