Hair Structure And Composition | Prevent Dry Hair | Three Layers Of Hair | Outer Cuticle - Middle Cortex - Inner Medulla

Understanding Hair Structure And Composition Can Help Prevent Dry Hair

By Anny Seth

Hair is composed of a special protein called keratin. Keratin which consists of several amino acids allow the hair fiber to stretch and gives the hair it strength.

Hair consists of three layers. The outer cuticle, the middle cortex and the inner medulla..

The medulla sometimes consists of round cells it is the innermost layer. There is an absence of color pigments or granules. In coarse hair you may see the medulla and in fine hair the medulla is normally absent.

The cortex consists of elongated rectangular shaped cells. It is this middle layer which is responsible for the color and strength of the hair.

The cortex consists of two types of melanin. Pheomelanin and eulamin.Pheomelanin pigments are constituents for lighter hair color and eulamin is responsible for brunette and raven hair color.

The shape size and the number of the color granules determine the intensity of the hair color.

The cuticle is the outermost layer that protects the cortex. The cuticle consists of shingles like scales that overlap each other. If the cuticle is flat and healthy it radiates a natural gloss or shine. If the cuticle is damaged due to chemical processes. This damage alters the cuticle structure allowing the hair to lose it sheen and less light will be reflected from the cuticle which makes the hair appear dull. The cuticle also has no color pigments.

You can damage the cuticle in your hair by constantly coloring, perming and exposure to thermal heat tools such as blow dryers, curling irons, hot rollers and flat irons.

You can physically damage the cuticle by teasing and backcombing the hair which constantly lifts the cuticles. Drying your wet hair very harshly with a towel instead of blotting the hair. Wet hair tends to be fragile than dry hair due to broken bonds and weaker elasticity of the hair. You can protect your hair by using a thermal spray and allowing your hair to air dry.

Anny Seth is a professional hair and wig designer for http://www.annyseth.com We specialize in monofilament wigs and human hair wigs for women and focus on the structure of the hair. Visit http://www.annyseth.com for more information.

Article Source: http://EzineArticles.com/?expert=Anny_Seth

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