Related Clues:
- Strong drain cleaner
- Burns the midnight oil for everyone in drag
- Alkaline solution
- Caustic drain-opener
- Grease dissolver
- Everyone in drag is fat
- Corrosive cleaner
- Strongly alkaline solution for washing or cleansing
- Strong base
- Food-curing chemical
- Hydroxide
- Burn cause, perhaps
- Candle or soap base
- It's KOH, chemically
- Candle, soap, fat