I had this same question and apparently "zirconium" fits.
Zirconium
Zinc
Sodium Hypochlorite is the active ingredient in most bleaches.
Steel is an alloy, consisting mostly of iron, with a carbon content between 0.2 % and 2.04%, depending on the grade and quality. Carbon is the most cost-effective alloying material for iron, but various other alloying elements are used such as manganese, chromium, vanadium and tungsten. so the active ingredient in steel is iron
The most common ingredient in anti-dandruff shampoo is Selenium Sulphide.
Zirconium is said to be an active component of poison ivy. It is also an alloying agent of steel. Zircon is the mineral from which zirconium is extracted.
Oxycodone is the active ingredient .
the active ingredient is DEET
the active ingredient is sildenafil citrate
Cyanoacrylite is the active ingredient.
No, it is a compound. Household uses of acetone are as the active ingredient in nail polish remover and as paint thinner.