Unwanted skin infections, metal toxicity, and even cancer… Those are just some of the reasons we remain wary of tattoos and ...

People often regard it as a traditional natural hair dye and conditioner practice ... about the side effects before applying ...

or synthetic dyes to enhance colour longevity and intensity. These additives can cause severe allergic reactions, scalp burns, and hair damage over time. Black henna, often marketed as an ...

“Hair dye allergy typically starts at the hairline ... patients who are allergic to both PPD and PTDS need to avoid hair dye or use henna-based products, she added. Looking ahead, more research ...