High porosity hair is hair that doesnt resist water or moisture but it dries out easily. Low porosity hair resists water, products and moistue. It takes long to get fully drenched. Tips for maintenance- All hair types. High Porosity hair- Liquid, Oil then Cream (LOC) Low Porosity hair- Liquid, Cream then Oil (LCO) Liquid- Water Cream- Ayurvedic Butter Oil-Ayurvedic Oil DM to order