Tag formaldehyde free hair straightening dangers

This tag highlights articles on the hidden dangers of formaldehyde-free hair straightening products, including chemical risks, scalp absorption, and potential kidney injury.

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From Smooth Hair to Failing Kidneys (The Hidden Risk of Glyoxylic Acid in Hair Straightening Treatments)

Glyoxylic acid chemical structure diagram showing its molecular bonds

Hair straightening treatments marketed as “formaldehyde-free” may still pose serious health risks. Medical evidence now links glyoxylic acid exposure to acute kidney failure through scalp absorption and oxalate toxicity.

Aisha Saleem
January 6, 2026

From Smooth Hair to Failing Kidneys (The Hidden Risk of Glyoxylic Acid in Hair Straightening Treatments)

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