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HAIR FOLLICLE
The outermost layer of the hair
The hair shaft is a nonliving fiber composed of
Keratinized protein
1/2 in
Average hair growth rate of healthy hair on the scalp per month
Natural hair color is the result of the_______ found within the cortex.
Melanin Pigment
Dermal Papilla
Lower part of the hair bulb is hollow and fits over and covers the
What is the total weight of the hair comes from the cortex
90%
When two steams slope in opposite directions, they form
A natural part in hair
Finasteride
Scientically proven to increase hair growth
Genetics
Natural hair wave patterns are a result of
Dermal Papilla
Medulla
Terminal
Type of hair is the long, coarse hair found on the scalp, legs, arms, and bodies of males and females
Poor Nutrition
Hair with low or poor elasticity
Dandruff is the result of ______
Fungus called Malassezia
Overactive Sebaceous glands that secrete too much sebum can casue what type of scalp conditions
Oily
Comes from healthy, compact cuticle layer of the hair
The number of hairs on head varies with the _____ of the hair
Color
Type of hair that is susceptible to damage from chemical services
Fine
Coarse
Hair follicles are distributed all over the body, with the exception of the palms of the hands and the ______
Provides strength, elasticity, and natural color to the hair
Protein Structure
Type of hair that feels smooth and the cuticle is compact
Resistant
The average hair density is approximately how many strands
2,200
Texture
Refers to the degree of coarseness or fineness of hair strand