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ToxicFree Foundation / Ingredient Database / Boric Acid
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    Boric Acid


    Boric Acid

    What is it?

    Boric acid has mild antibiotic properties against fungal or bacterial infection. Boric acid ophthalmic (for the eyes) is used as an eye wash to cleanse or irrigate the eyes. Boric acid provides soothing relief from eye irritation, and helps remove pollutants from the eye such as smog, chlorine, or other chemicals.

    More Information

    Routes of exposure
    The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. 

    Inhalation risk
    Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly when dispersed. 

    Effects of short-term exposure
    The substance is irritating to the eyes, skin and respiratory tract. The substance may cause effects on the gastrointestinal tract, liver and kidneys. 

    Effects of long-term or repeated exposure
    Repeated or prolonged contact with skin may cause dermatitis. Animal tests show that this substance possibly causes toxicity to human reproduction or development.


    This ingredient is commonly used in: