Hair resists penetration of chemical treatments such as coloring, waving, straightening or similar treatments. Gray hair may sometimes resist the addition of hair color. Some hair textures may not take perms or other chemical treatments. A variety of factors can cause hair to be resistant.
Daily Hair Tip
In a Clairol Professional survey 33% of the respondents reported that they preferred to have their hair colored in a salon rather than risk doing damage at home. 50% of the participants said they liked their colorists best because of friendliness while only 38% valued good advice about haircolor or the fact that the colorist kept up on the latest trends.