Hair Growth Cycle

What MAKES HAIR GROW?

Hair strands grow and shed according to a natural cycle. While the hair itself is lifeless, it is part of a dynamic ecosystem that is full of life. And when it comes to our hair: life and growth are the offspring of our hair follicles. Hair grows when the blood vessels underneath the skin and in the follicle’s base feed on nutrients. Like our basic carnal necessities, our hair must also feed in order to grow and be healthy. Yet hair is not in a constant state of growth, it instead goes through the phases that make up the hair growth cycle. 

what is the hair growth cycle?

From the moment hair grows to the years that pass before it naturally falls out, each strand encounters the four phases of the natural hair growth cycle. At any point in time, each strand of hair is in a different phase of the cycle. 

THE HAIR GROWTH CYCLE phases

Envision hair as a garden. As seasons come and pass, different plants in the garden are either growing, transitioning or dying to make room for the next season’s crops to grow. The hair growth cycle emulates this course of nature with four phases:

Phase 1 - Anagon Phase

This is the phase where hair actively grows. About 85% of all the hair on the scalp is in the growth stage at any one time, and this phase lasts 3-5 years. 

Phase 2 - Catagen Phase

This is the phase where hair actively grows. About 85% of all the hair on the scalp is in the growth stage at any one time, and this phase lasts 3-5 years. 

Phase 3 - Telogen Phase

This is a stagnant period where hair is taking a moment to relax and rest for about three months. At any given point, about 15% of hair is resting. But that doesn’t mean nothing is happening; as these old hairs rest, new hairs begin their growth process with skin's dermal layer.

Phase 4 - Exogen Phase

After hairs have had a nice long rest, the shedding begins. While it might seem alarming to lose 50-150 hairs a day from shedding, it’s perfectly natural and even positive. The reason hair sheds is because new hair is pushing it out so that it can enter the growing (Anagen) phase again.

WHEN DOES HAIR FALL OUT?

When shedding becomes excessive and results in an abundance of hair loss, it’s because the Anagen phase slows down production of hair growth. There are a multitude of contributing causes of hair fall—from genetic to dietary to medical reasons. The hair growth cycle can also become disrupted by certain life events or triggers such as child birth, menopause or chronic stress. The first step is to identify the trigger. Then, you’re ready for effective treatment and hair loss solutions. 

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