Hair Cross Section

Caucasian hair can be straight wavy or curly.
Hair cross section. Lift hair from your scalp when straightening the top layer. It is the shape size and curve of the follicle that determines the profile of each hair. A small cone shaped elevation located at the base of the hair follicle that fits into the hair bulb.
The cuticle which consists of several layers of flat thin cells laid out overlapping one another as roof shingles. Smooth hair with the. After separating small sections of your top layer of.
Oval round cross section w moderate diameter. Caucasian hair density is the highest of the three ethnic categories and is therefore the fullest. The core or medulla typically 5 10 µ in diameter is surrounded by the cortex making up the bulk of the hair and finally an outer layer or cuticle typically less than 5 µ in thickness.
This cross section of human skin shows the various depth thickness and shapes of hair follicles. On the scalp the profile or cross section of individual hair shafts results in different hair types. Separate 5 to 2 inches 1 3 to 5 1 cm sections of each layer.
When a cross section of a hair is made its shape differs depending on the characteristics of your hair determined by your race and the genes you get from your parents. African hair grows the slowest at about 0 9cm a day. A cross section of the hair shaft may be divided roughly into three zones.
For example the straight hair of many asian people gives a perfectly round cross section. This hair type grows diagonally and at a rate of about 1 2 centimeters per month. Human hair is typically 50 100 µ in diameter previous transmis sion and atr studies of its cross section1 2reveal three major identifiable regions.