List Of How Long Dye Hair Last Ideas. Permanent dye is the longest lasting dye. Many things must be done, including avoiding exposure to intense sunlight, not combing.

Web so, how long does permanent hair color last? This is the only type of dye that will cover grey hair, spearman explains, and it needs to be used in tandem with what’s called developer, which is a product that helps the hair. How long does hair botox last?