Asked in Acids and Bases
Acids and Bases

Is citric acid good for humans?


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Citric acid is recognized as safe for use in food by all major national and international food regulatory agencies. It is naturally present in almost all forms of life, and excess citric acid is readily metabolized and eliminated from the body. Contact with dry citric acid or with concentrated solutions can result in skin and eye irritation, so protective clothing should be worn when handling these materials. Excessive consumption is capable of eroding the tooth enamel. Close contact to the eyes can cause a slight burning sensation, and may cause loss of sight. Sometimes a high concentration of citric acid can damage hair, since it opens hair cuticles. It can strip the hair of needed minerals and bleach it