Hex base is Propylhexedrine freebase freshly synthesized in a lab. Usually, Hex base is Propylhexedrine freebase with Lavender oil and Menthol (usually found in Benzedrex). Hex base is Benzedrex. You can inhale the Benzedrex inhalers, or start a Hex Lab to make Hex Powder (Propylhexedrine HCl).
Tony: I need hex base to make Math Jr. or Hex Powder.
Meo Cortex: Crash! I need the Hex base to make the Math Jr. Hex Powder and know way more math than basic stuff. Please, give me the Hex Base crash!