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The hair on our heads goes through a cycle of growth, rest, and shedding.
During the growth phase, hair follicles produce new hair cells, which push out the old ones, making our hair grow longer. This phase can last for years, but eventually, the follicles enter a resting phase, and the hair stops growing. Finally, the old hair falls out and the cycle starts again.
Anagen Phase
2 to 7 years
This is the active growth phase of the hair follicle. The cells in the hair root rapidly divide and push the hair shaft up and out of the skin. This is what makes our hair grow longer.
Catagen Phase
2 weeks
This is the transition phase between growth and rest. The hair follicle shrinks and detaches from the blood supply in the scalp, causing the hair to stop growing.
Telogen Phase
3 to 4 Months
This is the resting phase of the hair follicle. The hair is completely detached from the hair follicle and is not growing. The hair falls out during this phase and the anagen phase starts again.
This is the active growth phase of the hair follicle. The cells in the hair root rapidly divide and push the hair shaft up and out of the skin. This is what makes our hair grow longer.
This is the transition phase between growth and rest. The hair follicle shrinks and detaches from the blood supply in the scalp, causing the hair to stop growing.
This is the resting phase of the hair follicle. The hair is completely detached from the hair follicle and is not growing. The hair falls out during this phase and the anagen phase starts again.
Hair loss or balding can occur due to a variety of factors such as genetics, age, hormonal changes, medical conditions, and certain medications.
In men, the most common type of balding is known as male pattern baldness or androgenetic alopecia, which is typically caused by the hormone dihydrotestosterone (DHT) binding to hair follicles and shrinking them over time. This can result in shorter and thinner hair until the follicle can no longer produce hair.
In women, hair loss can occur due to hormonal changes such as menopause or pregnancy, as well as medical conditions such as thyroid problems and autoimmune disorders.
In men, the most common type of balding is known as male pattern baldness or androgenetic alopecia, which is typically caused by the hormone dihydrotestosterone (DHT) binding to hair follicles and shrinking them over time. This can result in shorter and thinner hair until the follicle can no longer produce hair.
In women, hair loss can occur due to hormonal changes such as menopause or pregnancy, as well as medical conditions such as thyroid problems and autoimmune disorders.