So I grew my hair out and rocked it for about two years. I hated it...im now back to a 1 guard, and going sly this weekend before I fly home. I'm doing the 30 day challenge this time though, but I'll need some encouragement. I'm very nervous about the white tan line im about to reveal but I need to get this done. How long does it typically take to fade into the same tone as your face??Opinions / thoughts?