For Normal, Oily, Combination Skin Types
 
Clay usually has a negative electrical charge. ResearchTrusted Source suggests that this negative charge may help it bind to positively charged toxins and heavy metals like mercury and lead found in environmental pollution.
 
Clay masks have the potential to absorb oil from your skin and prevent mild forms of acne, such as pimples, blackheads Trusted Source, and whiteheads. These types of acne form when your pores are clogged with excessive dirt and oil.
Benefits
Unclogs the pores.
Inhibits excess oil production.
Fights acne.
Draws out skin impurities like a magnet.
Boosts blood circulation.