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Why do we test hair porosity?
Hair porosity is simply the ability for your hair to absorb and retain moisture. This is important because knowing your porosity will help you determine the best ways to maintain, style, hydrate, deep condition and take care of your hair.
What does a porosity test measure?
Porosity or void fraction is a measure of the void (i.e. “empty”) spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%.
What does porosity mean for hair?
You may have heard the term “hair porosity” and wondered what it means. Essentially, hair porosity is about your hair’s ability to absorb and retain moisture. The porosity of your hair affects how well oils and moisture pass in and out of the outermost layer of your hair, known as the cuticle.
How to determine your real hair porosity?
1) The Float Test This is the most common way of determining your hair porosity. 2) The Spray Bottle Test For this one, put most of your hair back and leave out a test sample area. Use a spray bottle to mist your hair. 3) The Slide Test
How can I test my hair porosity?
You can check porosity on dry hair by taking a strand of several hairs from four different areas of the head (front hairline, temple, crown and nape). Slide the thumb and index finger of your other hand down each hair strand from end to scalp. If it is smooth, you have normal porosity.
How can you tell your hairs porosity?
To determine your hair’s porosity levels, hold out a strand and slide your fingers from the root to the end. If the hair feels slightly bumpy, or rough you have overly porous hair. If it feels smooth, you have normal porosity.
How to determine your hair’s porosity level?
How To Determine Hair Porosity Levels The Float Test Shutterstock Put a few hair strands in a bowl of room temperature water. Ensure that your hair strands are clean and do not contain any residue. The Slip And Slide Test Slide a hair strand between your index finger and thumb, starting from the tip towards your scalp. The Spray Bottle Test Pick a hair strand and spray water on it.