The Best Hair Changing Color Dye Ideas. Wash your hair 24 to 48 hours before dyeing. Sectioning your hair will allow you to apply the product evenly so that.

Separate your hair into four even sections. Web hairstylist desirae blais and marie claire editors recommend semi permanent hair dyes, a.k.a. Web safety tips tl;dr “mood changing” hair dye uses stabilized thermochromic ink molecules that shift when heated or cooled, creating a surreal color changing special effect.