How can bleaching for hair be harmful

When the hair is light enough, you can then add on hair dye to temporarily change your hair colour. Here are some things I wish I knew before colouring my hair. Artificial hair dye can cause skin irritation such as redness, sores, itching, and burning. This is mainly due to ammonia alkalizing agent and hydrogen peroxide oxidizing agent which are the most damaging chemicals.

The effects are more serious when swallowing these toxic chemicals. Besides mouth, throat, and stomach irritation, it can also lead to severe vomiting.

If the dye gets in your eye, it can even make you blind. This is why instructions say you should not use colour on your eyebrows and eyelashes. Help us delete comments that do not follow these guidelines by marking them offensive. Let's work together to keep the conversation civil. A weekly guide to the biggest developments in health, medicine and wellbeing delivered to your inbox.

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How does your zodiac sign flirt? Anyone who has ever hoped to achieve Daenerys Targaryen-style bleached-blonde hair is intimately familiar with just how long, arduous, and damaging the process can be. Or why those post-bleach tresses suddenly seem fuller and more voluminous, only to turn brittle and break off later?

Turns out, bleaching in any capacity is both an art and a science — a technique involving dozens of variables and producing varying results. Luckily, the more you understand about it, the easier it is to figure out how to care for your hair. As trichologist Dr. To help us with this lightweight chemistry crash course, we enlisted Kingsley and several experts in the field.