I had this same question and apparently "zirconium" fits.
Zinc
An alloying agent in steel is carbon, which increases the hardness and strength of the steel. An active element in steelmaking is oxygen, which can react with impurities in the steel to form oxides and improve the overall quality of the steel.
The most common ingredient in anti-dandruff shampoo is Selenium Sulphide.
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 alloying agent in steel is carbon, which increases the strength and hardness of the material. The active ingredient in poison ivy lotion is usually calamine, which helps to soothe and relieve itching caused by exposure to poison ivy. The silicate referred to is likely garnet, which can have a cubic crystal structure but is not indefinitely stable due to weathering and erosion.
Oxycodone is the active ingredient .
the active ingredient is sildenafil citrate
No, it is a compound. Household uses of acetone are as the active ingredient in nail polish remover and as paint thinner.
the active ingredient in mentos is pepsi
The active ingredient in Revolution for cats is selamectin.
The active ingredient in synthroid - Levothyroxine Source: rx2040. com
there is no active ingredient in spinach why is because that its just a vegetable.