• After two hours, sunscreens that include some zinc oxide can lose effectiveness, become toxic

    11 days ago - By ScienceDaily

    Sunscreen that includes zinc oxide, a common ingredient, loses much of its effectiveness and becomes toxic after two hours of exposure to ultraviolet radiation, according to scientists.
    Read more ...

     

  • Can Mineral and Chemical Sunscreens be Mixed?

    Can Mineral and Chemical Sunscreens be Mixed?

    11 days ago - By Medindia Health

    Mixing mineral and chemical sunscreens can limit your protection against ultraviolet A. Use sunscreens, but be careful to avoid mixing sunscreen with zinc oxide, as it can increase the toxicity of the product.
    Read more ...