Your complete roadmap on how to care for high porosity hair starts here. Explore weekly routines, product recommendations, and the science behind moisture retention for Vietnamese hair and natural textures that absorb water quickly but lose it just as fast. Understanding the "Open Gate" Policy of Your Hair To care for your hair, you first need to know what’s happening at a microscopic level.  Hair porosity  refers to your hair's ability to absorb and retain moisture. In  high