I am currently 3 weeks post and starting to feel lots of new growth. My biggest challenge is trying to get past the typical 8 week relaxer schedule. This is truly an improvement over my every six week fall/winter schedule and every four week summer relaxer schedule. It's a wonder that I have any hair on my head!! I find that my breakage increases after 8 weeks. I am determined to try it this fall/winter, just need to find something to deal with this type 4 dense new growth (but fine strand hair) that does not result in a setback.