Reviewed: 2021-05-28

Dermatologist and skin specialist
MBBS with 15+ Years of Experience in Dermatology

UNDERSTANDING THE CAUSES OF HAIR FALL

Hair is rightly referred to as the ‘crowning glory’. A head full of hair is desired by both men and women. Hair fall is a common problem with multiple factors contributing to it. Hair fall/ hair thinning leads to low self-esteem and self-image. Often youngsters feel low in confidence, they start avoiding social interaction and use camouflaging methods to hide hair loss. All this proves that loss of hair affects them mentally and emotionally.

Hair problems like excess hair fall and damaged/lustre less hair is often quite disturbing. These issues can be commonly identified when one notices more hair fall after hair wash, after combing, hair on the pillow after you wake up, hair clogging the drain, when the scalp starts to show and the hair follicles are unable to cover the scalp. Problems of detoriation in hair quality are identified as difficulty in hair combing, when hair tangle in the teeth of you comb, become frizzier after a wash, don’t grow properly and when multiple short hair follicles appear which don’t grow. These are common symptoms and can be spotted in day-to-day life.

A simple test that helps to determine hair fall is the “Hair pull test”. This is performed by grabbing 20-40 hair strands about an inch above your scalp between the thumb and forefinger and pulling the hair hard enough, and then sliding your fingers gently along the hair shaft to the tip. We count the number of hair strands that fall out. Upto six strands are normal. Greater than six require medical attention. It’s important to consider that this test helps to identify that you have hair fall and doesn’t help in diagnosing the cause of hair fall.

WHAT IS HAIR FALL?

Hair loss or hair thinning is a hair problem characterized by loss of more than 100-150 strands a day. The amount of hair fall can range to mild, moderate or severe depending on the amount of hair fall. There are various factors that trigger hair fall. Nutritional deficiency like anemia, vitamin deficiency are common causes. It can also occur due to metabolic conditions like thyroid disorders, stress, malignancy and secondary to certain medications. Chronic medical illness like typhoid, infection with COVID-19 and post-partum. Sudden weight loss is often associated with hair fall. Besides this poor hair hygiene, severe dandruff, scalp psoriasis are other triggers. In any person who complains of hair fall it is always advisable to find the underlying cause for appropriate treatment.

SYMPTOMS OF HAIRFALL ONE MUST WATCH OUT!

  1. GRADUAL HAIR THINNING

    Common pattern of hair thinning in men and women. In men it resembles the letter M on their receding hairline while for women there is thinning on the top of their head with widening of the parting line with intact forehead hairline.
  2. CIRCULAR OR PATCHY BALD SPOTS/ ALOPECIA AREATA:

    These are circular, coin-sized, bald spots with smooth shiny skin which usually appear on the scalp but sometimes appear on beards, eyebrow and other body parts.
  3. SUDDEN HAIR LOSS/ ACUTE TELOGEN EFFLUVIUM:

    Shock or trauma (emotional or physical) can cause a sudden shift of hair from growing to falling phase causing a large number to telogen hair follicles which shed together. Common symptom is hair thinning in a short period without any bald spot. Hair fall is severe and noticed while combing, after hair wash and hair are noticed clogging the drain.
  4. Sudden loosening of hair:

    Your hair may have been rooted in strength all your life, but sometimes due to sudden shock like hair tugging or overuse of hair ties can result is sudden hair loss. This is the kind of hair fall that leads to hair thinning and definitely needs a hair fall solution routine in place.
  5. Are you losing hair on your body?

    Hair loss doesn't just happen on your scalp. Your body can suffer from hair fall too. And, this can be a condition that happens with treatments such as chemotherapy for cancer. Even though it is not permanent and the hair starts growing back, using the right hair fall solution can help improve the situation.

It is easy to understand when someone is witnessing hair fall. It’s equally important to know some common tips which can help overcome this problem. Being aware of the causes for hair fall can help us treat the problem in a better way. Below mentioned are some answers to the question, “What are the causes of hair fall?

WHAT ARE THE REASONS FOR HAIR FALL?

A] Common causes of hair fall

1. Stress:

Even though emotional stress is less likely to cause hair loss in comparison to physical stress, it can still happen in cases like divorce, ageing parents or death of a loved ones. A hair fall tip to combat stress and anxiety with yoga, meditation and talk therapy would be helpful.

2. Eating habits:

Vitamin deficiency tops the list of the causes of hair fall. Low levels of vitamin B and lack of essential nutrients are common reasons for hair fall. It happens when the diet is not wholesome and there is a lack of nutrients in the diet. One of the tips for this hair fall problem would be to stay away from foods that cause hair loss and instead indulge in nutritious foods like lean proteins and plentiful fruits and vegetables.

3. Lack of Proteins:

Protein deficiency is a common cause of hair fall. If there isn’t enough protein in your diet, there is more protein breakdown in the body. This depletes the hair to necessary protein they require to grow and stops the inflow of keratin to hair. Hair growth tip is to consume more protein and essential fats.

4. Chemical led Products/Wrong Products:

Using incorrect hair products is one of the common reasons for hair fall. It’s always good to use products which maintain hair health and reduce hair fall. For example, using an anti-dandruff shampoo and conditioner for dry or damaged hair would not help you solve the problem. Rather, use a shampoo which is formulated to help you resolve hair fall problem in a targeted manner. Pantene hair fall control shampoo and conditioner are your go-to products as they are imbued with Pro-Vitamin B5 and fermented rice water, both of which work wonders to help control hair fall.

5. Heredity:

An important cause as genetic variability can trigger hair fall. Patterned hair loss is inherited in both men and women. Multiple genes have been identified which trigger hair fall. This is the common reason why we say that hair fall runs in families.

6. Dramatic Weight Loss:

Sudden weight loss is a kind of trauma even when the weight loss is planned. Whether the weight loss is planned when one intentionally reduces diet to when its unplanned and one practises unhealthy eating habits which trigger hair fall. A hair fall tip is to eat a balanced diet with adequate as these are the building blocks for the hair. So eat a balanced diet and stay well hydrated.

B] Hair fall reasons in women

1. Birth control:

While we know pregnancy hormones can be one of the common causes of hair fall but so can switching to or going off birth control pills. It may be more likely to happen if you have a family history of hair loss. A change in the hormonal balance during menopause can have a similar effect. Some hair growth tips for such situations would be to consult a doctor and/or switch to a different birth control.

2. Pregnancy:

Pregnancy can lead estrogen levels to rise. During this phase, hair feels thicker & more lustrous due to the excess estrogen in the body. However, about 3-4 months after pregnancy is done, hormone levels start to normalize. This dip in estrogen may be one of the biggest hair fall reasons causing hair fall post pregnancy.

3. PCOS and PCOD:

Polycystic Ovarian Syndrome also leads to major physical changes in the body. PCOS is a lifestyle condition that brings a lot of changes to a female body, one of them being massive hair loss. If you are experiencing tremendous hair fall it is always advised to take a medical consultation.

4. Thyroid:

Our body consists of hormones T3 and T4 that are produced by the thyroid gland. When the production is affected in some way, this has a domino effect of affecting other processes in the body. One of the key body parts that gets affected is the development of hair at the roots i.e., your hair growth cycle. Your hair starts to fall out and doesn’t get replaced with new hair strands. It could happen from your scalp to eyebrows, body hair too. But the most common and visible place of Hair Fall is your scalp.

5. Menopause:

During menopause, the production of estrogen and progesterone are lowered. These are the hormones responsible for hair to grow faster and stay longer on your head. So, when there is a decrease in the usual production of these hormones, hair tends to thin down and fall, causing hairfall.

6. Smoking:

Smoking causes blood vessels to shrink and block blood circulation reach to the hair follicles due to the toxic chemicals present in cigarettes. Due to this, important nutrients are unable to reach your hair which results in hair fall.

Now that we are aware of the reasons for hair loss, most of us might wonder if there are any preventative steps we can take, to ensure that hair fall is reigned in before it gets out of hand. Here are a few.


Hair care problems are varied for different people, so your hair care products should also be so. Take a look at our diverse range of Pantene Shampoos and Pantene Conditioners and pick your choice!

All references on this page to *Strength, **Hairfall and ***Breakage refer to *strength against surface damage, **hairfall due to breakage vs. non-conditioning shampoo and ***breakage vs non-conditioning shampoo respectively.

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