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Human hair is made of a tough protein called keratin. Each hair is anchored into a hair follicle, and a hair bulb forms the base of the hair follicle.
Hair Anatomy Explained: Inside this hair bulb, living cells divide and grow to form the hair shaft. These cells inside the hair bulb are nourished by a network of blood vessels, and they also deliver hormones that modify hair growth and structure at different times of life. Hair follicles are complex; made up of many specialised cells and interdependent structures.
The growth of human hair happens in cycles, which consist of three phases:
Anagen (growth phase): Every hair spends several years in this phase; the vast majority of hairs are growing at any one time
Catagen (transitional phase): This phase happens over a few weeks as hair growth slows down and the hair follicle shrinks
Telogen (resting phase): Over several months, hair growth stops and the old hair detaches from the hair follicle. A new hair begins the growth phase, pushing the old hair out
Most Hair Loss in Men can be blamed on Heredity
Hair growth rates vary in different people; so does hair colour which is made by pigment cells (melanocytes) producing melanin in the hair follicle. When the pigment cells (melanocytes) stop producing melanin, the hair turns grey.
At Therapie Hair Restoration, we understand that hair loss can have a serious psychological impact, resulting in loss of confidence and self-esteem; even anxiety and depression in more serious cases.
Effectively addressing hair loss with surgical or non-surgical techniques will allow many patients to recapture a more youthful appearance, a renewed hairline and regain their confidence.
Understanding the physiology of the hair and scalp helps understand Androgenetic Alopecia, or Male Pattern Baldness.
Hair doesn’t just fall out of the scalp; male pattern hair loss is caused by the hormone metabolite dihydrotestosterone (DHT).
In susceptible hair, DHT weakens healthy hair follicles and over time the hair shafts produced by these follicles get smaller and finer until they fail to produce cosmetically significant hair fibres.
The hair follicle has many components:
- The sebaceous gland produces sebum (oil) within the follicle, which acts as a natural conditioner for our hair and scalp
- The inner root sheath surrounds and protects developing hair shafts, ending at the sebaceous gland
- The outer root sheath serves much the same purpose, forming the outer layer of the hair follicle but extending past the sebaceous gland towards the dermis
- The dermal papilla (DP) directs the embryonic generation of the hair follicle. It’s essential for the development and cycles of the hair follicles
- At the lower part of the hair follicle lies the bulb; surrounding the dermal papilla, and containing many inner matrix cells
- The hair shaft itself has three layers: the cuticle (surface layer made of transparent scale-like cells); the cortex (middle layer giving strength and support as well as pigment for colour) and the innermost layer, the medulla; present only in fully-grown hair
Find out today if you are a suitable candidate
for this life changing procedure. Call us on 1890 202 203