What Is Hair Porosity?

Hair porosity refers to how easily your hair absorbs and retains moisture.

Knowing your porosity can help you choose better products, improve moisture retention, and reduce dryness or buildup.

Learn More About Hair Porosity →

Test #1: The Spray Bottle Test

Instructions

1. Start with clean hair.
2. Choose a small section of hair.
3. Spray water onto the section.
4. Watch what happens.

Results

Water beads up and sits on the hair: Likely Low Porosity

Water absorbs gradually: Likely Medium Porosity

Water absorbs almost immediately: Likely High Porosity

Test #2: The Drying Time Test

After Washing Your Hair

• If your hair takes many hours to dry → Often Low Porosity
• If your hair dries at a normal rate → Often Medium Porosity
• If your hair dries very quickly → Often High Porosity

Test #3: Product Absorption Test

Think about how your hair reacts when you apply products.

• Products sit on top → Low Porosity
• Products absorb normally → Medium Porosity
• Products disappear immediately → High Porosity

Quick Porosity Quiz

Answer the questions below:

1. How does water behave on your hair?

• A. Sits on top
• B. Absorbs gradually
• C. Absorbs instantly

2. How quickly does your hair dry?

• A. Very slowly
• B. Normal speed
• C. Very quickly

3. How do products behave?

• A. Sit on top
• B. Absorb normally
• C. Absorb immediately

Your Results

Mostly A’s = Low Porosity Hair

Mostly B’s = Medium Porosity Hair

Mostly C’s = High Porosity Hair

Build The Perfect Hair Routine

Now that you know your porosity, create a routine designed for your hair.

Build My Routine

Related Articles

• Hair Porosity Guide
• Low Porosity Hair
• Medium Porosity Hair
• High Porosity Hair
• Understanding Hair Porosity