Density
Classifications of Hair Density?
Low, Medium, High
What is porosity?
the hair's ability to absorb moisture.
What is hair elasticity?
the hair's ability to stretch and return to its original length without breaking.
Hair Stream
Hair flowing in the same direction with a natural part.
Growth phase
Anagen
Average Hair Density
2200 hairs per square inch
Low porosity is...
healthy!
Average hair elasticity
30 to 50 percent stretch
Whorl
Hair leaves the follicle at an angle. Hair grows in a circular pattern.
Resting phase
Telogen
How is hair density measured?
The number of hair strands on one square inch
High porosity is...
raised cuticle and unhealthy
What can cause low elasticity in hair?
Overprocessing or physical damage from thermal styling tools
Cowlick
Hair grows straight up or at a different angle than the other hair.
How long does the Catagen phase last?
one to two weeks