Nina S,
I am an avid microbraid wearer and that info you were given is correct. I usually start washing my hair weekly by the 5th week. I believe the reason for this is because your braids will have loosened from new growth by this time. Therefore, it will be easier to let the shampoo get to your scalp. If you feel it is neccesary to cleanse before then I can recommend ORS latherless herbal cleanse.HTH