Natural Hair
The primary function of hair
What is insulate body from heat and cold and to protect the head from injury and physical trauma.
Hair Strand divided into two parts
What are hair root and hair shaft?
The outermost layer ,the surface of the shaft, protects and seals the hair
What is cuticle?
The process by which newly formed hair cells in the hair bulb mature, fill with keratin, move upward, lose their nucleus and die
What is keratinization?
refers to the shape of the hair strand
What is Wave Pattern?
It has been said that our hair is our
What is crown and glory?
Deep angular, pocket-like depression in the scalp
What is hair follicle?
The hair is most brittle
What is dry?
Major elements that make up the human hair
What is Carbon, Oxygen, Hydrogen, Nitrogen, Sulfur?
(lanugo hair)- short, fine, unpigmented, downy;
What is Vellus hair
Represents the regal beauty and power
What is crown?
The coarser, longer hair found throughout the body
What is terminal hair?
Middle layer, thickest part of the shaft and gives its melanin
What is the cortex?
link the polypeptide chains (long chain of amino acids linked together by peptide bonds) together; responsible for the strength and elasticity of human
What are side bonds?
long, coarse, pigmented hair found on the scalp, legs, arms, and bodies of both males and females
Terminal hair
Symbolizes a source of pride, self-care, and esteem
Provides nourish to the hair bulb
What is dermal papilla?
Most moisturizing products are a combination of
What is humectants(hydrators) and emollients
the tiny grains of pigment in the cortex that give hair its natural color
What is Melanin?
(growth phase)- new hair is produced
Anagen phase
A slender threadlike outgrowth of the epidermis of the skin and scalp
What is hair?
Sac-like structures that provide the follicle with natural oils
What is sebaceous glands?
Innermost layer core of the shaft.
What is a medulla?
The links that bonds the amino acids together
What are peptides?
(resting phase)-final phase in the cycle;
Telogen Phase