Human hair is composed of cells that are organized into three distinct layers. The three layers of hair include the cuticle or other layer, the cortex of the middle layer and the medulla or the inner layer.
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.