Related Clues:
- Cause of some skin burns
- Alkaline soap ingredient
- Grammas' _____ soap
- Stuff used to cure green olives
- Caustic drain opener
- Sodium hydroxide, familiarly
- Strong sodium solution
- Strong cleaning solution
- Disinfectant chemical
- A corrosive
- Soap chemical
- Soap maker's need
- "Hospital smell" chemical
- Harsh cleanser
- Strong alkaline solution