Low Porosity is very healthy hair that only accepts moisture when applied with warm water, has very little to no heat/chemical damage and low use of mechanical manipulation    Low Porosity curls is a closed hair cuticle that's tightly bonded,...

Medium Porosity is healthy hair that easily retains moisture easily, has very little to no chemical/heat damage and low use of mechanical manipulation        Medium Porosity is between low and high porosity. The golden porosity.  Hair cuticles...

High Porosity curls are prone to dry/frizziness, has chemical/heat damage and/or applies excessive mechanical manipulation    High Porosity curly hair cuticles are raised so much that it creates holes and gaps along the hair shaft, allowing too...