Porosity
How your hair drinks moisture
Porosity is the secret most curlies miss. It controls which products actually work — and which leave your hair feeling dry, greasy, or coated.
Low Porosity
Tight cuticle, water beads on top.
Low-porosity hair has tightly bound cuticles that resist letting moisture in — and out. Products tend to sit on top of the strand. The goal is gentle heat, humectants, and lightwei…
Read the full guideMedium Porosity
Balanced cuticle, easiest to manage.
Medium-porosity hair has a slightly raised cuticle that lets moisture in and out at a balanced rate. It holds styles well, takes color easily, and responds to most products.…
Read the full guideHigh Porosity
Open cuticle, drinks moisture and loses it fast.
High-porosity hair has gaps in the cuticle (genetic or from damage). It absorbs water and product quickly but loses moisture just as fast, leading to dryness and frizz. The goal is…
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