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- A French student, Estelle, had a severe reaction to a paraphenylenediamine (PPD) hair dye.
- The 19-year-old woke up and found that her head had swollen three inches in one night after losing her hair from blonde to brunette.
- She was treated at the hospital, where doctors said that reactions to the DPP were quite common.
A French student said her head swelled a lot after a severe allergic reaction to hair dye.
Estelle, 19, told the Parisian that the reaction had occurred two weeks ago when she wanted to turn from a blonde into a brunette with a dye based on paraphenylenediamine (PPD).
But in the hours and days that followed the application of the hair dye, her scalp began to itch and her head began to swell.
The swelling occurred after a pharmacist told him to use antihistamines and cream to stop the itching.
She woke the next morning to find that her head circumference had reached 63 centimeters (25 inches) – the average being 56 centimeters (22 inches).
"My forehead had doubled in volume," said Le Parisien Estelle, who did not reveal his last name. "My head was like a light bulb."
Seeing the size of Estelle's head, her mother took her to the emergency room, where doctors said that reactions to the DPP were quite common, although they were generally not not as serious as those of Estelle.
According to Newsweek, PPD is present in 90% of hair dyes, but the concentration of this chemical has been regulated since 2013.
The doctors administered an adrenaline injection to Estelle and watched her all night to make sure the swelling was decreasing.
Read more: Which hair dye will last the longest – we test 3
For Estelle, the experience has been terrifying.
"Before you arrive at the hospital, you simply do not know how long it will take to suffocate, whether you have time to go to the hospital or not," she declared to Le Parisien.
According to the National Health Service of the United Kingdom, hair dyes containing PPD are safe as long as safety instructions are followed.
The organization suggests doing a patch test to make sure there is no serious reaction before using it on the hair.
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