Hair straightening products entail acute risk to kidneys

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Hair straightening products entail acute risk to kidneys

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The use of hair-straightening products containing glyoxylic acid is associated with a risk for acute kidney failure because of the accumulation of calcium oxalate crystals in the kidneys. The observation was made by a team of French researchers who tested the suspected straightening product on animals. The product is believed to be the cause of several episodes of renal damage in a young woman.

“The results on mice are striking,” study author Emmanuel Letavernier, MD, a nephrologist at Tenon Hospital in Paris, France, told the Medscape French edition. “They develop extremely severe acute kidney failure within 24 hours of applying the straightening cream. Samples show the presence of calcium oxalate crystals in all renal tubules.”