With no cutting required, these clip-ins offer a true, instant style switch ... blend back into your own hair. Thanks to its human hair construction, you can dye the fringe, curl or straighten ...

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 ...