Thanks Hersute and Paul! I will definitley do more research on YouTube as well. It was actually recently recommended to me to only shampoo (existing hair) once a week to 10 days and condition every or every other day to improve the health of your hair. It is has made a difference - grows faster and looks fuller.

I do not think the knots would be noticeable after I do the wash and 'blend' (I hope!). I did pick up a root touch-up cream but I am going to try without bleaching first. The environment that I work in is pretty public and the spotlight is on me quite often. I (like everyone else) want to do my best to make it undetectable to the public / general eye. I have enough hair to do a blend with a partial, plus I have been using Toppik for over 5 years so this should work much better. My plan is to start with the partial and see how the process goes. I will certainly keep everyone informed.

All the best,
Pete