Wella Color Charm Long Lasting Semi-Permanent Haircolor has been a favorite with professionals for decades! Don't forget to pick up the Color Charms Activating Lotion for optimum results! Color Charm Long Lasting Semi-Permanent Haircolor With C3 Complex. Color I Condition I Care Color and Chemical Service on the same day. If you previously used presentation Haircolor, look for our suggested shade in the NEW! Color Charm Long Lasting Semi-Permanent Haircolor range.Don't forget to pick up the Color Charms Activating Lotion for optimum results. Note: Color application after a chemical service requires a careful analysis of the condition of the hair and scalp. Do not proceed if the scalp shows signs of irritation or if the hair is overly porous and shows signs of damage.