Does semi permanent hair dye have PPD in it?

Semi-permanent hair dye can contain PPD (p-phenylenediamine), but it often varies by brand and formulation. PPD is commonly found in permanent dyes and some semi-permanent options, as it helps achieve darker shades and longer-lasting color. However, there are many semi-permanent dyes specifically formulated without PPD for those with sensitivities or Allergies. Always check the ingredient list if you have concerns about PPD in a particular product.