Does smoking cause hair loss and/or premature hair graying?

Smoking, a detrimental habit with well-documented health consequences, extends its harmful reach even to our hair. While its association with cancer and respiratory issues is well-known, there’s a hidden side effect that doesn’t receive as much attention – premature greying of hair. In this exploration, we delve into the causes of premature hair greying, shedding light on the role smoking plays in this phenomenon.

Understanding Premature Hair Greying

Natural aging often accompanies the greying of hair, but when this process occurs prematurely, it raises concerns. Typically, hair loses its color as melanin, the pigment responsible for its hue, diminishes. But what triggers this loss of melanin, especially at a young age? Several factors contribute to premature hair greying:

Genetic Predisposition

  1. Our genes have a big say in when our hair starts going gray, but they only account for about 30% of the whole picture. Genes are like instructions for how much color, called melanin, our hair has. Figuring out why hair turns gray is important if you want to keep your hair looking great. Even though there are many reasons for hair turning gray too soon, one common reason is smoking. Research has shown that people who smoke tend to get gray hair earlier than those who don’t. The harmful stuff in cigarettes damages the DNA in our cells, including the ones that give our hair its color. This damage messes up the normal process of making melanin, which leads to less color and more gray or white hair.
  2. Apart from smoking, other things like how stressed we are and how healthy we are overall can also make our hair gray sooner. Long-term stress is connected to faster aging, including getting gray hair earlier. Also, some health problems or not getting the right nutrients can change our hair color. While we can’t change our genes, there are things we can do to slow down how fast our hair goes gray and keep it looking nice. First, having a healthy lifestyle by eating good food with lots of vitamins and minerals is really important for keeping hair healthy. Also, finding ways to manage stress in our daily life can help stop stress from making our hair gray too soon. Doing regular exercise, practicing meditation, or enjoying hobbies can all help us deal with stress.
  3. If you’re interested in ways to stop or reverse gray hair without using chemicals or harsh treatments, don’t worry! There are natural remedies that might help slow down how fast your hair turns gray. For example:
    1. Amla (Indian Gooseberry): This fruit has a lot of vitamin C, which can help make more melanin and stop hair from going gray early.
    2. Curry Leaves: These leaves have antioxidants and can be used as a hair treatment to keep hair healthy and delay gray hair.
    3. Coconut Oil and Lemon Juice: Mixing these two things and putting them on your scalp can help your hair stay strong and maybe slow down gray hair.
    4. Black Tea: Rinsing your hair with black tea might make gray hair look darker for a while. Black tea has stuff in it that can temporarily bring back some color.


can really mess up our bodies, and it can even make our hair turn gray too soon. It messes with melanin, the stuff that gives our hair color. Let’s see how stress does this:

  1. Autoimmune Disorders: Sometimes, our body gets mixed up and starts attacking itself. This messes up melanin-making and changes our hair color.
  2. Thyroid Problems: When our thyroid, a gland in our body, doesn’t work right, it messes with melanin-making and causes early gray hair.
  3. Vitamin B12 Deficiency: Not having enough of this vitamin makes our hair unhealthy and gray earlier.

Now, let’s talk about smoking and gray hair:

Smoking is also connected to gray hair. Bad things in cigarettes make the blood vessels that give our hair stuff smaller. This leads to gray hair and even hair falling out.

When you smoke or breathe in smoke from others, these bad things get everywhere, including your head where your hair grows. They mess up every stage of hair growth by targeting the cells that make color. This happens every time you’re around smoke, and that’s why smokers often get gray hair early.

Research shows that smokers are more than twice as likely to have gray hair compared to non-smokers. A study in the US found this link between smoking and gray hair.

So, what can you do if smoking is making your hair gray? Here are some ideas:

    1. Quit Smoking: The best thing is to stop smoking. This helps your hair keep its color and makes you healthier overall.
    2. Stay Healthy: Eating good food, exercising, and managing stress can help your hair stay healthy and maybe slow down the gray hair.
    3. Talk to an Expert: If you’re worried about your gray hair or anything else about your hair, a doctor who knows a lot about hair (like a dermatologist or trichologist) can help you figure out what to do.

The Mechanism: Smoking and Melanin

The hair follicle, the base from which hair grows, contains melanocytes – cells responsible for melanin production. Melanin provides hair with its characteristic color. When melanocytes in hair follicles cease to produce sufficient melanin, hair turns grey. Smoking contributes to this by stifling melanin production, ushering in premature greying.

Furthermore, the toxins in cigarette smoke can disrupt hormonal balance, potentially damaging hair follicles and affecting both hair growth and color. Research demonstrates that smokers with premature greying exhibit highly vacuolated melanocytes in hair bulbs – a sign of increased oxidative stress, often attributable to smoking.

Smoking’s Multi-Faceted Assault on Hair Health

The impact of smoking on hair health is multi-pronged, with far-reaching consequences:

  1. Inflammation Aggravation
  2. Smoking triggers the release of pro-inflammatory cytokines – signaling proteins that escalate inflammation. Chronic inflammation can damage tissues throughout the body, including hair follicles.
  3. Hair Growth Cycle Disruption
  4. Smoking alters enzyme levels responsible for regulating the hair growth cycle. This disruption, in turn, leads to slower hair growth and increased hair loss.
  5. Hormonal Imbalance
  6. Smoking interferes with hormone levels, including estradiol and aromatase. This can diminish estrogen levels, affecting hair growth and texture.
  7. Collagen Degradation
  8. Collagen, essential for healthy hair and skin growth, is degraded by smoking. Collagen deficiency impacts hair volume, shine, and resistance to premature greying.
  9. Blood Flow Constriction
  10. Smoking’s vascular constrictive effect reduces blood supply to hair follicles, hampering collagen production and leading to brittle hair.
  11. Oxidative Stress and Sebum Disruption
  12. Smoking induces oxidative stress and disrupts sebum production, resulting in dry, brittle hair.
  13. Genetic Alterations
  14. Cigarette smoke’s carcinogens can alter immune cell genomes, causing irreversible genetic damage to hair follicle DNA, potentially affecting generations.

Smoking and Early Hair Loss

Smoking cigarettes is associated with both temporary hair loss (for example, Telogen Effluvium), and permanent hair loss (for example, male-patterned baldness and female pattern hair loss). Multiple factors linked to smoking that can cause early and extensive shedding of scalp hair include:

A study conducted in 2007 in Taiwan, followed a group of 740 men, aged 40 to 91 years old to evaluate the risk to hair loss posed by smoking. After checking age and family histories, researchers found a higher rate of hair loss among smokers.

Another analytical study conducted in Pakistan on 398 male subjects concluded similar results, with 73% of active smokers found to be suffering from premature hair loss

Halting the Onset: Can Grey Hair Be Prevented?

While genetic factors remain uncontrollable, several measures can be taken to prevent or slow down premature hair greying:

  • Adopt a balanced diet rich in antioxidants and Vitamin B12.
  • Engage in regular exercise to enhance blood circulation and oxygen supply to hair follicles.
  • Prioritize sufficient rest for overall health, including hair health.
  • Opt for hair care products free of harsh chemicals.
  • Abandon smoking and avoid starting if not already a smoker.
  • Address nutritional deficiencies through supplements.
  • Explore natural remedies like curry leaves, bhringaraj, amla, and more.

Conclusion: Choosing Health over Smoke

In the debate of whether smoking causes grey hair, the answer is resounding – yes. The cascade of chemical damage triggered by tobacco smoke affects not just lungs, but also hair health. Premature greying, hair thinning, and loss stand as visual testimonials to smoking’s harmful effects. While reversing the white hair process might be challenging, quitting smoking can undoubtedly arrest its progression. The road to healthier hair is intertwined with the choice to leave smoking behind.


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