Brittle Hair: Causes And Treatment

Written by Anjali Sayee

Does your hair break easily? Is it very dry and frizzy? Then you have brittle hair that is a sign of damaged tresses. Not treating brittle hair on time may lead to long-term, and often irreversible, hair damage. But worry not – certain methods and techniques can help treat brittle (and even prevent it). This article breaks down everything about brittle hair – its causes, diagnosis, and treatment. Take a look.

What Causes Brittle Hair?

Brittle is characterized by split ends, breakage, roughness, and dryness. It is more prone to frizz, static, and flyaways. It may also lead to hair grayness if left untreated. Identifying the causes of brittle hair and correcting them can help.

  1. Copper Deficiency: Copper is crucial for hair strength. Copper deficiency can make hair brittle. It may also cause premature hair graying (1).
  2. Zinc Deficiency: Zinc deficiency could be associated with alopecia as it may make hair brittle (1).
  3. Over-Grooming: Excess hair styling with curlers, flat irons, blow dryers, and other styling tools can cause the hair to become weak and brittle (2). These tools use heat to change the hair structure to style the hair. The heat causes serious hair damage and leaves it dry and lifeless.
  4. Chemicals: Chemicals used in hair styling treatments, hair colorants, dyes, and certain hair products can deteriorate hair health and lead to hair attrition (2). Shampoos containing sulfates or parabens may make hair dry and brittle (as they have a pH higher than needed). Certain chemical treatments contain formaldehyde that can cause scalp inflammation and weaken hair. Hair dyes use colorants and chemicals like hydrogen peroxide and ammonium that can leave hair brittle due to their oxidizing and penetrative properties.
  5. Excess Washing: Washing your hair too much can also make it brittle. Ideally, you can wash your hair twice a week. Washing your hair too often can strip its natural sebum and leave it dry.
  6. Wet Hair: Wet hair is more porous. Pouring water over your hair can cause the hair shaft to absorb the water and swell up (2). This can leave each hair strand open to more damage, leading to brittleness.
  7. Weakened Hair: Thinning and weak hair can eventually make hair brittle. Hair weakens from exposure to daily pollution, UV rays, stress, dirt, and weather conditions (2). This constant weakening can make hair brittle and prone to breakage.
  8. Dry Scalp And Hair: Dryness in the scalp or hair can make hair stiff and brittle. Insufficient sebum or moisture can make hair dry and easily breakable.

Thinning Hair Vs. Brittle Hair: The Difference

Thinning hair and brittle hair are not the same. Thinning hair is characterized by reduced hair strand thickness and density, while brittle hair is dry, frizzy, and prone to breakage and split ends. Thinning hair can cause hair to become brittle and vice versa.

A self-diagnosis by looking into the mirror can help you understand if your hair is thinning or brittle.

  • Thinning Hair: Your hair looks flat without any volume. You would barely feel a hair strand if you hold it in between your index finger and thumb.
  • Brittle Hair: Your hair looks messy and unkempt and is paired with frizz and a rough texture. You can pluck a hair strand and stretch it at its ends. Brittle hair would break easily.

You do not have to live with brittle hair all your life. With the right treatment and preventive measures, you can restore and prolong your hair health.

Brittle Hair: Treatment And Prevention

  1. Oil Treatment: Oil protects hair from damage. It can reduce the amount of water absorbed by hair and keep the hair shaft from swelling too much. Oil also penetrates the hair shaft to nourish and fortify the hair from within (3). Some oils, like that of coconut, can reduce protein loss from hair and protect it from UV damage (4). Oils also moisturize and condition the scalp and hair.
  2. Massage: Massaging your scalp can increase hair shaft thickness and density. It also can strengthen hair (5). Massage your scalp in a firm yet gentle way, in small circular motions for about 10 minutes daily. You can also use a scalp massager for the best results.
  3. Hair Masks: Hair masks made with avocado, banana, aloe vera, coconut oil, olive oil, hibiscus, and fenugreek keep hair healthy and strong.
  4. Regular Hair Maintenance: Following a regular hair care routine can fortify your hair and keep it from getting dry. Get regular trims to prevent split ends. Opt for hair spa treatments to rejuvenate weakened hair. Be gentle when drying your hair with a towel. Use a soft cotton towel and scrunch or pat dry your hair (instead of rubbing vigorously). Remove knots and tangles gently. Use a detangler and a comb specific to your hair type.
  5. Reduce Hair Styling: Style your hair with heating tools less often. Opt for more relaxed and natural hairstyles instead of tight hairdos that pull on your hair roots (they can cause thinning and breakage).
  6. Reduce Hair Coloring: Do not color your hair very often with regular hair dyes. You can instead opt for natural hair dyes that use henna, indigo, coffee, cinnamon, or beetroot powder. Natural lightening ingredients like chamomile, green tea, and honey are better alternatives to chemical bleaching agents.
  7. Reduce Chemical Treatments: Stop going for chemical treatments that harm and damage your hair. These chemicals break the keratin bonds in your hair to change your hair structure, leaving your hair prone to damage. Instead, use natural solutions for smoothing and styling your hair.
  8. Use Mild Hair Products: Check the ingredients list before buying hair products like serums, volumizers, and shampoos. Stop using hair products with excessive chemicals or harsh ingredients. They leave your hair dry and brittle. Opt for organic products, co-washes, conditioning cleansers, and homemade serums.
  9. Deep-Conditioning Treatments: Deep conditioning treatments contain concentrated ingredients that specifically nourish and strengthen hair (2). If you have curly hair, opt for leave-in conditioners that moisturize hair and enhance your curl structure.


Brittleness can affect straight, wavy, and curly hair types. If left untreated, it might even lead to hair shedding. But worry not – with constant care and using the right hair care products, your hair can become healthy and strong with time. A regular hair care regimen can help transform your hair and keep it vibrant and strong for a long time to come.

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Articles on StyleCraze are backed by verified information from peer-reviewed and academic research papers, reputed organizations, research institutions, and medical associations to ensure accuracy and relevance. Read our editorial policy to learn more.

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