The vast majority of permanent hair dyes used across the US and Europe feature the aromatic amine p-phenylenediamine (PPD).
The majority of permanent hair dyes used in the US and Europe contain the aromatic amine p-phenylenediamine (PPD). A growing ...
Subtle, nuanced, chic—color melting is the hair trend set to take 2026 by storm, with everyone from Amal Clooney to Daisy ...
The majority of permanent hair dyes used in the US and Europe contain the aromatic amine p-phenylenediamine (PPD). A growing ...
Permanent hair dyes often contain PPD, a chemical that can trigger allergic reactions, skin issues, and, in rare cases, ...
During a candid conversation at the Royal Variety Performance, the Princess of Wales shared how she achieved her ...
On November 14, 2025, Ludwig Ahgren hosted a multi-hour charity livestream to honor the memory of Kanabana, one of his ...
My semi-permanent hair colour has left my scalp itchy. I have washed my hair with T-gel shampoo, but it is still itchy. Are there any products which are less likely to do this?