Indigo powder is a natural hair dye with a long history of use, but it can cause allergic reactions in sensitive individuals. Those with dry, flaky scalps should avoid it, as it may worsen their ...

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 ...

While Mehendi is a popular natural hair dye and conditioner, it's crucial to be mindful of its potential side effects.

Cross-reactions are common among the three compounds ... Patients with PTDS ACD should be warned that alternative hair dyes marketed as natural or organic may still contain PTDS and PPD, so ...

However, the possibility that she suffered a rare allergic reaction to a chemical in the dye will be investigated in a post-mortem examination. Tabatha’s grandfather John Bell, 59, said she had no ...

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

but some people may be sensitive to dyes such as carmine, Red 40, or Yellow 5 and develop an intolerance or allergic reaction to them. An allergic reaction to food dye can be mild or severe.

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.