Hair Dye Allergies:
Colouring hair has become very common today. Many people use hair dye regularly to hide grey hair or to try new looks. Some even apply hair dye at home without any expert help. However, health experts warn that frequent and careless use of hair dye can sometimes affect the body, including the kidneys.

Hair Dye Allergies:
Why Can Hair Dye Be Dangerous?

Many hair dye products contain a strong chemical called Para-Phenylenediamine (PPD). This ingredient helps the colour stay longer on the hair. Although it is widely used, PPD can cause problems if it enters the body. It may lead to skin allergies such as itching, burning sensation, or rashes. If the chemical gets mixed in the blood, the kidneys must work harder to filter it out. Over time, this stress can affect kidney health.

The skin on the scalp is different from other parts of the body. It has more blood vessels, which makes chemicals absorb faster into the bloodstream. Due to this reason, harmful ingredients from hair dye may enter the body more easily from the scalp.

How to Reduce the Risk

Safety measures can help protect your health while using hair dyes:

* Always do a patch test before using a new hair dye. Apply a small amount on your arm and wait for any reaction. If no allergy appears, it is safer to use.
* Do not keep the dye on the scalp for too long. Wash it off within the recommended time.
* Choose safer options like henna or indigo if you want natural colouring.
* If you must use hair dye regularly, select products labeled PPD-free and ammonia-free.
* Drink enough water and maintain overall kidney health.

Signs You Should Not Ignore

People who use hair dye often should watch for symptoms like tiredness, swelling, breathing difficulty, or skin reactions. These may be signs of an allergy or kidney stress. If such symptoms appear, visiting a doctor is the best decision.

Hair dye can be safe when used carefully. Following proper precautions will protect both your appearance and your health.

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