While its true to follow the moon phases to cut your hair in order to increase or improve its growth, its imperative to avoid your hair-cuts during the void-of-course moon period on those days. You could check the void-of-course period for ’09 months at the following website:
>> http://www.astroprofile.com/2009moonvoid.htm
There is another website that I came across which talks about the benefits & drawbacks of cutting hair during certain moon phases. If you liked the above site, then you might find the below one informative too.