Hey everyone! I just wanted to share something very important. I will begin with my experience: Early 2009, my hair was growing quite quickly. My hair was very thick as well. Fast forward towards the middle of last year 2010. My hair seemed to "stop" growing. I know, I know. Hair always grows and it's the retention that is most often the case. But I was also noticing that my hair appeared and felt thinner. Then, earlier this year, 2011, I was 1000% sure my hair was thinner and I had little to no hair growth whatsoever. I had not been eating that healthy nor spending enough time in the sun. I was also suffering heart palpitations. I went to the doctors so so they check my heart and my blood. The results showed that I had very low Vitamin D. "Normal" levels for Vitamin D are around 40-45. My level was around 16. Low Vitamin D levels often cause heart palpitations as well. I was then prescribed special Vitamin D supplement pills a couple months later. This pill is the kind where you need a prescription, they are not "just on the shelf" vitamins. I am telling you all, after two and 1/2 weeks of taking this medication, my hair growth skyrocketed. I think my hair grew 1/2 inch during that time period. My hair growth is much thicker now! My heart palpitations also disappeared! Vitamin D is called the "miracle" pill and research is being done to see whether Vitamin D can cure certain types of diseases and cancer. As black women, living in cold regions of North America, makes us to be prone to lower vitamin D levels due to our melanin. Vitamin D is instrumental in proper division of cells: the hair follicle being one of the most cell dividing entities on our bodies. Please, if you notice if your hair seems to be getting thinner AND you are not retaining as much length as before even if you are doing everything properly, check your system internally. Check for Vitamin D along with other important minerals and vitamins that your body may be lacking! Perhaps low Vitamin D levels are the culprit and NOT your hair practices!