Underneath the potion master jacket, wear a white collared shirt. This should show a little underneath the unbuttoned high collar of the jacket. Snape uses a polished black wand. It has a few ...

It seems highly unlikely that such a person would never use a potion to get what he wants. We've seen Severus Snape give Barty Crouch Jr., Veritaserum 1 and make Wolfsbane for Professor Lupin ...

Severus Snape (Alan Rickman) was the Potions Master at Hogwarts when Harry, Ron Weasley, and Hermione Granger arrived, and quickly positioned himself as an enemy of the trio, especially of Harry.