Few details are known about Hair-Raising Potion. As the name suggests, the potion causes the imbiber’s hair to stand on end. That’s about it.
Oh, and one of the ingredients is an unspecified number of rat tails. No one knows why, and we’re all happier that way.
Much happier.
Related Drugs: Deflating Draught, Mandrake Restorative Draught, Pepperup Potion, Polyjuice Potion, Skele-Gro & Swelling Solution.