How long does it take for thinning hair to fall out?

Author: Buddy Fahey  |  Last update: Tuesday, September 16, 2025

It usually takes 15-25 years to go bald, but can be quicker. Typically, at first the hair begins to thin (recede) at the sides (temples). At the same time, the hair usually becomes thin on the top of the head. A bald patch gradually develops in the middle of the scalp.

How long does it take for thinning hair to go away?

Treatment exists to reverse hair loss, but hair will typically grow back in three to six months without treatment.

Is stage 2 hair loss reversible?

Hair loss is easiest to reverse when it is treated early and quickly before any severe balding has begun. If you are able to recognize the early stages of male pattern hair loss, you will be able to seek treatment sooner, and ultimately retain a full head of hair.

How fast is sudden hair loss?

Telogen effluvium can be acute or chronic. If there is some "shock to the system", as many as 70% of the scalp hairs are then shed in large numbers about 2 months after the "shock". This sudden increase in hair loss, usually described as the hair coming out in handfuls, is acute telogen effluvium.

Can thin hair become thick again?

Yes, absolutely! Stress, excessive heat styling, age and even genetics can deplete your hair's thickness. Keeping your scalp and roots healthy is how you can promote the growth of thick hair. You can do the same by oiling regularly, refraining from wearing tight hairstyles and following a nourishing hair care routine.

Mayo Clinic Minute: Expert advice for women with thinning hair

What is the timeline for hair thinning?

On average it takes 15-25 years for men to go completely bald. This process can begin at any age. About two thirds of men are either bald or have a balding pattern by the age of 60. However many will start losing their hair much earlier, and others not until later.

What does stress hair loss look like?

No Visible Pattern. With stress-related shedding, hair falls out evenly all over your scalp instead of in a defined pattern. You'll likely notice more hairs than usual coming out while shampooing, combing, or on your pillow, clothing, and bathroom floor.

What causes faster hair loss?

Hairstyles that pull the hair tightly (such as braids, hair extensions or tight ponytails). Haircare that may cause damage due to processing (including perms and bleach). Hormonal changes (such as pregnancy, childbirth or menopause). Medical treatment (such as chemotherapy and certain medications).

How does stage 1 hair loss look like?

Stage 1: There's little or no hair loss or hairline recession. Stage 2: There's slight hair loss near the skin between your ears and forehead (temples). Stage 3: You have deep hairline recession around your temples, and your hairline may have an “M” or “U” shape.

Why is my hair so thin I can see my scalp?

A visible scalp through your hair can be a sign that it's thinning (but not always). The factors that contribute to thinning hair (and thus a visible scalp) include stress, diet, vitamin deficiency and ageing.

How to tell if hair is regrowing?

  1. What Does New Hair Growth Look Like? Understanding the signs of new hair growth is crucial for anyone concerned with hair health, whether dealing with hair thinning or loss. ...
  2. Texture Changes. ...
  3. Increased Volume. ...
  4. Darkening Of Hair Follicles. ...
  5. Growth At The Hairline. ...
  6. Itchy Scalp. ...
  7. Shiny, Strong Strands. ...
  8. Rate Of Shedding.

Why am I suddenly losing so much hair?

Hair loss is a symptom of more than 30 diseases, including polycystic ovary syndrome, ringworm on your scalp, thyroid disorders, and autoimmune diseases. You can also lose hair when you have the flu, a high fever, or an infection.

Can biotin regrow hair?

Despite its popularity in the media and amongst consumers, biotin has no proven efficacy in hair and nail growth of healthy individuals. Only 1 study has shown decreased levels of biotin in healthy individuals, though this data was confounded by multiple factors, including patient history.

When I run my fingers through my hair it falls out?

It's perfectly normal to lose a few stray strands when running your fingers, or a comb, through your hair. But if you notice increased hair being pulled out when you are being gentle, this can be a cause of concern that you should get checked over.

How long do iron tablets take to stop hair loss?

If iron deficiency is the only reason for your hair loss, you should start seeing improvements within a few months of taking iron supplements. Typically, it takes about 3 to 6 months to see noticeable changes, as hair growth is a gradual process.

How to tell if hair loss is permanent or temporary?

If the triggering event is temporary—for example, if you recover from an illness or stop taking the medication causing the hair loss—your hair may grow back after six months. Telogen effluvium is considered chronic if hair loss lasts longer than six months.

Can hair grow back after thinning?

You might be able to reverse hair loss, or at least slow it. With some conditions, such as patchy hair loss (alopecia areata), hair may regrow without treatment within a year. Treatments for hair loss include medications and surgery.

Is stage 3 hair loss reversible?

For people experiencing stage 3 of the Norwood scale, a follicular unit excision (FUE) hair transplant is usually the preferred solution to help restore hair and combat pattern baldness. FUE hair transplants involved extracting individual hairs from the sides and back of the head.

What does thyroid hair loss look like?

Severe and prolonged hypothyroidism and hyperthyroidism can cause loss of hair. The loss is diffuse and involves the entire scalp rather than discrete areas. The hair appears uniformly sparse.

What makes hair fall out instantly?

Certain conditions, including anagen effluvium and alopecia areata, can cause hair to fall out suddenly. People should speak with a doctor to identify the cause of sudden hair loss.

What is the best shampoo for hair loss?

Top shampoos for thinning hair, at a glance
  • Best Overall: Nizoral Anti-Dandruff Shampoo, $15.
  • Best for Thickening: Kérastase Densifique Thickening Shampoo, $44.
  • Best for Damaged Hair: Vegamour Hydr-8 Shampoo, $38.
  • Best for Volume: Bumble and Bumble Thickening Volume Shampoo, $37.

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