Dr. Sweckleton's Pure Castille Soap. Where this comes from, they call it "thoap."
- Soapy Fricker, the guy in the tub at The Fricker Gang's Hideout (if you ask him to pass you the soap).
- Purchased from Breadwood Trading Post
- Purchased from Buttonwillow's Store
- Purchased from Dirtwater Mercantile
- Purchased from Wanderin' Sally's Camp (encounters 1 and 4)
- Possibly acquired from an assembled crate in Danny's Tannery
- Inside the two crates of generic items in the Jelly Bean Thieves' Hideout
- Randomly, among various other rancher supplies