Porosity test

To test your hair porosity, the most common method is to perform a "float test" by taking a clean, product-free strand of hair and dropping it into a glass of water: if it floats at the top, you have low porosity hair; if it sinks quickly, you have high porosity hair; and if it stays somewhere in the middle, you have medium porosity hair.

Key points about the hair porosity test:

• Clean hair: Always ensure your hair is clean and free of products before testing to get accurate results.

• Observe the strand: Watch how quickly the hair strand sinks or floats in the water.