Related Clues:

• Caustic agent in soap
• Lutefisk-curing need
• Oven-cleaner ingredient
• Animal fat used in candles
• A strong alkaline solution
• It's used in making soap and candles
• Substance in candles
• Animal oil used in candles
• It's used in candles
• It's so caustic it's just not true, by the sound of it
• It does not sound true that this can make one caustic
• With a pound of this you may become caustic.
• A high cry of pain, perhaps, from Greece, by the sound of it
• It's caustic to sound so deceitful
• It does not sound true that this could be so caustic