The abrasive ingredients in some types of whitening toothpaste may remove hair dye from your skin. Use a washcloth to gently ...
The trick? Finding a hair dye that delivers rich, natural-looking coverage without leaving your strands dry, damaged, or one-dimensional. With so many formulas on the market—permanent, demi ...
Hall's Vegetable Sicilian Hair Renewer advertisement. Warshaw Collection of Business Americana, Archives Center, National Museum of American History, Smithsonian Institution The Museum’s collection of ...
Background: Finding alternative hair dyes for individuals allergic to para-phenylenediamine (PPD) has been difficult. Newer permanent and demipermanent hair dyes that have replaced PPD with para ...
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 ...