From YPPedia

Potions are objects which can be used by players to do different things, most potions are meant to affect the appearance of your pirate. All potions can be purchased at an apothecary and are stored in a potions section of the booty panel. The Whisking potion is unique because it can be used multiple times before running out.

Potion Types

• Potions to go places:
  • Whisking potion - Whisk to another Island you've visited before
• Potions to Change your Appearance:
  • Beard control wax
  • Universal hair dye
  • Hair control tonic
  • Skintone elixir
  • Leg regenerating draught
  • Hand regrowth salve
  • Patch-eye remedy
  • Cure-all elixir