Does the Hair Porosity Float Test Work?

Curl Science by Curl Centric · Sep 27, 2026 · 6m

Researched and written by Curl Centric. Read by an AI voice. Sources are listed below.

A strand in a glass of water can't tell you your porosity. We explain why, and what your wash day can tell you instead.

The full guide, with every source: https://www.curlcentric.com/hair-porosity/