I believe that he has none, I'm never so sure.
Yes, Andy does put product in his hair.
His voice and hair styles
Yes, when Andy Six was younger, he had blond hair. However, when he moved on into adolescence his hair became darker. Nowadays he still dyes his hair black.
forty-six layers
Blonde hair, blue eyes, tall for his age
Andy Six (Biersack) is an Omnivore
forty-six layers
5,989,786,675,676,599
Andy Six (now Andy Biersack) does not appear to have any children.
Andy Six doesn't have children.
Yes, as of 2011 Andy Six is single.
Andy Six is not adopted.