About Hair Growth

The human body contains approximately five million hair follicles, while the scalp (prior to any kind of hair loss) contains 100,000 to 150,000 hair follicles. The normal growth rate of scalp hair is one-fourth to one-half inch per month. At our hair replacement center in Rochester, we believe that helping our patients from Buffalo and Syracuse, NY, understand hair growth is important in their understanding of hair loss.

The Normal Hair Growth Cycle

A follicular unit is comprised of the hair shaft and the follicle or root.  The youthful hair follicle has all the requirements (hormone receptors, diverse cell structure and genetic code) to produce the hair on your head. Each hair consists of a series of interconnected proteins known as keratins.

Hair & Skin Anatomy

Hair & Skin Anatomy

Periods of growth (anagen) last between 2 and 8 years and are followed by a brief period—2 to 4 weeks—in which the hair (not the follicle) begins to separate from the follicle (catagen). Metabolic activity ceases and the resting phase (telogen) begins lasting 2 to 4 months. Shedding of the hair occurs only after the next growth cycle (anagen) begins and a new hair shaft begins to emerge. On average, 100 telogen hairs are shed every day. This is normal hair loss and accounts for the hair loss seen every day in the shower and with hair combing. In a healthy scalp, these hairs will regrow.

The three phases of the cycle are:

  1. Anagen = growth phase
  2. Catagen = degradation phase
  3. Telogen = resting phase

Human hair is produced in a continuous cyclical pattern of growth and rest known as the “hair growth cycle.”

Anagen Growing Phase

Anagen

Growing Phase

Catagen Transition Phase

Catagen

Transition Phase

Telogen Resting Phase

Telogen

Resting Phase

Telogen Shedding Phase

Telogen

Shedding Phase

Anagen Early Growth Phase

Return to Anagen

Early Growth Phase

Hair Growth Phases

Anagen

Growing Phase

Catagen

Transition Phase

Telogen

Resting Phase

Telogen

Shedding Phase

Return to Anagen

Early Growth Phase

A Reputation Built on Results

Fantastic result - I feel so much better now Dr Quatela was amazing, kind, thorough and overall excellent at what he does. I wouldn't let anyone touch my eyes but Dr Quatela and his team . His reputation is stellar and I also have friends who are prior clients / patients who also had great results. I no longer look as tired. I inherited the hooded eyes from my mom and I feel so much better now.
This is Your Surgeon - You Can Stop Looking ! Dr. Montague is not only incredibly talented, but also possesses what I feel is a rare quality of genuine kindness and understanding. he took his time and listened attentively to my conserves patiently answering all of my questions and making me feel comfortable. I felt as if I was his only patient and that he was listening and really making sure he could...
Top-shelf Care! Dr. Montague has made my experience with my procedure and follow-up absolutely pleasurable. He really cares about how you feel every step of the way. He answers any questions I have,in a way that makes me feel at ease. If anyone is considering facial surgery, Dr. Montague is a sure bet for a great experience.
Love my results and would recommend Dr. Montague and his team My experience with Dr. Montague and the Quatela Center was phenomenal. Dr. Montague was involved from day 1, answering all questions and being extremely attentive after the surgery. Any questions/concerns I had were immediately answered in terms/language I could understand, and I never felt embarrassed or silly for asking any questions....

What Hormone Makes Your Hair Grow?

Androgens (testosterone, dihydrotestosterone) are normal hormones present in both men and women.  They are the most important regulators of human hair growth. Androgens must be present for the growth of beard, axillary (underarm), and pubic hair, however they DO NOT cause growth of scalp hair. Dihydrotestosterone is the more potent of the two. In fact, they have the opposite effect on susceptible hairs. A susceptible hair is a hair with a follicle that is genetically coded to die when exposed to an androgen. Most people have a combination of susceptible and non-susceptible hairs. The distribution and ratio of these hairs determines the visible pattern of hair loss. In men, these susceptible follicles are typically present on the top of the scalp, whereas in women they are interspersed throughout the scalp.

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