Understanding hair porosity

why it matters and how to choose the right products

Hair porosity is a crucial factor that affects your hair's health, its ability to absorb moisture and products, and ultimately, how well it holds your favorite styles. Understanding your hair porosity can help you make informed decisions about hair care products that will keep your hair looking vibrant and healthy.

What is Hair Porosity?

Hair porosity refers to your hair's ability to absorb and retain moisture. It is determined by the condition of the outer layer of the hair, known as the cuticle, which can be tightly or loosely arranged. There are three main types of hair porosity:

  1. Low Porosity

    • Characteristics: Cuticles are tightly packed, making it difficult for moisture and products to penetrate.

    • Indications: Hair takes longer to dry and may feel heavy or weighed down.

  2. Medium Porosity (also known as normal porosity)

    • Characteristics: Cuticles are slightly raised, allowing for a good balance of moisture absorption and retention.

    • Indications: Hair holds styles well and maintains health with minimal effort.

  3. High Porosity

    • Characteristics: Cuticles are raised or damaged, allowing moisture to enter quickly but also leading to rapid loss of hydration.

    • Indications: Hair may feel dry, frizzy, and may require frequent moisturizing.

CurlSmith texture porosity chart detailing differences between high medium and low porosity hair strands

Why Does Hair Porosity Matter?

Understanding your hair porosity is essential for several reasons:

  • Product Selection: Choosing the right products based on your porosity can enhance moisture retention and overall hair health.

  • Styling Techniques: Certain styles and techniques work better with specific porosities; knowing your type helps you optimize your styling routine.

  • Treatment Plans: Customized treatments can be established for your unique porosity needs to maintain your hair’s health and aesthetic appeal.

Choosing Products Based on Your Hair Porosity

1. Low Porosity Hair:

  • What to Use: Lightweight products that won’t weigh your hair down. Look for water-based moisturizers and light oils like jojoba or argan oil.

  • Avoid: Heavy creams and butters that may sit on the hair without penetrating.

  • Recommended Products: Look for leave-in conditioners, spray moisturizers, and clear gels.

For example, on a client with low porosity hair, I would opt for a lightweight leave-in like Redken One United or Mizani Miracle Milk




2. Medium Porosity Hair:

  • What to Use: A balanced combination of both lightweight and richer products. Creams and oils that provide moisture without heaviness work best.

  • Recommended Products: Hydrating shampoos, conditioners, and styling creams.

For example, on a client with medium porosity, I may use a richer, heavier deep conditioner like the Olaplex Rich Mask but a lightweight leave in like Redken One United.

3. High Porosity Hair:

  • What to Use: Rich moisturizing products that can deeply hydrate and repair. Look for heavier oils, butters, and deep conditioners.

  • Avoid: Products with high alcohol content that can further dry out your hair.

  • Recommended Products: Leave-in conditioners, deep conditioning masks, and heavier styling gels.

For example, on clients with high porosity hair, I generally opt for heavier leave in products like the Mizani Miracle Cream.

How to Determine Your Hair Porosity

To find out your hair porosity, you can perform a simple water test:

  1. The Float Test: Take a clean strand of hair and place it in a glass of water. If it sinks quickly, you likely have high porosity. If it floats for a while and then sinks, you have medium porosity. If it remains floating, you have low porosity.

Final Thoughts

Understanding hair porosity is key to unlocking your hair's full potential. By choosing the right products suited to your porosity type, you can maintain healthy, hydrated, and vibrant hair.

Remember that hair porosity is a great place to start when looking for the perfect hair care products for your routine! Moisture retention is key to maintaining any good hairstyle or color. Come see me soon and lets asses your hair type and get you stepping in the right direction!

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