When should I use Prime for Perfection?

Prime for Perfection can be used for the following reasons:

• To prepare hair for permanent color by removing previous color and evening out the surface of the hair so color can take evenly and predictably.
• To remove permanent color buildup from darker areas, typically ends of hair and front hairline as a result of previous color applications.
• When changing color from a brunette shade to a red shade.
• When changing color from a red shade to a brunette shade.