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.

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 ...

My hair doesn’t need humidity or rain to become frizzy: If I don’t layer my oils and serums just so, my hair can look remarkably shrublike just one day after washing it. That’s because it ...