Considering it's designed so you're Snaps are mostly your face, no.
Tumblr's the Social Network for uglies

Find me a Tumblr profile, with legit selfies, that focus on face rather than bodies, and you'll be searching hard for numbers.
Snapchat is mostly for confident people. Nearly everyone I know who is self-conscious and not confident in themselves, either haven't got it, or have like a small amount of people.