Hair porosity is a term that often comes up in discussions about hair care, but what does it really mean? Let’s talk about what hair porosity is, how to determine your hair's porosity level, and how this knowledge can enhance your hair care regimen.

1. What is Hair Porosity?

Hair porosity is a crucial aspect of hair health that refers to the hair's ability to absorb and retain moisture effectively. This characteristic is primarily determined by the condition of the hair cuticle, which is the outermost layer of the hair strand. The cuticle consists of overlapping scale-like cells that can vary in their degree of openness. Depending on whether these cuticles are tightly closed, slightly open, or fully raised, hair porosity significantly influences how well your hair can absorb water, oils, and various hair care products.

 

The Three Levels of Hair Porosity

1. Low Porosity

  • Characteristics: Hair with low porosity features tightly packed cuticles that are resistant to moisture absorption. This can result in hair that feels dry or brittle, as the cuticles do not readily allow moisture to penetrate. Consequently, many products may remain on the surface rather than being absorbed into the hair shaft.
  • Signs: Individuals with low porosity hair may notice that products take a considerable amount of time to penetrate, leading to a buildup of product residue on the hair. Additionally, this type of hair often takes longer to dry due to the difficulty in moisture absorption. Regularly using heat or steam can help to open the cuticles for better product penetration.

2. Normal Porosity

  • Characteristics: Normal porosity hair exhibits cuticles that are slightly raised, allowing for a balanced and efficient absorption and retention of moisture. This type of hair typically requires standard care routines, as it can effectively benefit from a wide range of products without adverse effects.
  • Signs: Hair with normal porosity dries at a typical rate, holds styles well, and generally appears healthy and vibrant. This porosity level is often considered ideal, as it strikes a harmonious balance between moisture retention and product absorption, maximizing the effectiveness of hair care treatments.

3.  High Porosity

  • Characteristics: High porosity hair is characterized by cuticles that are either raised or damaged, which allows moisture to enter and escape with ease. While this type of hair absorbs moisture quickly, it can also lead to issues such as frizz and increased susceptibility to damage from environmental factors and styling practices.
  • Signs: Individuals with high porosity hair often find that their hair absorbs moisture rapidly but also dries out just as quickly, necessitating more frequent moisturizing to maintain hydration levels. This type of hair may require specialized products designed to seal in moisture and reduce frizz, such as heavier creams or oils that provide additional protection against moisture loss.
Thanks for contacting us. We'll get back to you as soon as possible.
Thanks for contacting us. We'll get back to you as soon as possible.

Subscribe

To join our mailing list and never miss a update!

2. how to determine your hair porosity

Understanding your hair's porosity can help you choose the right products and techniques. Below are several effective methods to assess your hair porosity, providing insight into how your hair interacts with moisture and products.

 

1. The Water Test

The Water Test is a straightforward and effective method for evaluating your hair's porosity. To conduct this test, take a clean strand of hair and submerge it in a glass of water. Observe how the hair behaves:

  • High Porosity: If the hair sinks quickly to the bottom, this indicates high porosity, suggesting that the cuticles are raised or damaged and allow moisture to enter easily.
  • Normal Porosity: If the hair floats for a while before gradually sinking, it suggests normal porosity, indicating a balanced ability to absorb moisture.
  • Low Porosity: If the hair remains on the surface of the water, it likely has low porosity, meaning the tightly packed cuticles resist moisture absorption.

This simple test provides a quick visual assessment that can guide your hair care choices.

 

2. The Slip 'n' Slide Test

The Slip 'n' Slide Test offers another method for assessing hair porosity by examining the texture and feel of your hair. Take a strand of hair and slide your fingers along the length of the shaft:

  • Low Porosity: If your fingers glide smoothly without resistance, your hair is likely low porosity, indicating tightly packed cuticles.
  • Normal Porosity: If you encounter some resistance while sliding your fingers, this suggests normal porosity, where the cuticles are slightly raised.
  • High Porosity: If the hair feels rough or catches on your fingers, it indicates high porosity, suggesting that the cuticles may be damaged or excessively raised.

This tactile test can help you understand the texture of your hair and its moisture retention capabilities.

 

3. Water Spritz Test

The Water Spritz Test is another practical method to evaluate how your hair reacts to moisture. Mist a small section of your hair with water and observe the following:

  • High Porosity: If the hair absorbs the water rapidly, this indicates high porosity.
  • Low Porosity: If the water beads on the surface and takes time to absorb, it suggests low porosity.

This test allows you to gauge your hair's immediate response to moisture, providing insights into its porosity level.

 

4. Shedding Hair Test

The Shedding Hair Test utilizes strands of hair that have naturally fallen out. After combing your hair, place the shed strands into a glass of water:

  • Low Porosity: If the hair floats, it indicates low porosity.
  • Normal Porosity: If the hair sinks slowly, it suggests normal porosity.
  • High Porosity: If the hair sinks immediately, it indicates high porosity.

This test not only assesses porosity but also highlights the condition of your hair in its natural state.

 

5. Strand Test

The Strand Test involves gently stretching small sections of hair from various parts of your head, such as the front hairline, nape, crown, and temples. Place the stretched curl between your thumb and finger and slide it from the tip toward the scalp:

  • Low Porosity: If your fingers move easily and the hair feels dense and hard, it indicates low porosity.
  • Normal Porosity: If the strand feels smooth, it suggests normal porosity.
  • High Porosity: If the hair feels rough, dry, or breaks easily, it indicates high porosity.

This comprehensive test provides valuable information about the elasticity and texture of your hair.

 

6. Float Test

The Float Test is another effective way to determine hair porosity. For this test, you will need a clear glass of water and a strand of hair. It is advisable to perform this test after washing your hair to remove product buildup:

Comb your hair to release any shedding strands.

Drop the strands into the glass of water. 

  • High Porosity: If the hair sinks immediately, you have high porosity.
  • Normal Porosity: If it remains suspended in the middle of the glass, you have normal porosity.
  • Low Porosity: If it floats, your hair is likely low porosity.

This test provides a clear visual representation of your hair's porosity level.

 


7. Cuticle Test

The Cuticle Test evaluates the condition of your hair cuticles. Take a strand of hair and gently brush against it in the reverse direction to assess its texture:

  • High Porosity: If you feel significant bumpiness along the strand, this indicates high porosity due to raised or damaged cuticles.
  • Low Porosity: A smooth feel suggests low porosity, where the cuticles are tightly packed and less prone to damage.

This test is particularly useful for understanding the health of your cuticles and how they affect moisture retention.

3. common problems faced by different hair porosity

Different porosity levels—low, normal, and high—present unique issues that can affect hair health, styling, and overall appearance. Below, we explore the common problems encountered by each porosity category, along with insights on how to mitigate these challenges.

 

1. Low Porosity
  • Moisture Retention Issues: Low porosity hair often struggles to absorb moisture effectively, leading to dryness and brittleness. This can make it difficult to achieve and maintain healthy, hydrated hair.
  • Product Buildup: Since products tend to sit on the surface rather than being absorbed, this can lead to buildup over time. Residue can weigh down the hair, making it appear dull and lifeless.
  • Difficulty in Styling: Low porosity hair may be challenging to style, as it often doesn’t hold styles well due to its inability to absorb moisture and products adequately. This can result in a lack of curl definition or style longevity.

2. Normal Porosity
  • Inconsistent Results: While normal porosity hair generally performs well with a variety of products, it can sometimes react inconsistently to specific treatments or changes in climate.
  • Maintenance Needs: Although normal porosity hair requires less specialized care, it can still be prone to damage if not properly maintained. Overuse of styling tools or harsh chemicals can lead to increased porosity over time.

3. High Porosity
  • Moisture Loss: While high porosity hair absorbs moisture quickly, it also loses it just as fast, leading to dryness and frizz. This can create a cycle of constant moisturizing that is difficult to manage.
  • Frizz and Damage: The open cuticle structure can result in frizz and increased susceptibility to environmental damage. This hair type is often more prone to breakage and split ends.
  • Difficulty in Retaining Styles: High porosity hair may struggle to hold styles, as the cuticles allow for moisture loss, leading to a lack of definition in curls and waves.

4. tailoring your hair care routine

Once you have identified your hair's porosity level and the challenges they face, you can effectively adjust your hair care routine to address its specific needs. Each porosity level requires unique strategies to enhance moisture retention, manageability, and overall health.


For Low Porosity Hair:
  • Use Lightweight Products: Products with lighter formulations, such as glycerin-based moisturizers or water-based sprays, are ideal for low porosity hair. These products can penetrate the tightly packed cuticles more effectively than heavier creams. Formulations that contain humectants can attract moisture without overwhelming the hair.
  • Apply Products on Damp Hair: Applying products to damp hair is crucial because it facilitates the slight opening of the cuticle, allowing for improved absorption. This method maximizes the efficacy of your chosen products, ensuring that moisture is not only applied but also effectively absorbed.
  • Incorporate Heat: Utilizing heat can significantly enhance product penetration. Heat caps, warm towels, or even a simple hooded dryer can create a conducive environment for moisture absorption. The warmth helps to expand the cuticle slightly, allowing beneficial ingredients to enter the hair shaft more easily. Additionally, consider using a steamer during deep conditioning treatments to further enhance moisture infusion.
  • Avoid Heavy Oils: While oils are essential for sealing in moisture, opt for lighter oils like argan, jojoba, or grapeseed oil. These oils can penetrate the hair more effectively without creating a heavy layer that leads to buildup.


For Normal Porosity Hair:
  • Versatile Products: Normal porosity hair generally responds well to a broad spectrum of products, but selecting those that offer a balanced combination of moisture and protein is essential. Look for conditioners and styling products that contain both hydrating ingredients and protein to maintain the structural integrity of the hair.
  • Regular Conditioning: Maintain a consistent conditioning routine to support healthy hair. However, be mindful of the frequency and type of conditioning treatments used. Over-conditioning can lead to excess moisture, which may weaken the hair shaft and cause it to become limp. Consider alternating between moisturizing and protein treatments to maintain an optimal balance.
  • Adapting to Environmental Changes: Normal porosity hair may require adjustments based on environmental factors such as humidity or temperature. Pay attention to how your hair reacts to changes in weather and adjust your product choices accordingly. For instance, during humid months, you may need products that provide frizz control, while drier months may necessitate richer moisturizers.
  • Periodic Clarification: To prevent product buildup, incorporate a clarifying shampoo into your routine every few weeks. This will help remove residue from styling products and provide a fresh slate for your hair care regimen.


For High Porosity Hair:
  • Use Rich Moisturizers: High porosity hair benefits from heavy creams and oils that can provide a protective layer and seal in moisture. Look for products that contain ingredients such as shea butter, coconut oil, or castor oil, which are known for their moisturizing properties. These rich formulations help to combat moisture loss and keep the hair hydrated.
  • Protein Treatments: Regularly incorporating protein treatments can help reinforce the hair structure, making it more resilient against damage. Look for treatments that contain hydrolysed proteins, which can penetrate the hair shaft effectively. However, balance is key; too much protein can lead to stiffness, so it's essential to monitor how your hair responds.
  • Avoid Heat Styling: Excessive heat can exacerbate the challenges faced by high porosity hair, leading to further damage and dryness. Minimize the use of heat styling tools, and when necessary, use heat protectants to shield the hair. Embrace heat-free styling methods, such as braiding or twisting, to achieve desired looks without compromising hair health.
  • Seal with a Moisture Lock: After moisturizing, seal in hydration with an occlusive oil or cream. This step is vital for high porosity hair, as it helps to lock in moisture and prevent it from escaping. Products that contain silicones can be particularly effective in creating a barrier against moisture loss.

By tailoring your hair care routine to suit your specific porosity level—whether low, normal, or high—you can ensure that your hair receives the appropriate moisture and care it requires. With a customized approach to hair care, you can enhance your hair's health, resilience, and beauty, ensuring it remains a source of confidence and pride.

references
  1. Carol’s Daughter. “Your Guide to Types of Hair Porosity and Taking a Hair Porosity Test”, Jan. 2023, https://www.carolsdaughter.com/blog/hair/hair-care-tips/hair-porosity-low-and-high.html?srsltid=AfmBOopqm4w1t_RrKGHb_Qkfl0vqi_kM4Y0yONiM_7wZiMzCg6dKmlwI
  2. Gordon, Sherri. “What To Know about Hair Porosity”, Nov. 2024, https://www.health.com/hair-porosity-8735841
  3. Pantene. “Everything You Should Know about Hair Porosity”, https://www.pantene.com.au/en-au/brandexperience/everything-you-should-know-about-hair-porosity
  4. Higuera, Valencia. “What Type of Hair Porosity Do You Have?”, Aug. 2019, https://www.healthline.com/health/hair-porosity
  5. Clever Curl. “HOW TO DETERMINE HAIR POROSITY AND WHAT IT MEANS FOR YOUR HAIR”, Jul. 2020, https://www.clevercurl.com.au/how-to-determine-hair-porosity-and-what-it-means-for-your-hair/
  6. Simply Organic. “Hair Porosity 101: Types, Tests, and Treatments”, 2022, https://www.simplyorganicbeauty.com/hair-porosity-types-tests-and-treatments/
  7. Viola, Sharley. “How to Identify Your Hair Porosity”, 2025, https://ca.curlsmith.com/blogs/curl-academy/hair-porosity-guide
  8. Glow by Daye. “How to Know Your Hair's Porosity and Why It's Important”, Aug. 2019, https://www.glowbydaye.com/blogs/glow-by-daye/how-to-know-your-hairs-porosity-and-why-its-important
  9. Lambert, Bianca. “How to Determine Your Hair Porosity, According to Pros”, Apr. 2024, https://www.byrdie.com/hair-porosity-test-5070329
  10. Dr. Palmer, Jonathan. “Introduction to High Porosity Hair”, Jul. 2023, https://www.hairknowhow.com/high-porosity-hair
  11. Dr. Deshpande, Sharmishtha. “Your Complete Guide to Hair Porosity!”, Sept. 2019, https://www.richfeel.com/complete-guide-hair-porosity/
  12. Pantent. “Wondering what hair porosity is? Let’s help you understand!”, 2025, https://www.pantene.in/en-in/hair-fall-problems-and-hair-care-solutions/hair-porosity-and-how-to-avoid-porous-hair/
  13. Andavolgyi, Reece. “What Is a Hair Cuticle and Why You Need to Seal It”, Oct. 2023, https://www.lorealparisusa.com/beauty-magazine/hair-care/damaged-hair/what-is-hair-cuticle
  14. Carol’s Daughter. “Your Guide to Types of Hair Porosity and Taking a Hair Porosity Test”, Jan. 2023, https://www.carolsdaughter.com/blog/hair/hair-care-tips/hair-porosity-low-and-high.html?srsltid=AfmBOorPBpnVIvGRPTkKDkN-61w0APO91fNMAPofDVRqL49U31t4GJwA
  15. MD Chiswo, Ruvimbo. “Hair shaft”, Mar. 2024, https://www.kenhub.com/en/library/anatomy/hair-shaft
  16. MD Gardner, Stephanie. “What to Know About High Porosity Hair”, Sept. 2024, https://www.webmd.com/beauty/what-to-know-about-high-porosity-hair
  17. Viola, Sharley. “How to Identify Your Hair Porosity”, 2025, https://ca.curlsmith.com/blogs/curl-academy/hair-porosity-guide#:~:text=The%20first%20is%20the%20glass,then%20it%20is%20high%20porosity.
  18. Solonory. “Understanding the Hair Cuticle: A Stylist’s Guide”, Jun. 2024, https://studio.salonory.com/education/understanding-the-hair-cuticle/
  19. Revlon. “Hair Porosity Test: How It Works and What It Means for Your Hair”, Jun. 2024, https://www.revlonprofessional.com/blog/hair-porosity-test/#:~:text=The%20Spray%20Bottle%20Test,likely%20to%20have%20high%20porosity.
  20. Li, Xiangqian. Et al., “Hair Porosity: The Float Test Part Two”, Feb. 2015, https://science-yhairblog.blogspot.com/2015/02/hair-porosity-float-test.html
  21. TheOrganiBrands. “How to Overcome the Challenges of Medium Porosity Hair: Tips for Healthy Locks”, Jan. 2025, https://theorganibrands.com/blogs/news/how-to-overcome-the-challenges-of-medium-porosity-hair-tips-for-healthy-locks?srsltid=AfmBOor0GRkAXvoFjI3wjdF3xweMw344xbc1ecGfQmUkfj_FzMlkMwZG
  22. Duggan, Caitlin. “Glycerin for Hair: Benefits and How to Use It”, Jun. 2024, https://byrdie.com/glycerin-for-hair-5089999
  23. Bailey, Diana. “Understanding How Hooded Dryers Work”, Aug. 2022, https://keller4salon.com/blogs/keller-international-blog/understanding-how-hooded-hair-dryers-work
  24. Cherney, Kristeen. “What Is Clarifying Shampoo?”, Mar. 2019, https://www.healthline.com/health/beauty-skin-care/clarifying-shampoo
  25. USDA. “What is hydrolyzed protein?”, Jan. 2025. https://ask.usda.gov/s/article/What-is-hydrolyzed-protein
  26. West, Mary. “What are humectants, and what do they do?”, Mar. 2022, https://www.medicalnewstoday.com/articles/humectant
  27. Dr. Nikolic, Olivera. “Best 5 protein treatments for healthier and stronger hair”, Dec. 2023, https://www.medcare.ae/en/health-library/best-5-protein-treatments-for-healthier-and-stronger-hairs.html#topic-main

Previous

Next