Frequent hair colouring can cause significant hair damage, scalp irritation, and hair thinning due to harsh chemicals. It is ...

ACDS tapped toluene-2,5-diamine sulfate for its dual nature as both an allergen and an alternative to other compounds.

A man from Blackburn, Ryan Briggs, recently shared his terrifying experience after suffering a severe allergic reaction to hair dye that left him resembling the animated character ‘Megamind'.

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 ...

Hair dyes can be harmful to the hair and body as they can cause hair breakage, scalp irritation, hair loss, and other damage.

Women who regularly use permanent hair dye may be putting themselves at increased risk of bladder cancer, new research findings suggest. The study is the first to show that how often you use hair ...

While mehndi enhances hair colour naturally, it may also cause dryness, allergic reactions, irritation, and texture changes.

buildup that’s accumulated on the scalp can create a barrier between your hair and the hair dye. So, once the color is applied, it can lead to inconsistencies in the coverage, and make the hair ...

A new lawsuit claims that a hairstylist developed bladder cancer from working with a dye chemical for decades ... There are tens of thousands of reactions of this type used in organic chemistry. This ...