1. Lead

• Other Names:

  • Pb (chemical symbol)

  • Plumbum

  • Lead acetate (often used in hair dyes)

2. Mercury

• Other Names:

  • Hg (chemical symbol)

  • Mercurous chloride (Calomel)

  • Thimerosal (a preservative in some cosmetics)

3. Arsenic

• Other Names:

  • As (chemical symbol)

  • Arsenic trioxide (used in some cosmetics)

4. Cadmium

• Other Names:

  • Cd (chemical symbol)

  • Cadmium sulfate

  • Cadmium chloride

5. Aluminum

• Other Names:

  • Al (chemical symbol)

  • Aluminum chlorohydrate (common in antiperspirants)

6. Nickel

• Other Names:

  • Ni (chemical symbol)

  • Nickel sulfate

  • Nickel chloride

7. Thallium

• Other Names:

  • Tl (chemical symbol)

  • Thallium sulfate

8. Beryllium

• Other Names:

  • Be (chemical symbol)

  • Beryllium sulfate

9. Copper

• Other Names:

  • Cu (chemical symbol)

  • Copper sulfate

  • Copper peptides (used in some skincare)

10. Zinc (Although Zinc is generally beneficial, some forms can be toxic in high concentrations)

• Other Names:

  • Zn (chemical symbol)

  • Zinc oxide (often used in sunscreens, can be problematic if contaminated)