Understanding Hair Growth Cycle The Easiest Way…
Hair is a fibre produced from a hair follicle. The first hair follicles are formed during foetal development and no new hair follicles are made after birth. Hair follicles do not produce hair continuously but go through three phases:
- The growth phase
- The transition phase,
- The resting phase
Understanding Hair Growth Cycle : You Need to Know
Once entering its growth cycle, scalp hair follicles will produce hair for a period of 2 – 6 years enabling hair lengths of up to many feet. The follicle then makes the transition to the resting phase, and ceases to make hair. A resting hair will never grow any further, and will remain in the follicle for several months until it sheds off.
Then the next hair cycle begins again with a new hair entering the growth phase in the same follicle.
Several factors determine whether scalp hair appears to be profuse or thin:
- The rate of hair growth
- The duration of the resting phase
- The thickness of each individual hair itself
- The percentage of hair follicles in the growth stage at any given time.
- Often when excessive hair-loss starts to occur, the follicles have not suddenly stopped producing hair, but rather the cycles of growth and the rest are shortened and the dormant stage extended.
Understanding Hair Growth Cycle : Hair Loss
The old hairs are normally shed at a rate of 50 to 100 per day, from a healthy head of hair.
Understanding Hair Growth 3 Stages of Hair Growth Anagen Hair Catagen Phase of Hair Growth Shedding Phase Hair Transplant
While this cyclical pattern of growth dictates that everyone normally experiences some hair-loss every day, losing more hairs daily can be considered to be excessive. Hair-loss can be caused by many factors, including but not limited to:
The hair fibre has three major compartments:
- Vitamin, mineral and protein deficiency
- Hormonal imbalance
- Use of certain drugs
- Radiation, including chemotherapy.
The outermost is the cuticle:
The main portion of the fibre is the cortex
The middle of the fibre is the medulla, which may be prominent, intermittent, or absent.
Shades of hair colour may be influenced by how light bounces off these compartments but basically depends upon pigment contained within the hair cortex. Eumelanin is the pigment found in brown or black hair and pheomelanin is in blonde or red hair. When pigment is significantly diminished, the hair appears grey and when it is absent, the hair is white. hair transplant hair growth stages are different from this phase. You can also try anagen hair loss treatment.
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