智研咨询 组织编撰的 《2025-2031年中国对苯二胺行业全景调研及投资前景展望报告》 （以下简称“《报告》”）是中国 对苯二胺 ...

p-Phenylenediamine, the allergen of the year? Why now? Granted, p-phenylenediamine (PPD) has been the leading permanent hair coloring agent or oxidative hair dye in most of the Western world since ...

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 ...

There are a number of different reasons for this — the most common of which is the hair dye itself. Despite this fact, nearly ...

Para-phenylenediamine (PPD), commonly used in permanent hair colouring, is added to natural henna to boost colour intensity ...

Harmful chemicals are pervasively used in fashion production and the health effects are undeniable. What is toxic clothing?

But if you've dyed your hair before, there's a chance you've also had some experiences with minor skin—and hair color chemicals such as ammonia and P-phenylenediamine (PPD) could be to blame.

I diagnosed her with an allergy to para-phenylenediamine, an ingredient in certain styling products she used at the salon. Her skin recovered as she avoided this chemical. A careful medical ...

Patients with skin of color vs White patients have higher patch test positivity to some allergens, including acrylates, dyes, and rubber accelerators.

An itchy scalp can be a frustrating and uncomfortable experience. It can lead to scratching, which can further irritate the scalp and even damage hair follicles. There are several common causes of ...

Funding, fish and friendly cooperation were some of the themes of the first River Rendezvous hosted by the Friends of the ...