Does Smoking Cause Hair Loss?

smoking causes hair loss

Hair loss is a common issue affecting individuals of all ages and genders. It can occur for various reasons, including genetics, hormonal imbalances, medical conditions, and certain lifestyle habits. Hair loss can significantly impact an individual's self-esteem and overall quality of life. People who experience hair loss and are smokers wonder if their smoking causes hair loss.

 This article provides a deep insight into the relationship between smoking and hair loss and also answers a pressing question- "Does smoking cause hair loss".

Understanding Hair Loss

Hair loss is the shedding of hair from the scalp or other body parts. There are several types of hair loss, including temporary hair loss, hereditary hair loss, and hair loss due to medical conditions.

Temporary hair loss can be caused by stress, hormonal changes, and certain medications, while hereditary hair loss is passed down through genetics.

Various factors, including genetics, hormonal changes, medical conditions, stress, medications, and poor nutrition, can cause hair loss. Other factors contributing to hair loss include age, scalp infections, and certain hairstyles that put excessive tension on the hair.

The hair growth cycle comprises three phases:

  • Anagen (active growth phase)
  • Catagen (transitional phase)
  • Telogen (resting phase)

The average hair growth cycle lasts 2-6 years, with hair shedding and regrowth occurring continuously. The length of time a hair strand stays in each growth cycle phase can be influenced by genetics, age, hormones, and other factors. 

The Connection between Smoking and Hair Loss

Numerous studies have shown a correlation between smoking and hair loss. Research has found that smokers are more likely to experience hair loss than non-smokers. Studies have also demonstrated that the longer a person smokes, the greater their risk of hair loss becomes.

Smoking affects hair growth by limiting blood and oxygen flow to the hair follicles. This leads to a reduction in hair growth and can result in hair loss. Additionally, the chemicals present in cigarette smoke can damage the hair follicles, leading to hair thinning and hair loss.

Androgenetic Alopecia (male pattern baldness) is a common form of hair loss characterised by the gradual thinning of hair on the scalp. This hair loss is caused by a combination of genetics and hormones, specifically the effects of androgens and male hormones.

The hair loss typically follows a specific pattern, with the hairline receding and balding occurring on the top and crown of the head. Androgenetic Alopecia affects millions of people worldwide.

The role of smoking in causing androgenetic alopecia has long been debated and studied. It is known that smoking is harmful to hair and scalp health. This is how smoking causes hair loss:

  • The by-products of smoking, like nicotine, reduce blood supply to the scalp and hair follicles. This results in hair fall.
  • Smoking increases the production of free radicals that damage the DNA of cells. Hair follicles are susceptible to free radicals, and an increase in the latter can increase hair fall.
  • Smoking increases the production of cytokines, molecules that promote inflammation and cause scarring of hair follicles.
  • Smoking causes hair loss by triggering premature senescence of the hair follicles, accelerating hair fall.

The Impact of Smoking on Scalp Health

The scalp provides the necessary nutrients and oxygen to support the hair follicles. A healthy scalp is characterised by proper blood circulation, hydration, and a balanced microbiome. An unhealthy scalp can lead to dryness, flakiness, itching, and hair loss. Maintaining a healthy scalp is essential for promoting hair growth and preventing hair loss. 

Smoking hurts scalp health by reducing blood flow to the scalp and exposing it to harmful chemicals. The reduced blood flow restricts the delivery of essential nutrients and oxygen to the hair follicles, leading to hair thinning and loss. The chemicals in tobacco smoke, including nicotine and tar, can also cause oxidative stress, which damages the hair follicles and contributes to hair loss. Additionally, smoking can lead to dryness and flakiness of the scalp, further weakening the hair follicles and contributing to hair loss.

Nicotine is a highly addictive substance in tobacco smoke that constricts blood vessels, reducing blood flow to the scalp and causing hair thinning. Tar, another component of cigarette smoke, can clog the pores of the scalp and prevent the proper absorption of nutrients and oxygen. Other chemicals in cigarette smoke, such as carbon monoxide and hydrogen cyanide, can also damage the scalp and hair follicles.

To maintain a healthy scalp and promote hair growth, it is essential to quit smoking or avoid exposure to second-hand smoke. Adopting a healthy lifestyle, including a balanced diet, proper hydration, and stress management, can also help to promote scalp health and prevent hair loss.

Best Treatment Options for Hair Loss due to Smoking

Several treatment options are available for individuals experiencing hair loss due to smoking or other causes. The best treatment plan will depend on the individual's specific needs and medical history, as well as the cause and extent of the hair loss.

Some of the most common treatments for hair loss include:

  • Topical and oral medications

Topical medications, such as minoxidil, are applied directly to the scalp to stimulate hair growth. Oral medications, such as finasteride, are taken orally to reduce the production of the hormone responsible for hair loss. These medications are typically most effective in individuals with mild to moderate hair loss and can be combined with other treatments.

  • Surgical options

Surgical options for hair loss include hair transplants, scalp reductions, and expansions. Hair transplant is a surgical procedure during which small grafts containing hair from different parts of the scalp are taken from one area and transferred to another.

Scalp reductions involve the removal of a portion of the scalp to reduce the area affected by hair loss. Scalp expansions involve stretching the remaining hair-bearing scalp to cover areas of hair loss. These surgical options can be effective for individuals with significant hair loss and are typically performed by a hair restoration specialist.

  • Lifestyle changes

Lifestyle changes like quitting smoking and reducing stress can help to improve scalp health and prevent hair loss.

  • Home remedies

Home remedies, such as massaging the scalp with essential oils and using natural hair masks, can also help promote hair growth and improve the scalp's health. 

Speaking with a doctor before starting any new treatment or making significant lifestyle changes is essential.

PRP Treatment for Hair Loss

PRP, or Platelet-Rich Plasma therapy, is a popular and effective treatment for hair loss, particularly androgenetic alopecia. This non-surgical, minimally invasive, cost-effective procedure uses the patient's blood plasma to promote hair growth. The treatment involves:

  • Collecting a sample of the patient's blood, which is then processed to separate the plasma from the other blood components.
  • The plasma, which is rich in growth factors and platelets, is then injected into the scalp to stimulate the growth of new hair follicles.

PRP treatment works by increasing the blood supply to the hair follicles, enhancing the delivery of oxygen and nutrients to the follicles. The growth factors in the plasma help activate dormant hair follicles and stimulate the production of new hair. PRP treatment is effective in individuals with mild to moderate hair loss. It can be combined with other hair restoration treatments, such as minoxidil or finasteride.

The procedure is typically performed in a doctor's office and takes about 30 minutes to complete. There is usually minimal discomfort during the treatment, and patients can resume normal activities immediately after the procedure. Results from PRP treatment for hair loss typically become visible after several months, with the full effects of the treatment becoming apparent after several treatments. The PRP treatment results vary from person to person, but one may require maintenance therapy every four to six months.

PRP treatment for hair loss is a safe and effective option for individuals looking to promote hair growth and restore their hair's natural thickness and volume. However, it is not recommended for everyone. Before starting any new treatment, speaking with a doctor is essential to determine if PRP is the best option for the individual's specific needs and medical history.

A 60-minute PRP session at Uncover starts at INR 5,000. Speak to our healthcare team to know if you are a candidate for PRP treatment.


Hair loss is a complex issue that a variety of factors, including smoking, can cause. For those wondering, "Can smoking cause hair loss?" it surely does!

By quitting smoking or reducing exposure to cigarette smoke, individuals can help to protect their scalp and hair health, reducing the risk of hair loss and other hair and scalp health problems. With proper care and treatment, it is possible to restore the health of the scalp and promote hair growth, even for individuals who have experienced hair loss due to smoking. Speaking with a doctor before starting any new treatment or making significant lifestyle changes is essential.

To know more about reversing hair loss and other hair restoration treatments, visit UnCover to speak to our specialists.

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