Scleroderm is an alchemy ingredient in The Witcher 2: Assassins of Kings. While this plant grows wild and is quite abundant, it can also be purchased. Merchants who sell scleroderm include:
- Anezka in Lobinden
- Vilmos Bartok in Flotsam
- Mottle outside Vergen
- Sambor in the camp followers' encampment
- Myron in the Kaedweni camp
- Relic peddler in the Kaedweni camp
- Felicia Cori in Vergen or Loc Muinne
- The Incredible Lockhart in Loc Muinne
- Marcus in Loc Muinne