I just looked at one of the recent progress photos, and frankly it's clearly not the same guy. Hair and tattoo.
https://www.instagram.com/p/CY_1LRKFvxL/
What is this about?!
Answer
In the comments the guy says he got a hair transplant and the tattoo is a bruise. I can understand, after I lost a bunch of weight I started focusing on other things like my hair and teeth too and the tattoo looks like a bruise.