Measure of the amount of hair per square inch on the scalp. Hair density is also referred to as light, medium or heavy. Hair density is also commonly defined as thin, medium or thick.
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.