Related Clues:

• Spine-tingling
• Mother-of-pearl
• Scrape treatment
• Goiter treatment
• Seaweed product
• It's a relief
• Least active of the halogens
• First-aid item
• Medicine cabinet item
• Painkiller
• Thyroid treatment
• Hypothyroidism preventer
• Seaweed extract
• Relief provider
• Item in some medicine cabinets