Background: Finding alternative hair dyes for individuals allergic to para-phenylenediamine (PPD) has been difficult. Newer permanent and demipermanent hair dyes that have replaced PPD with para ...

The vast majority of reactions to hair-dye products are caused by PPD. [4–6] In past years, PPD was used in permanent hair dyes but not in semipermanent dyes. More recently, PPD has been used in ...

Permanent hair dyes are the most frequently used professional hair dyes and are most commonly based on paraphenylenediamine (PPD) or related chemicals. PPD is known to be one of the most potent ...

The response fights off the allergen, which the body sees as an invader. The chemical in hair dye that is most likely to cause an allergy is called para-phenylenediamine (PPD). PPD is found in more ...

We use Organic Colour Systems’ hair colour,' says Crighton. 'It contains a fraction of the amount [of PPD and PTD] in comparison to traditional dyes. The absence of ammonia also ensures we ...

Chemicals in hair dyes may cause allergies for some people. Around 38% of people who color their hair report having an allergic reaction to hair dye. The most common allergic reaction to hair dye ...

“The most common allergen is paraphenylenediamine or PPD and is found in over 99% of permanent hair dyes. You may or may not be aware that it has been a legal requirement for all hairdressers to ...

Henna is a dye that is commonly used to stain the skin orange. Originating from the middle-east these tattoos are becoming increasingly popular. To make the tattoos look more like 'real' tattoo's a ...

Pursuing a flawless appearance leads us to explore various products and treatments, with hair dyes being among the most popular. However, behind the promise of vibrant, youthful strands lies a ...

It’s also free from harsh chemicals like ammonia, resorcinol and PPD (paraphenylenediamine), commonly known ... Still, mastering the art of hair dyeing at home can be seem daunting. To help make ...