Boric acid

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Boric acid, Inhaltsstoff für Lebensmittel

Not recommended

Weitere Namen

Orthoborsäure, Borat, E284




Boric acid is one of the few preservatives that are also antimicrobial in neutral environments. The physiological significance for humans of the element boron has not yet been clarified. Boron is, however, essential for plants.


Boric acid is formed during the chemically-synthesized production of boron compounds as a bleaching agent for the detergent industry.


Long-term ingestion causes diarrhea and internal organ damage.


  • The Consumer Initiative, (01/13/2017)
  • Consumer Advice Center Hamburg “What Do E-Numbers Mean?”,, 68th edition.

Boric Acid, Inhaltsstoff für Kosmetik

Hormonal effects


Boric acid



Stabilises the pH of cosmetics.


Renders cosmetics unpalatable. Mostly added to cosmetics containing ethyl alcohol.


Helps control the growth of micro-organisms on the skin.


Endocrine disorders such as damage to the male reproductive organs have been documented in animals. It is therefore on EU's endocrine disruptor priority list. The EU has also classified it as harmful to reproductive health and of very high concern.


  • European Commission, Cosmetic Ingredients & Substances
  • Friends of the Earth Germany (BUND)

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