I did a Henna for the first time a couple of days ago and have one in my hair now. I definitely noticed a loosening of the curl pattern. I think how noticeable it is may be based on your hair type. I have read that some people see more noticeable results after several applications.
BC 5/17/2010, 3C/4A Porous hair, Current staples: Garnier conditioners, Coconut & Grapesead Oil, Ecostler gel, Shea Butter mix, Elasta QP mango butter, Loreal sulfate free shampoo, Aphogee protein treatment, Henna & Ayurvedic Herb Treatments