Hair dyes can be an exciting way to refresh your look, but understanding their risks ensures you make informed beauty choices ...

Indigo powder, derived from the natural indigo pigment extracted from the indigo plant, is renowned for its use in dyeing fabrics and has gained considerable popularity in the hair dye industry.

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 ...

Using mehendi frequently for hair coloring can lead to excessive dryness, hair thinning, allergic reactions, and difficulty ...

A chemical compound used in many permanent hair dyes has been named Allergen of the Year for 2025 by the American Contact Dermatitis Society (ACDS). Toluene-2,5-diamine sulfate (PTDS) is an ...

A mom went into anaphylactic shock from the contrast dye used in her CT scan, causing her to die within 90 minutes of its ...

Citing Neal’s Yard Remedies’ hair treatment as “great for managing symptoms,” Maguire enjoys how the included rosemary, ...

Mehendi, commonly known as henna, has been utilized for centuries as a traditional colourant, natural hair dye and ...

Frequent hair colouring can cause significant hair damage, scalp irritation, and hair thinning due to harsh chemicals. It is linked to long-term health issues and environmental concerns.