Ah! Based on your description—looks like a bar of soap, made of solid metal, no smell—this is almost certainly a “stainless steel soap bar” (sometimes called odor remover soap). Here’s the full explanation:
1. What It Is
- Made of stainless steel, shaped like a bar of soap.
- Unlike real soap, it doesn’t lather or smell.
2. What It Does
- Removes strong odors from your hands, such as:
- Garlic
- Onion
- Fish
- Spices
- Works by binding sulfur compounds from the odor-causing foods to the steel surface, neutralizing smells.
3. How to Use
- Wet your hands.
- Rub the stainless steel “soap” for 30–60 seconds, just like you would with regular soap.
- Rinse hands with water.
- Hands should smell neutral.
4. Why It’s Popular
- No chemicals, fragrances, or harsh detergents.
- Can be kept by the kitchen sink for instant odor removal.
- Durable—doesn’t wear down like normal soap.
💡 Fun Fact:
This idea dates back decades, but the concept became popular in the U.S. in the late 20th century, often marketed as a “miracle odor remover.”
If you want, I can explain why rubbing metal actually removes odors from garlic and onions at a chemical level—it’s a neat little chemistry trick!
Do you want me to do that?