We've long held the theory that no matter how it's shaped, waxed, or oiled, a full, lustrous beard [1] takes a cute guy to full-on sexy [2]. Now, there's concrete, visual evidence to support us. The hashtag #beardtransformations has revealed a legion of smoking-hot dudes [3] who are documenting their journeys from smooth to hairy, and the after shots are just too sizzling not to share. Read on for the proof — and good luck getting your guy to grow a beard [4] in time for Valentine's Day!

Badass Beard

Smoldering Scruff

Funky Facial Flair

Beard Life

Blondie Beard

Bearded Bro

Wintry Whiskers

Lush and Lovely

Sleek and Shiny

Bulky Beard

Sultry Scruff

Sculpted Scruff

Manly Makeover